Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	22.08	22.25	22.07	22.24	20,273,536	+0.08(+0.37%)
Apr 27, 2012	22.11	22.27	22.10	22.15	18,777,752	+0.05(+0.22%)
Apr 26, 2012	21.74	22.19	21.70	22.10	32,132,768	+0.36(+1.67%)
Apr 25, 2012	21.72	21.83	21.68	21.74	22,841,218	-0.01(-0.05%)
Apr 24, 2012	21.31	21.77	21.30	21.75	40,655,880	+0.51(+2.41%)
Apr 23, 2012	21.17	21.37	21.15	21.24	27,134,562	-0.09(-0.41%)
Apr 20, 2012	21.06	21.43	21.06	21.33	35,090,164	+0.32(+1.52%)
Apr 19, 2012	20.99	21.26	20.90	21.01	33,541,622	+0.27(+1.30%)
Apr 18, 2012	20.67	20.78	20.66	20.74	14,784,150	-0.04(-0.21%)
Apr 17, 2012	20.73	20.89	20.65	20.78	18,684,492	+0.17(+0.83%)
Apr 16, 2012	20.56	20.68	20.49	20.61	14,595,907	+0.09(+0.46%)
Apr 13, 2012	20.62	20.68	20.46	20.52	28,433,400	-0.16(-0.77%)
Apr 12, 2012	20.60	20.71	20.54	20.68	18,075,928	+0.09(+0.45%)
Apr 11, 2012	20.40	20.63	20.38	20.58	22,685,946	+0.32(+1.58%)
Apr 10, 2012	20.60	20.66	20.27	20.27	27,571,174	-0.36(-1.76%)
Apr 09, 2012	20.57	20.71	20.57	20.63	19,097,268	-0.11(-0.53%)
Apr 05, 2012	20.88	20.88	20.66	20.74	21,218,612	-0.13(-0.61%)
Apr 04, 2012	20.88	20.96	20.84	20.87	24,678,356	-0.04(-0.18%)
Apr 03, 2012	20.90	20.97	20.80	20.90	24,005,828	-0.03(-0.16%)
Apr 02, 2012	20.81	20.99	20.77	20.94	24,396,220	+0.16(+0.76%)
Mar 30, 2012	20.83	20.84	20.65	20.78	22,122,386	+0.09(+0.42%)
Mar 29, 2012	20.71	20.73	20.41	20.69	34,679,076	-0.10(-0.50%)
Mar 28, 2012	20.88	20.94	20.70	20.79	36,879,176	-0.22(-1.03%)
Mar 27, 2012	21.34	21.37	20.97	21.01	39,883,192	-0.36(-1.70%)
Mar 26, 2012	21.47	21.49	21.26	21.38	84,592,592	-0.05(-0.23%)
Mar 23, 2012	21.56	21.64	21.36	21.43	74,270,616	-0.13(-0.60%)
Mar 22, 2012	21.49	21.65	21.47	21.56	74,935,112	-0.07(-0.30%)
Mar 21, 2012	21.57	21.69	21.56	21.62	18,127,280	+0.08(+0.38%)
Mar 20, 2012	21.47	21.58	21.44	21.54	17,632,626	-0.01(-0.05%)
Mar 19, 2012	21.45	21.63	21.36	21.55	18,848,004	+0.04(+0.20%)
Mar 16, 2012	21.53	21.56	21.39	21.51	41,288,868	+0.02(+0.08%)
Mar 15, 2012	21.47	21.50	21.34	21.49	18,587,616	+0.04(+0.18%)
Mar 14, 2012	21.43	21.65	21.41	21.45	20,986,936	-0.01(-0.03%)
Mar 13, 2012	21.38	21.47	21.32	21.46	19,208,800	+0.09(+0.41%)
Mar 12, 2012	21.26	21.45	21.21	21.37	17,584,988	+0.12(+0.56%)
Mar 09, 2012	21.37	21.39	21.16	21.25	21,630,316	-0.07(-0.31%)
Mar 08, 2012	21.29	21.44	21.26	21.32	22,405,590	+0.19(+0.90%)
Mar 07, 2012	21.06	21.21	21.03	21.13	19,581,572	+0.10(+0.47%)
Mar 06, 2012	21.02	21.19	20.99	21.03	20,743,838	-0.17(-0.79%)
Mar 05, 2012	21.01	21.35	20.99	21.20	25,348,958	+0.18(+0.85%)
Mar 02, 2012	20.91	21.10	20.89	21.02	22,041,552	+0.13(+0.62%)
Mar 01, 2012	20.72	20.93	20.69	20.89	21,374,194	+0.17(+0.84%)
Feb 29, 2012	20.74	20.78	20.65	20.71	27,861,236	-0.02(-0.10%)
Feb 28, 2012	20.70	20.84	20.69	20.74	23,082,824	+0.01(+0.05%)
Feb 27, 2012	20.69	20.76	20.59	20.72	26,758,504	-0.01(-0.03%)
Feb 24, 2012	20.74	20.82	20.61	20.73	17,834,026	+0.01(+0.03%)
Feb 23, 2012	20.70	20.75	20.59	20.72	26,256,286	-0.04(-0.21%)
Feb 22, 2012	20.93	20.96	20.69	20.77	17,599,506	-0.15(-0.73%)
Feb 21, 2012	20.99	21.07	20.89	20.92	22,125,398	+0.02(+0.08%)
Feb 17, 2012	20.81	20.95	20.74	20.90	22,284,286	+0.22(+1.08%)
Feb 16, 2012	20.53	20.73	20.47	20.68	17,629,800	+0.12(+0.58%)
Feb 15, 2012	20.71	20.71	20.52	20.56	19,553,976	-0.11(-0.55%)
Feb 14, 2012	20.67	20.73	20.52	20.68	18,697,450	-0.05(-0.24%)
Feb 13, 2012	20.53	20.78	20.53	20.72	23,321,678	+0.24(+1.17%)
Feb 10, 2012	20.49	20.52	20.39	20.49	22,917,528	-0.12(-0.61%)
Feb 09, 2012	20.64	20.65	20.52	20.61	16,125,771	+0.00(+0.00%)
Feb 08, 2012	20.59	20.79	20.58	20.61	17,479,708	+0.00(+0.00%)
Feb 07, 2012	20.81	20.82	20.48	20.61	22,950,528	-0.12(-0.58%)
Feb 06, 2012	20.56	20.76	20.56	20.73	27,491,736	+0.16(+0.79%)
Feb 03, 2012	20.58	20.59	20.40	20.57	21,000,068	+0.15(+0.75%)
Feb 02, 2012	20.62	20.70	20.38	20.41	22,797,344	-0.13(-0.64%)
Feb 01, 2012	20.74	20.80	20.51	20.54	24,532,966	+0.08(+0.37%)
Jan 31, 2012	20.56	20.57	20.39	20.47	26,687,070	+0.03(+0.13%)
Jan 30, 2012	20.17	20.45	20.15	20.44	28,877,156	+0.22(+1.07%)
Jan 27, 2012	20.40	20.45	20.22	20.22	31,481,732	-0.07(-0.35%)
Jan 26, 2012	20.54	20.59	20.27	20.29	30,719,450	-0.19(-0.93%)
Jan 25, 2012	20.56	20.63	20.28	20.49	34,724,628	-0.05(-0.26%)
Jan 24, 2012	20.65	20.73	20.27	20.54	54,453,380	-0.33(-1.59%)
Jan 23, 2012	21.14	21.20	20.80	20.87	35,218,144	-0.31(-1.46%)
Jan 20, 2012	21.21	21.25	21.03	21.18	27,246,164	-0.02(-0.08%)
Jan 19, 2012	21.19	21.26	21.14	21.20	18,387,244	-0.01(-0.03%)
Jan 18, 2012	21.16	21.22	21.07	21.20	21,093,360	-0.01(-0.03%)
Jan 17, 2012	21.31	21.44	21.15	21.21	21,560,164	+0.05(+0.26%)
Jan 13, 2012	21.09	21.18	20.97	21.15	16,549,484	+0.00(+0.00%)
Jan 12, 2012	21.19	21.21	21.03	21.15	16,896,116	+0.01(+0.05%)
Jan 11, 2012	20.95	21.20	20.91	21.14	22,688,118	+0.18(+0.86%)
Jan 10, 2012	20.97	21.10	20.95	20.96	26,763,620	+0.11(+0.52%)
Jan 09, 2012	20.90	20.94	20.73	20.85	25,674,764	+0.02(+0.10%)
Jan 06, 2012	20.95	20.95	20.74	20.83	41,079,696	-0.06(-0.29%)
Jan 05, 2012	21.02	21.08	20.56	20.89	37,160,000	-0.14(-0.69%)
Jan 04, 2012	21.34	21.45	20.90	21.04	52,686,532	-0.49(-2.27%)
Dec 30, 2011	21.41	21.60	21.40	21.53	18,851,208	+0.04(+0.17%)
Dec 29, 2011	21.45	21.50	21.36	21.49	15,546,324	+0.16(+0.73%)
Dec 28, 2011	21.45	21.48	21.31	21.33	12,673,505	-0.12(-0.58%)
Dec 27, 2011	21.40	21.47	21.36	21.46	14,352,162	+0.01(+0.03%)
Dec 23, 2011	21.15	21.45	21.14	21.45	24,672,230	+0.40(+1.91%)
Dec 21, 2011	21.10	21.19	20.87	21.05	27,973,170	+0.01(+0.05%)
Dec 20, 2011	20.98	21.11	20.80	21.04	37,261,476	+0.31(+1.50%)
Dec 19, 2011	20.81	20.98	20.65	20.73	27,051,880	-0.08(-0.39%)
Dec 16, 2011	20.72	20.81	20.64	20.81	37,051,208	+0.19(+0.94%)
Dec 15, 2011	20.65	20.69	20.53	20.61	20,008,334	+0.09(+0.42%)
Dec 14, 2011	20.53	20.66	20.41	20.53	22,172,384	+0.00(+0.00%)
Dec 13, 2011	20.64	20.70	20.46	20.53	22,091,820	-0.05(-0.23%)
Dec 12, 2011	20.52	20.60	20.38	20.58	22,846,690	-0.04(-0.21%)
Dec 09, 2011	20.44	20.66	20.36	20.62	23,122,164	+0.33(+1.64%)
Dec 08, 2011	20.47	20.52	20.29	20.29	25,840,334	-0.27(-1.31%)
Dec 07, 2011	20.57	20.63	20.28	20.55	22,625,192	-0.01(-0.03%)
Dec 06, 2011	20.46	20.70	20.43	20.56	25,544,502	+0.14(+0.71%)
Dec 05, 2011	20.43	20.55	20.37	20.42	24,973,080	+0.11(+0.53%)
Dec 02, 2011	20.33	20.43	20.20	20.31	26,291,676	+0.04(+0.21%)
Dec 01, 2011	20.22	20.27	20.11	20.27	22,872,342	+0.02(+0.11%)
Nov 30, 2011	19.99	20.24	19.96	20.24	32,468,254	+0.59(+3.00%)
Nov 29, 2011	19.56	19.82	19.49	19.65	26,020,294	+0.20(+1.05%)
Nov 28, 2011	19.47	19.54	19.32	19.45	33,128,548	+0.48(+2.55%)
Nov 25, 2011	18.96	19.17	18.95	18.97	10,286,700	+0.00(+0.00%)
Nov 23, 2011	19.34	19.38	18.97	18.97	24,083,670	-0.45(-2.32%)
Nov 22, 2011	19.41	19.47	19.23	19.42	22,399,794	+0.06(+0.33%)
Nov 21, 2011	19.41	19.49	19.24	19.35	22,770,688	-0.21(-1.07%)
Nov 18, 2011	19.71	19.77	19.45	19.56	21,985,286	-0.13(-0.65%)
Nov 17, 2011	19.69	19.89	19.56	19.69	26,967,388	+0.03(+0.14%)
Nov 16, 2011	19.87	19.93	19.64	19.66	24,871,094	-0.32(-1.58%)
Nov 15, 2011	19.86	20.07	19.77	19.98	36,402,420	+0.13(+0.65%)
Nov 14, 2011	20.03	20.03	19.76	19.85	31,444,412	-0.28(-1.39%)
Nov 11, 2011	20.15	20.24	20.06	20.13	16,445,656	+0.10(+0.51%)
Nov 10, 2011	20.00	20.15	19.89	20.03	21,264,482	+0.24(+1.19%)
Nov 09, 2011	19.91	20.05	19.72	19.79	26,973,294	-0.34(-1.68%)
Nov 08, 2011	20.12	20.17	19.89	20.13	18,488,612	+0.10(+0.48%)
Nov 07, 2011	19.96	20.04	18.87	20.03	22,264,840	+0.09(+0.46%)
Nov 04, 2011	20.00	20.02	19.78	19.94	16,875,420	-0.15(-0.75%)
Nov 03, 2011	19.92	20.14	19.74	20.09	25,754,614	+0.35(+1.77%)
Nov 02, 2011	19.85	19.94	19.63	19.74	25,201,598	+0.18(+0.90%)
Nov 01, 2011	19.81	19.95	19.54	19.57	29,534,716	-0.27(-1.38%)
Oct 31, 2011	20.10	20.15	19.82	19.84	27,132,368	-0.35(-1.73%)
Oct 28, 2011	20.16	20.24	20.05	20.19	25,112,034	-0.02(-0.08%)
Oct 27, 2011	20.01	20.30	19.86	20.21	43,582,400	+0.46(+2.31%)
Oct 26, 2011	19.66	19.75	19.48	19.75	35,219,584	+0.33(+1.71%)
Oct 25, 2011	19.82	19.82	19.39	19.42	36,973,220	-0.40(-2.00%)
Oct 24, 2011	20.10	20.10	19.72	19.81	27,165,582	-0.26(-1.31%)
Oct 21, 2011	19.94	20.10	19.68	20.08	32,828,752	+0.17(+0.86%)
Oct 20, 2011	19.78	19.99	19.65	19.91	23,017,868	+0.03(+0.13%)
Oct 19, 2011	19.97	20.09	19.83	19.88	19,170,976	-0.10(-0.51%)
Oct 18, 2011	19.88	20.06	19.73	19.98	22,848,886	+0.16(+0.81%)
Oct 17, 2011	20.00	20.08	19.80	19.82	18,330,968	-0.21(-1.04%)
Oct 14, 2011	20.01	20.05	19.90	20.03	17,246,528	+0.17(+0.84%)
Oct 13, 2011	19.71	19.89	19.62	19.86	25,564,330	+0.19(+0.95%)
Oct 12, 2011	19.66	19.80	19.45	19.67	27,132,246	+0.09(+0.47%)
Oct 11, 2011	19.69	19.74	19.56	19.58	20,728,074	-0.21(-1.08%)
Oct 10, 2011	19.58	19.80	19.57	19.80	18,162,960	+0.40(+2.05%)
Oct 07, 2011	19.20	19.56	19.19	19.40	32,068,254	+0.13(+0.70%)
Oct 06, 2011	19.19	19.27	19.12	19.27	33,978,072	+0.08(+0.39%)
Oct 05, 2011	19.25	19.32	19.11	19.19	40,495,284	-0.07(-0.36%)
Oct 04, 2011	19.12	19.29	18.76	19.26	63,903,268	+0.03(+0.16%)
Oct 03, 2011	19.53	19.66	19.18	19.23	43,830,140	-0.24(-1.25%)
Sep 30, 2011	19.54	19.76	19.46	19.47	31,287,338	-0.19(-0.94%)
Sep 29, 2011	19.70	19.79	19.44	19.66	41,906,344	+0.16(+0.84%)
Sep 28, 2011	19.52	19.76	19.46	19.49	29,683,728	-0.03(-0.14%)
Sep 27, 2011	19.44	19.73	19.42	19.52	34,037,484	+0.28(+1.46%)
Sep 26, 2011	19.11	19.27	18.97	19.24	35,768,524	+0.25(+1.34%)
Sep 23, 2011	18.76	19.02	18.71	18.99	62,078,940	+0.15(+0.82%)
Sep 22, 2011	18.58	18.92	18.55	18.83	81,506,920	-0.13(-0.70%)
Sep 21, 2011	19.29	19.42	18.95	18.97	26,721,288	-0.30(-1.57%)
Sep 20, 2011	19.30	19.54	19.18	19.27	25,853,878	+0.07(+0.36%)
Sep 19, 2011	19.27	19.27	19.07	19.20	23,030,122	-0.23(-1.20%)
Sep 16, 2011	19.27	19.45	19.16	19.43	37,354,332	+0.28(+1.46%)
Sep 15, 2011	18.97	19.15	18.79	19.15	23,079,994	+0.31(+1.66%)
Sep 14, 2011	18.70	19.02	18.58	18.84	32,825,972	+0.05(+0.28%)
Sep 13, 2011	18.64	18.84	18.56	18.79	26,268,926	+0.13(+0.71%)
Sep 12, 2011	18.40	18.68	18.34	18.65	29,207,740	+0.01(+0.03%)
Sep 09, 2011	18.58	18.71	18.50	18.65	43,336,080	-0.07(-0.40%)
Sep 08, 2011	18.75	18.90	18.67	18.72	22,138,314	-0.13(-0.67%)
Sep 07, 2011	18.80	18.85	18.53	18.85	30,373,008	+0.21(+1.14%)
Sep 06, 2011	18.51	18.67	18.40	18.64	27,258,712	-0.18(-0.96%)
Sep 02, 2011	18.89	19.02	18.79	18.82	25,819,998	-0.17(-0.89%)
Sep 01, 2011	19.08	19.22	18.96	18.99	36,005,872	-0.15(-0.79%)
Aug 31, 2011	19.36	19.43	18.92	19.14	54,630,548	-0.08(-0.40%)
Aug 30, 2011	19.18	19.31	19.09	19.21	24,776,880	+0.09(+0.47%)
Aug 29, 2011	19.08	19.18	18.95	19.12	25,284,040	+0.20(+1.06%)
Aug 26, 2011	18.86	19.07	18.58	18.92	28,262,908	-0.01(-0.03%)
Aug 25, 2011	19.29	19.32	18.86	18.93	26,310,778	-0.37(-1.92%)
Aug 24, 2011	19.02	19.31	18.92	19.30	30,483,158	+0.27(+1.42%)
Aug 23, 2011	18.52	19.03	18.47	19.03	45,425,052	+0.60(+3.27%)
Aug 22, 2011	18.73	18.75	18.39	18.43	29,060,304	+0.06(+0.32%)
Aug 19, 2011	18.39	18.80	18.35	18.37	43,871,564	-0.19(-1.03%)
Aug 18, 2011	18.55	18.76	18.36	18.56	53,233,596	-0.29(-1.52%)
Aug 17, 2011	18.50	18.87	18.50	18.84	29,402,694	+0.39(+2.09%)
Aug 16, 2011	18.45	18.53	18.24	18.46	25,710,174	-0.09(-0.49%)
Aug 15, 2011	18.31	18.57	18.21	18.55	26,042,128	+0.40(+2.19%)
Aug 12, 2011	18.43	18.47	18.03	18.15	40,407,836	-0.17(-0.92%)
Aug 11, 2011	17.97	18.49	17.80	18.32	55,361,136	+0.51(+2.85%)
Aug 10, 2011	18.04	18.31	17.75	17.81	63,780,412	-0.33(-1.84%)
Aug 09, 2011	17.98	18.16	17.08	18.15	84,685,608	+0.62(+3.53%)
Aug 08, 2011	17.98	18.31	17.49	17.53	103,905,992	-1.02(-5.51%)
Aug 05, 2011	18.59	18.71	18.00	18.55	67,683,672	+0.07(+0.37%)
Aug 04, 2011	18.77	18.99	18.48	18.48	58,592,056	-0.56(-2.92%)
Aug 03, 2011	18.77	19.05	18.63	19.03	36,709,688	+0.25(+1.35%)
Aug 02, 2011	18.97	19.02	18.76	18.78	44,229,320	-0.20(-1.06%)
Aug 01, 2011	19.24	19.26	18.60	18.98	39,019,676	+0.31(+1.64%)
Jul 29, 2011	18.68	18.91	18.45	18.67	31,505,732	-0.20(-1.04%)
Jul 28, 2011	19.17	19.25	18.80	18.87	30,894,450	-0.29(-1.52%)
Jul 27, 2011	19.15	19.28	19.12	19.16	35,804,628	-0.04(-0.19%)
Jul 26, 2011	19.14	19.31	19.13	19.20	22,510,054	+0.03(+0.17%)
Jul 25, 2011	19.29	19.33	19.12	19.17	27,947,354	-0.28(-1.42%)
Jul 22, 2011	19.31	19.47	19.31	19.44	57,301,128	-0.44(-2.21%)
Jul 21, 2011	19.85	20.01	19.77	19.88	33,343,284	+0.13(+0.64%)
Jul 20, 2011	19.63	19.81	19.53	19.75	22,641,318	+0.19(+0.97%)
Jul 19, 2011	19.48	19.57	19.36	19.56	29,784,352	+0.14(+0.71%)
Jul 18, 2011	19.41	19.44	19.19	19.43	20,606,984	-0.06(-0.30%)
Jul 15, 2011	19.49	19.57	19.39	19.48	24,116,284	-0.03(-0.16%)
Jul 14, 2011	19.55	19.77	19.48	19.52	24,105,436	-0.03(-0.16%)
Jul 13, 2011	19.66	19.72	19.51	19.55	21,646,028	-0.08(-0.40%)
Jul 12, 2011	19.61	19.74	19.60	19.63	27,072,012	-0.02(-0.08%)
Jul 11, 2011	19.64	19.67	19.58	19.64	21,728,370	-0.19(-0.96%)
Jul 08, 2011	19.67	19.85	19.64	19.83	23,501,562	+0.03(+0.16%)
Jul 07, 2011	19.95	19.95	19.67	19.80	29,115,680	-0.06(-0.32%)
Jul 06, 2011	19.79	19.87	19.65	19.86	28,278,102	+0.11(+0.56%)
Jul 05, 2011	19.71	19.78	19.61	19.75	24,024,070	+0.01(+0.05%)
Jul 01, 2011	19.36	19.78	19.36	19.74	28,609,612	+0.30(+1.53%)
Jun 30, 2011	19.26	19.46	19.22	19.45	49,916,908	+0.27(+1.39%)
Jun 29, 2011	19.19	19.22	19.11	19.18	19,762,642	+0.08(+0.41%)
Jun 28, 2011	19.05	19.10	18.93	19.10	24,818,938	+0.09(+0.47%)
Jun 27, 2011	18.85	19.07	18.78	19.01	23,993,728	+0.21(+1.11%)
Jun 24, 2011	18.85	18.89	18.74	18.80	38,133,716	-0.03(-0.14%)
Jun 23, 2011	18.65	18.86	18.54	18.83	39,066,848	+0.06(+0.31%)
Jun 22, 2011	18.75	18.84	18.73	18.77	21,931,300	-0.03(-0.14%)
Jun 21, 2011	18.72	18.86	18.65	18.80	35,754,476	+0.18(+0.95%)
Jun 20, 2011	18.62	18.64	18.57	18.62	22,800,724	+0.07(+0.39%)
Jun 17, 2011	18.52	18.76	18.51	18.55	36,910,372	+0.14(+0.77%)
Jun 16, 2011	18.34	18.48	18.31	18.41	20,155,572	+0.06(+0.34%)
Jun 15, 2011	18.52	18.60	18.25	18.34	26,723,854	-0.24(-1.29%)
Jun 14, 2011	18.70	18.75	18.54	18.58	27,276,390	-0.03(-0.14%)
Jun 13, 2011	18.40	18.71	18.40	18.61	22,149,668	+0.23(+1.25%)
Jun 10, 2011	18.53	18.58	18.37	18.38	23,959,734	-0.25(-1.35%)
Jun 09, 2011	18.81	18.81	18.54	18.63	26,722,878	-0.12(-0.64%)
Jun 08, 2011	18.55	18.88	18.49	18.75	37,220,116	+0.27(+1.47%)
Jun 07, 2011	18.43	18.64	18.37	18.48	23,632,806	+0.09(+0.48%)
Jun 06, 2011	18.58	18.60	18.37	18.39	26,868,550	-0.22(-1.18%)
Jun 03, 2011	18.73	18.82	18.60	18.61	23,103,238	-0.66(-3.44%)
May 24, 2011	19.28	19.35	19.22	19.27	17,365,702	+0.03(+0.14%)
May 23, 2011	19.20	19.29	19.14	19.25	17,429,438	-0.16(-0.81%)
May 20, 2011	19.46	19.49	19.34	19.40	20,377,310	-0.09(-0.46%)
May 19, 2011	19.43	19.54	19.34	19.49	18,513,508	+0.12(+0.62%)
May 18, 2011	19.42	19.42	19.27	19.37	18,067,546	-0.01(-0.05%)
May 17, 2011	19.27	19.42	19.22	19.38	23,890,612	+0.07(+0.38%)
May 16, 2011	19.46	19.46	19.27	19.31	21,055,376	-0.15(-0.78%)
May 13, 2011	19.59	19.59	19.30	19.46	19,988,662	-0.09(-0.45%)
May 12, 2011	19.38	19.65	19.34	19.55	19,590,390	+0.09(+0.46%)
May 11, 2011	19.63	19.68	19.33	19.46	21,921,122	-0.16(-0.83%)
May 10, 2011	19.47	19.68	19.46	19.62	19,937,116	+0.17(+0.89%)
May 09, 2011	19.47	19.50	19.37	19.45	16,186,945	-0.02(-0.11%)
May 06, 2011	19.57	19.59	19.37	19.47	21,204,344	+0.08(+0.43%)
May 05, 2011	19.62	19.71	19.27	19.39	29,288,148	-0.29(-1.46%)
May 04, 2011	19.69	19.77	19.62	19.68	21,576,986	-0.07(-0.34%)
May 03, 2011	19.71	19.84	19.57	19.74	63,576,648	+0.13(+0.64%)

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