Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	24.70	24.80	24.50	24.54	2,007,680	-0.16(-0.63%)
Jul 30, 2012	24.63	24.86	24.56	24.69	1,737,195	+0.00(+0.00%)
Jul 27, 2012	24.40	24.78	24.38	24.69	3,302,807	+0.41(+1.69%)
Jul 26, 2012	23.98	24.31	23.98	24.28	2,180,690	+0.56(+2.37%)
Jul 25, 2012	24.07	24.12	23.60	23.72	2,695,754	-0.24(-1.02%)
Jul 24, 2012	24.16	24.18	23.83	23.97	2,269,149	-0.23(-0.95%)
Jul 23, 2012	24.21	24.36	24.11	24.20	3,007,585	-0.44(-1.78%)
Jul 20, 2012	24.46	24.69	24.46	24.64	2,517,143	+0.09(+0.37%)
Jul 19, 2012	24.44	24.60	24.34	24.54	2,346,283	+0.06(+0.24%)
Jul 18, 2012	24.22	24.49	24.10	24.49	2,649,270	+0.26(+1.08%)
Jul 17, 2012	23.98	24.26	23.96	24.22	2,274,871	+0.30(+1.24%)
Jul 16, 2012	24.06	24.11	23.88	23.93	4,059,171	-0.13(-0.54%)
Jul 13, 2012	23.91	24.06	23.87	24.06	2,880,311	+0.22(+0.91%)
Jul 12, 2012	23.77	23.90	23.73	23.84	3,457,900	-0.02(-0.07%)
Jul 11, 2012	23.77	23.90	23.64	23.86	3,189,272	+0.13(+0.53%)
Jul 10, 2012	23.92	23.98	23.69	23.73	2,556,234	-0.14(-0.57%)
Jul 09, 2012	23.83	23.96	23.76	23.87	2,054,329	-0.08(-0.32%)
Jul 06, 2012	23.83	23.99	23.75	23.95	2,263,301	-0.02(-0.10%)
Jul 05, 2012	24.10	24.10	23.97	23.97	2,618,179	-0.18(-0.74%)
Jul 03, 2012	24.16	24.19	24.07	24.15	1,569,672	-0.04(-0.16%)
Jul 02, 2012	24.08	24.22	23.92	24.19	2,323,221	+0.18(+0.75%)
Jun 29, 2012	23.98	24.13	23.80	24.00	2,756,816	+0.24(+1.01%)
Jun 28, 2012	23.60	23.81	23.45	23.76	2,133,198	+0.08(+0.32%)
Jun 27, 2012	23.39	23.82	23.39	23.69	2,766,799	+0.09(+0.38%)
Jun 26, 2012	23.29	23.68	23.25	23.60	3,745,194	+0.38(+1.65%)
Jun 25, 2012	23.07	23.29	22.98	23.21	2,879,924	+0.00(+0.02%)
Jun 22, 2012	23.52	23.54	23.19	23.21	4,746,945	-0.23(-0.97%)
Jun 21, 2012	23.73	23.86	23.41	23.44	4,325,306	-0.23(-0.96%)
Jun 20, 2012	23.86	23.90	23.57	23.67	4,997,127	-0.26(-1.07%)
Jun 19, 2012	23.78	23.99	23.70	23.92	4,430,428	+0.18(+0.77%)
Jun 18, 2012	23.40	23.75	23.34	23.74	2,984,645	+0.30(+1.30%)
Jun 15, 2012	23.49	23.49	23.24	23.43	3,582,230	+0.12(+0.53%)
Jun 14, 2012	23.14	23.38	23.14	23.31	3,415,507	+0.15(+0.64%)
Jun 13, 2012	23.06	23.29	22.99	23.16	2,660,129	+0.04(+0.16%)
Jun 12, 2012	23.00	23.13	22.83	23.12	2,672,912	+0.15(+0.65%)
Jun 11, 2012	23.13	23.19	22.95	22.98	2,436,511	-0.07(-0.31%)
Jun 08, 2012	22.77	23.05	22.75	23.05	2,342,212	+0.19(+0.83%)
Jun 07, 2012	22.78	22.96	22.73	22.86	4,933,413	+0.28(+1.24%)
Jun 06, 2012	22.23	22.59	22.18	22.58	3,296,308	+0.45(+2.01%)
Jun 05, 2012	22.12	22.36	21.86	22.13	4,832,735	-0.09(-0.40%)
Jun 04, 2012	22.16	22.25	22.04	22.22	3,049,763	+0.09(+0.42%)
Jun 01, 2012	22.14	22.39	22.05	22.13	4,167,825	-0.32(-1.45%)
May 31, 2012	22.27	22.60	22.23	22.45	3,537,474	+0.16(+0.71%)
May 30, 2012	22.23	22.54	22.23	22.29	4,280,866	-0.06(-0.28%)
May 29, 2012	22.30	22.36	22.21	22.36	2,024,899	+0.13(+0.59%)
May 25, 2012	21.89	22.25	21.89	22.23	2,526,184	+0.10(+0.47%)
May 24, 2012	21.96	22.30	21.92	22.12	4,140,086	+0.22(+0.99%)
May 23, 2012	22.05	22.12	21.77	21.90	3,733,109	-0.21(-0.94%)
May 22, 2012	22.15	22.22	22.05	22.11	2,656,542	-0.01(-0.03%)
May 21, 2012	22.05	22.12	21.89	22.12	2,163,922	+0.21(+0.95%)
May 18, 2012	22.09	22.19	21.86	21.91	2,867,614	-0.10(-0.44%)
May 17, 2012	22.11	22.16	22.00	22.01	3,764,022	-0.07(-0.31%)
May 16, 2012	22.22	22.25	22.02	22.08	3,028,992	-0.11(-0.51%)
May 15, 2012	22.35	22.35	22.09	22.19	5,034,849	-0.17(-0.76%)
May 14, 2012	22.25	22.49	22.16	22.36	2,918,516	-0.05(-0.23%)
May 11, 2012	22.35	22.50	22.35	22.41	3,766,312	-0.03(-0.12%)
May 10, 2012	22.28	22.53	22.21	22.44	4,917,080	+0.27(+1.22%)
May 09, 2012	22.19	22.35	22.09	22.17	5,673,802	-0.19(-0.85%)
May 08, 2012	22.27	22.42	22.23	22.36	5,932,074	-0.10(-0.46%)
May 07, 2012	22.39	22.50	22.35	22.46	3,635,610	+0.04(+0.19%)
May 04, 2012	22.40	22.62	22.37	22.42	4,905,879	+0.16(+0.73%)
May 03, 2012	22.18	22.58	22.18	22.26	5,735,828	+0.20(+0.89%)
May 02, 2012	22.41	22.42	21.93	22.06	7,075,407	-0.41(-1.81%)
May 01, 2012	22.33	22.56	22.22	22.47	3,328,252	+0.11(+0.49%)
Apr 30, 2012	22.30	22.40	22.24	22.36	2,694,357	-0.02(-0.09%)
Apr 27, 2012	22.17	22.42	22.13	22.38	3,776,382	+0.31(+1.39%)
Apr 26, 2012	22.14	22.14	21.87	22.07	5,604,660	-0.07(-0.33%)
Apr 25, 2012	22.24	22.24	22.08	22.15	5,034,189	+0.01(+0.05%)
Apr 24, 2012	21.98	22.15	21.91	22.14	5,263,592	+0.22(+0.99%)
Apr 23, 2012	22.05	22.12	21.85	21.92	4,876,737	-0.36(-1.63%)
Apr 20, 2012	21.98	22.34	21.93	22.28	4,954,149	+0.35(+1.57%)
Apr 19, 2012	21.89	21.95	21.72	21.94	5,670,293	+0.02(+0.09%)
Apr 18, 2012	22.03	22.09	21.91	21.91	3,086,177	-0.20(-0.91%)
Apr 17, 2012	21.92	22.18	21.92	22.12	5,078,047	+0.29(+1.35%)
Apr 16, 2012	21.71	21.97	21.62	21.82	4,448,359	+0.27(+1.27%)
Apr 13, 2012	21.62	21.78	21.54	21.55	6,228,346	-0.17(-0.80%)
Apr 12, 2012	21.65	21.80	21.50	21.72	6,362,624	+0.07(+0.34%)
Apr 11, 2012	21.54	21.67	21.47	21.65	5,751,072	+0.23(+1.10%)
Apr 10, 2012	21.47	21.52	21.30	21.41	8,089,844	-0.10(-0.47%)
Apr 09, 2012	21.41	21.59	21.32	21.51	4,670,410	-0.05(-0.22%)
Apr 05, 2012	21.38	21.58	21.32	21.56	4,312,263	+0.09(+0.43%)
Apr 04, 2012	21.33	21.52	20.92	21.47	8,385,355	-0.04(-0.19%)
Apr 03, 2012	21.55	21.58	21.19	21.51	11,693,529	+0.39(+1.86%)
Apr 02, 2012	20.80	21.21	20.74	21.12	7,020,011	+0.41(+1.97%)
Mar 30, 2012	20.57	20.85	20.50	20.71	5,323,466	+0.25(+1.20%)
Mar 29, 2012	20.09	20.52	19.99	20.46	7,041,584	+0.31(+1.53%)
Mar 28, 2012	20.40	20.43	20.04	20.16	3,883,001	-0.24(-1.17%)
Mar 27, 2012	20.30	20.47	20.25	20.40	4,305,995	+0.15(+0.73%)
Mar 26, 2012	20.24	20.32	20.12	20.25	3,270,520	+0.17(+0.84%)
Mar 23, 2012	20.15	20.17	20.03	20.08	4,299,269	-0.06(-0.29%)
Mar 22, 2012	20.11	20.18	20.02	20.14	3,955,080	+0.02(+0.09%)
Mar 21, 2012	20.09	20.17	20.02	20.12	3,613,344	+0.05(+0.26%)
Mar 20, 2012	19.83	20.15	19.78	20.07	4,032,966	+0.17(+0.88%)
Mar 19, 2012	20.03	20.15	19.88	19.89	4,821,196	-0.18(-0.89%)
Mar 16, 2012	20.22	20.27	20.05	20.07	4,488,502	-0.15(-0.76%)
Mar 15, 2012	20.21	20.29	20.05	20.22	3,230,938	+0.03(+0.14%)
Mar 14, 2012	20.43	20.49	20.19	20.20	4,079,765	-0.30(-1.45%)
Mar 13, 2012	20.45	20.54	20.36	20.49	3,962,342	+0.10(+0.49%)
Mar 12, 2012	20.23	20.45	20.23	20.40	11,588,847	+0.17(+0.83%)
Mar 09, 2012	20.06	20.24	19.96	20.23	10,646,302	+0.25(+1.23%)
Mar 08, 2012	20.03	20.07	19.90	19.98	11,082,715	+0.05(+0.27%)
Mar 07, 2012	19.92	19.97	19.75	19.93	3,275,292	-0.01(-0.05%)
Mar 06, 2012	20.01	20.10	19.86	19.94	3,459,951	-0.20(-0.98%)
Mar 05, 2012	20.06	20.17	19.95	20.14	3,765,906	+0.00(+0.02%)
Mar 02, 2012	20.29	20.29	20.09	20.13	3,523,183	-0.14(-0.69%)
Mar 01, 2012	20.24	20.38	20.06	20.27	6,070,900	+0.02(+0.10%)
Feb 29, 2012	20.25	20.42	20.00	20.25	8,502,678	+0.29(+1.47%)
Feb 28, 2012	19.89	20.17	19.65	19.96	6,615,217	+0.16(+0.83%)
Feb 27, 2012	19.77	19.98	19.74	19.79	2,971,545	-0.05(-0.24%)
Feb 24, 2012	19.72	19.87	19.62	19.84	2,932,843	+0.13(+0.64%)
Feb 23, 2012	19.86	19.89	19.55	19.72	5,335,398	-0.21(-1.03%)
Feb 22, 2012	19.92	20.04	19.83	19.92	2,745,785	+0.01(+0.05%)
Feb 21, 2012	20.02	20.02	19.84	19.91	3,124,166	-0.03(-0.14%)
Feb 17, 2012	19.94	20.04	19.85	19.94	2,996,879	+0.12(+0.62%)
Feb 16, 2012	19.70	19.90	19.66	19.81	3,409,317	+0.17(+0.89%)
Feb 15, 2012	19.64	19.85	19.58	19.64	3,911,869	-0.01(-0.07%)
Feb 14, 2012	19.60	19.68	19.52	19.65	3,912,203	-0.01(-0.05%)
Feb 13, 2012	19.77	19.88	19.65	19.66	2,521,560	+0.01(+0.03%)
Feb 10, 2012	19.79	19.82	19.61	19.66	3,609,652	-0.23(-1.15%)
Feb 09, 2012	19.97	19.97	19.81	19.89	2,995,604	-0.05(-0.24%)
Feb 08, 2012	19.95	20.02	19.77	19.93	4,118,669	-0.01(-0.05%)
Feb 07, 2012	19.71	20.07	19.66	19.94	4,065,566	+0.30(+1.53%)
Feb 06, 2012	19.87	19.87	19.57	19.64	3,168,531	-0.29(-1.44%)
Feb 03, 2012	19.84	19.94	19.73	19.93	3,640,638	+0.24(+1.20%)
Feb 02, 2012	19.80	19.88	19.62	19.70	3,047,215	-0.06(-0.33%)
Feb 01, 2012	19.59	19.85	19.53	19.76	3,599,578	+0.31(+1.58%)
Jan 31, 2012	19.58	19.71	19.35	19.45	3,707,003	-0.02(-0.12%)
Jan 30, 2012	19.63	19.65	19.43	19.48	3,280,206	-0.24(-1.21%)
Jan 27, 2012	19.86	19.88	19.58	19.72	3,767,056	-0.17(-0.88%)
Jan 26, 2012	19.66	19.97	19.58	19.89	4,886,923	+0.34(+1.73%)
Jan 25, 2012	19.13	19.58	19.05	19.55	3,269,631	+0.33(+1.73%)
Jan 24, 2012	19.19	19.23	19.07	19.22	3,715,073	+0.00(+0.00%)
Jan 23, 2012	19.20	19.35	19.13	19.22	4,392,176	-0.03(-0.14%)
Jan 20, 2012	19.04	19.28	19.01	19.25	4,529,782	+0.23(+1.19%)
Jan 19, 2012	19.04	19.04	18.84	19.02	2,868,958	+0.03(+0.18%)
Jan 18, 2012	19.14	19.19	18.93	18.99	3,102,306	-0.13(-0.68%)
Jan 17, 2012	19.14	19.32	19.09	19.12	3,390,485	+0.17(+0.90%)
Jan 13, 2012	18.87	18.96	18.77	18.95	3,038,135	-0.03(-0.18%)
Jan 12, 2012	18.98	19.09	18.85	18.98	2,562,822	+0.00(+0.02%)
Jan 11, 2012	19.14	19.16	18.95	18.98	3,128,419	-0.18(-0.96%)
Jan 10, 2012	19.20	19.27	19.06	19.16	4,121,257	+0.06(+0.30%)
Jan 09, 2012	19.11	19.17	19.01	19.10	3,153,469	+0.01(+0.05%)
Jan 06, 2012	18.98	19.14	18.84	19.09	4,489,991	+0.11(+0.56%)
Jan 05, 2012	18.80	19.08	18.74	18.99	4,495,289	+0.09(+0.49%)
Jan 04, 2012	18.75	18.96	18.74	18.89	4,549,198	+0.09(+0.49%)
Dec 30, 2011	18.95	19.00	18.79	18.80	2,377,431	-0.12(-0.61%)
Dec 29, 2011	18.69	18.93	18.68	18.92	2,202,445	+0.30(+1.60%)
Dec 28, 2011	18.76	18.86	18.62	18.62	1,744,756	-0.18(-0.95%)
Dec 27, 2011	18.70	18.83	18.67	18.80	1,292,086	+0.13(+0.68%)
Dec 23, 2011	18.58	18.79	18.55	18.67	1,523,565	+0.10(+0.53%)
Dec 21, 2011	18.21	18.64	18.17	18.57	4,589,246	+0.42(+2.30%)
Dec 20, 2011	17.76	18.17	17.76	18.16	4,312,493	+0.52(+2.97%)
Dec 19, 2011	17.96	18.03	17.59	17.63	3,907,398	-0.26(-1.48%)
Dec 16, 2011	17.97	18.09	17.84	17.90	7,796,465	+0.03(+0.15%)
Dec 15, 2011	17.77	17.96	17.74	17.87	3,741,161	+0.28(+1.60%)
Dec 14, 2011	17.87	17.94	17.56	17.59	4,874,257	-0.28(-1.57%)
Dec 13, 2011	17.67	18.07	17.67	17.87	4,143,121	+0.27(+1.56%)
Dec 12, 2011	17.74	17.76	17.45	17.60	3,145,135	-0.20(-1.10%)
Dec 09, 2011	17.73	17.85	17.61	17.79	3,566,743	+0.18(+1.00%)
Dec 08, 2011	17.90	17.90	17.59	17.62	3,389,009	-0.35(-1.92%)
Dec 07, 2011	18.05	18.05	17.90	17.96	3,274,146	-0.19(-1.03%)
Dec 06, 2011	18.10	18.23	18.03	18.15	2,374,148	+0.09(+0.51%)
Dec 05, 2011	18.19	18.19	17.94	18.06	3,239,326	+0.13(+0.74%)
Dec 02, 2011	18.09	18.18	17.92	17.92	2,721,363	-0.09(-0.51%)
Dec 01, 2011	18.03	18.16	17.96	18.02	3,041,422	+0.00(+0.00%)
Nov 30, 2011	17.90	18.02	17.83	18.02	3,608,120	+0.52(+2.96%)
Nov 29, 2011	17.47	17.57	17.40	17.50	3,807,252	+0.10(+0.58%)
Nov 28, 2011	17.47	17.60	17.30	17.40	2,467,946	+0.16(+0.94%)
Nov 25, 2011	17.20	17.37	17.20	17.23	885,986	+0.04(+0.26%)
Nov 23, 2011	17.32	17.32	17.12	17.19	3,181,809	-0.25(-1.46%)
Nov 22, 2011	17.64	17.64	17.41	17.44	2,690,171	-0.19(-1.09%)
Nov 21, 2011	17.87	17.87	17.49	17.64	2,696,115	-0.38(-2.09%)
Nov 18, 2011	17.80	18.10	17.80	18.01	3,758,529	+0.32(+1.80%)
Nov 17, 2011	17.77	17.89	17.54	17.69	3,336,765	-0.13(-0.70%)
Nov 16, 2011	17.91	18.10	17.81	17.82	2,431,937	-0.24(-1.31%)
Nov 15, 2011	18.05	18.13	17.96	18.06	2,054,195	+0.01(+0.07%)
Nov 14, 2011	18.21	18.21	18.01	18.04	1,772,515	-0.24(-1.31%)
Nov 11, 2011	18.13	18.29	18.13	18.28	2,194,094	+0.31(+1.75%)
Nov 10, 2011	18.08	18.16	17.86	17.97	3,148,258	+0.09(+0.51%)
Nov 09, 2011	18.12	18.18	17.84	17.88	4,391,642	-0.53(-2.89%)
Nov 08, 2011	18.24	18.42	18.16	18.41	3,693,838	+0.19(+1.06%)
Nov 07, 2011	18.17	18.24	18.00	18.22	3,037,401	+0.07(+0.37%)
Nov 04, 2011	18.06	18.22	17.92	18.15	3,989,694	+0.02(+0.11%)
Nov 03, 2011	17.66	18.28	17.66	18.13	6,854,883	+0.18(+0.98%)
Nov 02, 2011	17.89	18.16	17.89	17.95	5,546,920	+0.34(+1.92%)
Nov 01, 2011	17.79	18.01	17.59	17.61	6,077,555	-0.59(-3.22%)
Oct 31, 2011	18.21	18.43	18.19	18.20	4,520,949	-0.14(-0.78%)
Oct 28, 2011	18.54	18.57	18.32	18.34	4,228,316	-0.18(-0.95%)
Oct 27, 2011	18.82	18.83	18.46	18.52	7,560,414	+0.16(+0.89%)
Oct 26, 2011	18.45	18.48	18.18	18.36	6,100,884	+0.11(+0.61%)
Oct 25, 2011	18.32	18.41	18.17	18.24	2,509,034	-0.17(-0.94%)
Oct 24, 2011	18.44	18.53	18.34	18.42	3,205,540	-0.05(-0.29%)
Oct 21, 2011	18.27	18.47	18.26	18.47	3,158,919	+0.33(+1.83%)
Oct 20, 2011	18.00	18.19	17.91	18.14	3,290,398	+0.14(+0.75%)
Oct 19, 2011	17.91	18.21	17.89	18.00	2,980,321	+0.07(+0.38%)
Oct 18, 2011	17.75	18.01	17.57	17.93	3,586,299	+0.21(+1.20%)
Oct 17, 2011	17.68	17.81	17.61	17.72	3,241,653	+0.02(+0.11%)
Oct 14, 2011	17.66	17.73	17.56	17.70	1,751,238	+0.17(+0.97%)
Oct 13, 2011	17.40	17.59	17.20	17.53	3,804,547	+0.15(+0.86%)
Oct 12, 2011	17.60	17.61	17.38	17.38	2,577,897	-0.16(-0.89%)
Oct 11, 2011	17.46	17.59	17.37	17.54	3,056,240	-0.07(-0.40%)
Oct 10, 2011	17.53	17.61	17.44	17.61	2,734,076	+0.36(+2.08%)
Oct 07, 2011	17.37	17.44	17.13	17.25	3,108,756	-0.02(-0.14%)
Oct 06, 2011	17.13	17.29	16.83	17.27	1,831,110	+0.33(+1.96%)
Oct 05, 2011	16.98	16.98	16.67	16.94	3,933,485	+0.08(+0.48%)
Oct 04, 2011	16.67	16.87	16.39	16.86	4,392,472	-0.02(-0.10%)
Oct 03, 2011	17.45	17.56	16.87	16.88	5,484,360	-0.57(-3.24%)
Sep 30, 2011	17.28	17.73	17.24	17.44	7,239,206	+0.03(+0.18%)
Sep 29, 2011	17.39	17.49	17.19	17.41	3,981,055	+0.29(+1.72%)
Sep 28, 2011	17.28	17.58	17.07	17.12	3,536,174	-0.16(-0.92%)
Sep 27, 2011	17.33	17.48	17.18	17.28	3,663,774	+0.28(+1.63%)
Sep 26, 2011	17.01	17.05	16.80	17.00	3,520,370	+0.16(+0.98%)
Sep 23, 2011	16.65	16.89	16.61	16.84	4,825,961	+0.15(+0.92%)
Sep 22, 2011	16.89	16.93	16.49	16.68	9,155,812	-0.54(-3.14%)
Sep 21, 2011	17.78	17.87	17.22	17.22	4,780,585	-0.59(-3.33%)
Sep 20, 2011	17.72	18.04	17.61	17.82	3,645,006	+0.18(+1.01%)
Sep 19, 2011	17.63	17.71	17.55	17.64	4,906,788	-0.25(-1.41%)
Sep 16, 2011	17.68	17.91	17.56	17.89	5,646,941	+0.36(+2.03%)
Sep 15, 2011	17.36	17.55	17.30	17.53	3,053,166	+0.26(+1.52%)
Sep 14, 2011	17.17	17.43	17.02	17.27	3,550,507	+0.19(+1.12%)
Sep 13, 2011	16.91	17.11	16.84	17.08	3,109,231	+0.17(+1.01%)
Sep 12, 2011	16.81	16.92	16.62	16.91	4,701,057	+0.03(+0.18%)
Sep 09, 2011	17.20	17.20	16.78	16.88	4,035,263	-0.47(-2.73%)
Sep 08, 2011	17.39	17.62	17.34	17.35	3,127,963	-0.14(-0.81%)
Sep 07, 2011	17.28	17.51	17.18	17.49	2,982,121	+0.44(+2.60%)
Sep 06, 2011	16.70	17.07	16.70	17.05	3,632,028	-0.28(-1.63%)
Sep 02, 2011	17.34	17.47	17.28	17.33	3,192,120	-0.28(-1.58%)
Sep 01, 2011	17.64	17.79	17.56	17.61	3,763,382	-0.01(-0.06%)
Aug 31, 2011	17.55	17.67	17.52	17.62	3,266,417	+0.11(+0.63%)
Aug 30, 2011	17.41	17.60	17.37	17.51	3,123,013	+0.04(+0.23%)
Aug 29, 2011	17.30	17.49	17.24	17.47	2,259,298	+0.35(+2.02%)
Aug 26, 2011	16.75	17.23	16.53	17.12	4,649,100	+0.17(+0.99%)
Aug 25, 2011	17.24	17.29	16.88	16.96	4,906,099	-0.24(-1.40%)
Aug 24, 2011	16.76	17.25	16.75	17.20	3,978,895	+0.40(+2.38%)
Aug 23, 2011	16.35	16.80	16.27	16.80	5,107,043	+0.41(+2.50%)
Aug 22, 2011	16.57	16.63	16.30	16.39	4,426,770	+0.03(+0.18%)
Aug 19, 2011	16.36	16.60	16.30	16.36	5,267,562	-0.18(-1.08%)
Aug 18, 2011	16.46	16.59	16.24	16.54	7,600,677	-0.22(-1.32%)
Aug 17, 2011	16.56	16.86	16.56	16.76	5,366,365	+0.23(+1.38%)
Aug 16, 2011	16.49	16.64	16.37	16.53	4,338,474	-0.07(-0.44%)
Aug 15, 2011	16.16	16.63	16.11	16.60	3,596,017	+0.57(+3.58%)
Aug 12, 2011	16.19	16.26	15.94	16.03	4,913,229	-0.06(-0.40%)
Aug 11, 2011	15.37	16.26	15.37	16.09	7,573,914	+0.76(+4.94%)
Aug 10, 2011	15.75	15.78	15.32	15.34	10,869,562	-0.67(-4.19%)
Aug 09, 2011	16.03	16.02	15.02	16.01	8,959,649	+0.71(+4.65%)
Aug 08, 2011	16.03	16.19	15.25	15.30	13,824,632	-0.97(-5.96%)
Aug 05, 2011	16.24	16.37	15.81	16.27	8,119,164	+0.19(+1.19%)
Aug 04, 2011	16.50	16.62	16.06	16.07	5,219,649	-0.59(-3.56%)
Aug 03, 2011	16.61	16.70	16.45	16.67	5,091,175	+0.01(+0.08%)
Aug 02, 2011	16.83	17.02	16.64	16.65	4,911,008	-0.27(-1.57%)

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