Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.80	19.80	19.67	19.74	1,765	-0.08(-0.41%)
May 23, 2011	19.95	19.98	19.82	19.82	1,643	-0.29(-1.45%)
May 20, 2011	20.23	20.23	20.11	20.11	3,514	-0.15(-0.72%)
May 19, 2011	20.28	20.28	20.26	20.26	1,787	+0.06(+0.32%)
May 18, 2011	20.14	20.23	20.14	20.19	13,121	+0.04(+0.19%)
May 17, 2011	20.09	20.16	20.07	20.16	2,699	+0.14(+0.71%)
May 16, 2011	19.85	20.06	19.85	20.01	1,560	-0.02(-0.08%)
May 13, 2011	20.33	20.33	20.01	20.03	2,082	-0.32(-1.57%)
May 12, 2011	20.26	20.35	20.26	20.35	1,548	+0.07(+0.36%)
May 11, 2011	20.41	20.41	20.28	20.28	14,041	-0.20(-0.99%)
May 10, 2011	20.37	20.48	20.37	20.48	2,753	+0.27(+1.36%)
May 09, 2011	20.17	20.23	20.17	20.20	1,840	-0.01(-0.04%)
May 06, 2011	20.36	20.36	20.17	20.21	8,982	-0.09(-0.44%)
May 05, 2011	20.31	20.42	20.30	20.30	748	-0.19(-0.91%)
May 04, 2011	20.42	20.54	20.42	20.49	1,887	-0.14(-0.67%)
May 03, 2011	20.58	20.62	20.52	20.62	2,231	+0.01(+0.07%)
May 02, 2011	20.61	20.67	20.56	20.61	4,623	-0.08(-0.38%)
Apr 29, 2011	20.71	20.78	20.69	20.69	1,535	-0.11(-0.51%)
Apr 28, 2011	20.92	20.92	20.73	20.79	4,174	+0.16(+0.76%)
Apr 27, 2011	20.65	20.65	20.64	20.64	1,193	+0.07(+0.34%)
Apr 26, 2011	20.42	20.57	20.42	20.57	2,658	+0.29(+1.44%)
Apr 25, 2011	20.20	20.29	20.20	20.27	1,310	+0.14(+0.69%)
Apr 21, 2011	20.06	20.14	20.06	20.14	929	+0.06(+0.28%)
Apr 20, 2011	20.14	20.14	20.05	20.08	1,448	+0.13(+0.65%)
Apr 19, 2011	19.98	19.98	19.95	19.95	336	-0.15(-0.77%)
Apr 18, 2011	20.09	20.11	20.05	20.11	1,257	-0.18(-0.88%)
Apr 15, 2011	20.14	20.33	20.14	20.28	2,588	+0.15(+0.72%)
Apr 14, 2011	20.05	20.19	20.05	20.14	3,722	-0.01(-0.04%)
Apr 13, 2011	20.27	20.28	20.15	20.15	4,694	-0.19(-0.96%)
Apr 12, 2011	20.40	20.44	20.34	20.34	15,077	-0.08(-0.41%)
Apr 11, 2011	20.57	20.57	20.42	20.42	2,520	-0.08(-0.38%)
Apr 08, 2011	20.82	20.82	20.50	20.50	6,479	-0.31(-1.48%)
Apr 07, 2011	20.78	20.81	20.78	20.81	1,379	-0.10(-0.50%)
Apr 06, 2011	20.84	20.92	20.78	20.92	2,991	+0.33(+1.61%)
Apr 05, 2011	20.93	20.93	20.58	20.58	6,779	-0.08(-0.38%)
Apr 04, 2011	20.58	20.66	20.58	20.66	6,702	+0.15(+0.73%)
Apr 01, 2011	20.55	20.55	20.51	20.51	286	+0.11(+0.53%)
Mar 31, 2011	20.25	20.42	20.25	20.40	2,925	+0.07(+0.34%)
Mar 30, 2011	20.16	20.35	20.15	20.33	5,569	+0.22(+1.09%)
Mar 29, 2011	20.03	20.17	20.03	20.11	4,633	+0.04(+0.20%)
Mar 28, 2011	20.08	20.14	20.07	20.07	1,955	+0.04(+0.20%)
Mar 25, 2011	20.22	20.29	20.03	20.03	13,540	+0.11(+0.53%)
Mar 24, 2011	19.77	20.00	19.77	19.93	7,547	-0.05(-0.24%)
Mar 23, 2011	20.07	20.07	19.81	19.98	5,941	-0.13(-0.65%)
Mar 22, 2011	20.25	20.28	20.09	20.11	6,237	-0.01(-0.04%)
Mar 21, 2011	20.12	20.16	20.11	20.11	1,638	+0.17(+0.83%)
Mar 18, 2011	19.91	19.95	19.88	19.95	1,129	+0.23(+1.17%)
Mar 17, 2011	19.72	19.72	19.63	19.72	1,425	+0.06(+0.31%)
Mar 16, 2011	19.68	19.72	19.62	19.65	2,038	-0.20(-1.00%)
Mar 15, 2011	19.71	19.88	19.67	19.85	1,490	-0.03(-0.13%)
Mar 14, 2011	19.86	19.88	19.84	19.88	4,694	-0.26(-1.28%)
Mar 11, 2011	20.06	20.14	20.04	20.14	581	+0.04(+0.19%)
Mar 10, 2011	20.19	20.19	20.06	20.10	4,933	-0.51(-2.47%)
Mar 09, 2011	20.55	20.64	20.53	20.61	2,351	+0.05(+0.24%)
Mar 08, 2011	20.17	20.62	20.17	20.56	5,091	+0.44(+2.18%)
Mar 07, 2011	20.15	20.15	20.09	20.12	750	-0.04(-0.21%)
Mar 04, 2011	20.37	20.37	20.15	20.16	1,700	-0.30(-1.47%)
Mar 03, 2011	20.28	20.51	20.28	20.46	1,581	+0.33(+1.62%)
Mar 02, 2011	20.15	20.18	20.04	20.14	4,301	-0.03(-0.15%)
Mar 01, 2011	20.21	20.21	20.15	20.17	853	-0.19(-0.93%)
Feb 28, 2011	20.38	20.38	20.36	20.36	739	-0.03(-0.16%)
Feb 25, 2011	20.20	20.39	20.20	20.39	3,832	+0.41(+2.07%)
Feb 24, 2011	20.52	20.52	19.95	19.98	2,131	-0.22(-1.08%)
Feb 23, 2011	20.32	20.36	20.19	20.19	3,013	-0.11(-0.52%)
Feb 22, 2011	20.50	20.61	20.30	20.30	5,369	-0.48(-2.30%)
Feb 18, 2011	20.67	20.78	20.67	20.78	3,638	+0.06(+0.31%)
Feb 17, 2011	20.62	20.71	20.62	20.71	2,662	+0.00(+0.00%)
Feb 16, 2011	20.67	20.72	20.64	20.71	5,304	+0.09(+0.44%)
Feb 15, 2011	20.70	20.75	20.58	20.62	3,668	-0.06(-0.27%)
Feb 14, 2011	20.64	20.68	20.64	20.68	1,022	+0.03(+0.15%)
Feb 11, 2011	20.36	20.66	20.36	20.65	8,681	+0.33(+1.61%)
Feb 10, 2011	20.28	20.36	20.28	20.32	4,567	-0.09(-0.45%)
Feb 09, 2011	20.44	20.46	20.35	20.41	4,892	-0.05(-0.24%)
Feb 08, 2011	20.45	20.47	20.36	20.46	3,572	+0.01(+0.04%)
Feb 07, 2011	20.46	20.48	20.33	20.45	11,571	+0.18(+0.88%)
Feb 04, 2011	20.21	20.29	20.15	20.28	9,592	+0.02(+0.08%)
Feb 03, 2011	20.33	20.33	20.01	20.26	4,273	+0.03(+0.16%)
Feb 02, 2011	20.58	20.58	20.22	20.23	4,285	-0.18(-0.87%)
Feb 01, 2011	20.17	20.45	20.17	20.41	8,333	+0.41(+2.07%)
Jan 31, 2011	19.98	20.16	19.98	19.99	18,871	-0.09(-0.44%)
Jan 28, 2011	20.48	20.48	20.08	20.08	4,231	-0.35(-1.71%)
Jan 27, 2011	20.31	20.45	20.28	20.43	19,693	+0.13(+0.64%)
Jan 26, 2011	20.30	20.36	20.29	20.30	2,440	+0.03(+0.15%)
Jan 25, 2011	20.45	20.45	20.20	20.27	3,146	-0.02(-0.11%)
Jan 24, 2011	20.30	20.34	20.28	20.29	10,866	+0.01(+0.04%)
Jan 21, 2011	20.31	20.35	20.26	20.28	3,939	+0.02(+0.08%)
Jan 20, 2011	20.41	20.54	20.27	20.27	27,430	-0.19(-0.95%)
Jan 19, 2011	20.82	20.82	20.46	20.46	122,481	-0.45(-2.13%)
Jan 18, 2011	20.75	20.91	20.75	20.91	1,953	+0.06(+0.31%)
Jan 14, 2011	20.44	20.90	20.44	20.84	11,283	+0.59(+2.92%)
Jan 13, 2011	20.32	20.39	20.25	20.25	12,023	-0.13(-0.64%)
Jan 12, 2011	20.46	20.46	20.32	20.38	4,067	+0.10(+0.48%)
Jan 11, 2011	20.23	20.32	20.17	20.28	3,319	+0.05(+0.26%)
Jan 10, 2011	20.01	20.23	19.84	20.23	3,343	+0.04(+0.18%)
Jan 07, 2011	20.79	20.79	20.06	20.19	10,544	-0.35(-1.72%)
Jan 06, 2011	20.64	20.64	20.49	20.55	4,766	-0.05(-0.25%)
Jan 05, 2011	20.36	20.60	20.34	20.60	6,183	+0.28(+1.40%)
Jan 04, 2011	20.95	20.95	20.28	20.32	5,775	-0.35(-1.69%)
Jan 03, 2011	20.51	20.80	20.51	20.66	19,342	+0.35(+1.72%)
Dec 31, 2010	20.48	20.50	20.32	20.32	3,145	-0.20(-0.99%)
Dec 30, 2010	20.55	20.58	20.52	20.52	6,188	-0.04(-0.20%)
Dec 29, 2010	20.48	20.59	20.47	20.56	4,520	-0.01(-0.04%)
Dec 28, 2010	20.52	20.57	20.49	20.57	2,355	+0.14(+0.70%)
Dec 27, 2010	20.29	20.48	20.29	20.42	5,510	+0.08(+0.37%)
Dec 23, 2010	20.43	20.43	20.27	20.35	8,528	-0.01(-0.04%)
Dec 22, 2010	20.11	20.51	20.11	20.36	4,184	+0.33(+1.66%)
Dec 21, 2010	19.91	20.03	19.89	20.02	4,717	+0.24(+1.24%)
Dec 20, 2010	19.79	19.89	19.78	19.78	2,144	+0.19(+0.95%)
Dec 17, 2010	19.83	19.83	19.59	19.59	19,978	-0.04(-0.21%)
Dec 16, 2010	19.60	19.79	19.53	19.63	12,438	+0.03(+0.17%)
Dec 15, 2010	19.67	19.84	19.55	19.60	13,993	+0.02(+0.08%)
Dec 14, 2010	19.87	19.87	19.55	19.59	118,929	-0.11(-0.58%)
Dec 13, 2010	19.54	19.70	19.54	19.70	3,099	+0.03(+0.16%)
Dec 10, 2010	19.51	19.67	19.51	19.67	1,744	+0.26(+1.34%)
Dec 09, 2010	19.29	19.41	19.29	19.41	5,017	+0.23(+1.18%)
Dec 08, 2010	19.18	19.18	19.18	19.18	616	+0.17(+0.90%)
Dec 07, 2010	19.06	19.06	18.95	19.01	3,771	+0.15(+0.82%)
Dec 06, 2010	18.77	18.86	18.75	18.86	1,849	+0.20(+1.08%)
Dec 03, 2010	18.65	18.65	18.65	18.65	208	-0.00(-0.02%)
Dec 02, 2010	18.52	18.66	18.52	18.66	3,098	+0.39(+2.15%)
Dec 01, 2010	18.13	18.26	18.13	18.26	2,008	+0.39(+2.18%)
Nov 30, 2010	17.83	17.94	17.80	17.87	1,911	-0.09(-0.50%)
Nov 29, 2010	18.14	18.14	17.96	17.96	1,129	-0.22(-1.20%)
Nov 24, 2010	18.18	18.18	18.18	18.18	0	+0.26(+1.45%)
Nov 23, 2010	18.23	18.23	17.86	17.92	15,656	-0.03(-0.18%)
Nov 22, 2010	18.05	18.05	17.93	17.96	369	-0.18(-1.02%)
Nov 19, 2010	18.09	18.14	18.06	18.14	2,620	-0.03(-0.19%)
Nov 18, 2010	18.21	18.24	18.14	18.18	12,524	+0.20(+1.13%)
Nov 17, 2010	18.00	18.05	17.97	17.97	140,172	-0.11(-0.63%)
Nov 16, 2010	18.35	18.35	18.05	18.09	1,972	-0.36(-1.93%)
Nov 15, 2010	18.48	18.48	18.44	18.44	493	-0.15(-0.79%)
Nov 11, 2010	18.59	18.59	18.59	18.59	0	-0.08(-0.43%)
Nov 10, 2010	18.50	18.67	18.50	18.67	462	+0.22(+1.18%)
Nov 09, 2010	18.45	18.45	18.45	18.45	616	-0.21(-1.13%)
Nov 08, 2010	18.69	18.69	18.66	18.66	246	-0.17(-0.90%)
Nov 05, 2010	18.62	19.02	18.62	18.83	2,663	+0.19(+1.04%)
Nov 04, 2010	18.22	18.64	18.22	18.64	14,103	+0.72(+4.04%)
Nov 03, 2010	17.91	17.91	17.91	17.91	246	+0.33(+1.88%)
Nov 02, 2010	17.59	17.59	17.58	17.58	1,054	+0.19(+1.07%)
Nov 01, 2010	17.73	17.73	17.36	17.40	9,816	-0.38(-2.14%)
Oct 29, 2010	17.70	17.78	17.70	17.78	1,253	-0.05(-0.27%)
Oct 28, 2010	18.00	18.00	17.75	17.83	823	-0.06(-0.36%)
Oct 27, 2010	17.86	17.97	17.80	17.89	40,303	-0.11(-0.59%)
Oct 25, 2010	18.07	18.07	18.00	18.00	5,221	-0.08(-0.45%)
Oct 22, 2010	17.98	18.08	17.97	18.08	1,547	+0.02(+0.09%)
Oct 21, 2010	18.32	18.32	17.96	18.06	1,012	-0.17(-0.93%)
Oct 20, 2010	18.12	18.23	18.12	18.23	2,303	+0.11(+0.63%)
Oct 19, 2010	18.18	18.50	18.11	18.12	3,241	-0.24(-1.28%)
Oct 18, 2010	17.96	18.35	17.96	18.35	3,315	+0.30(+1.66%)
Oct 15, 2010	18.31	18.31	18.05	18.05	3,445	-0.08(-0.45%)
Oct 14, 2010	18.38	18.38	18.13	18.13	948	-0.36(-1.97%)
Oct 13, 2010	18.13	18.54	18.13	18.50	4,130	+0.36(+2.01%)
Oct 12, 2010	18.13	18.13	18.13	18.13	602	+0.03(+0.18%)
Oct 11, 2010	18.13	18.17	18.10	18.10	1,237	-0.16(-0.90%)
Oct 08, 2010	17.99	18.27	17.99	18.27	2,373	+0.10(+0.54%)
Oct 07, 2010	18.17	18.17	18.17	18.17	246	+0.04(+0.22%)
Oct 06, 2010	18.17	18.22	18.13	18.13	26,757	-0.06(-0.31%)
Oct 05, 2010	17.84	18.18	17.84	18.18	4,232	+0.49(+2.75%)
Oct 04, 2010	17.83	17.83	17.64	17.70	2,396	-0.23(-1.27%)
Oct 01, 2010	17.98	17.98	17.79	17.92	1,028	+0.02(+0.14%)
Sep 30, 2010	17.90	18.01	17.90	17.90	2,062	+0.15(+0.86%)
Sep 29, 2010	17.62	17.78	17.62	17.75	2,589	+0.03(+0.15%)
Sep 28, 2010	17.42	17.74	17.41	17.72	45,318	+0.10(+0.55%)
Sep 27, 2010	17.62	17.62	17.62	17.62	331	-0.15(-0.82%)
Sep 24, 2010	17.20	17.77	17.20	17.77	7,993	+0.52(+3.01%)
Sep 23, 2010	17.23	17.59	17.23	17.25	8,819	-0.18(-1.02%)
Sep 22, 2010	17.79	17.79	17.43	17.43	5,643	-0.41(-2.32%)
Sep 21, 2010	17.98	18.08	17.84	17.84	889	-0.20(-1.12%)
Sep 20, 2010	17.43	18.05	17.43	18.05	7,930	+0.53(+3.01%)
Sep 17, 2010	17.53	17.55	17.18	17.52	2,537	-0.19(-1.05%)
Sep 15, 2010	17.69	17.70	17.69	17.70	250	+0.03(+0.18%)
Sep 14, 2010	17.73	17.77	17.67	17.67	1,606	-0.17(-0.96%)
Sep 13, 2010	17.83	17.84	17.70	17.84	2,996	+0.44(+2.52%)
Sep 10, 2010	17.50	17.50	17.40	17.40	1,168	+0.07(+0.40%)
Sep 09, 2010	17.58	17.58	17.34	17.34	3,610	-0.03(-0.16%)
Sep 08, 2010	17.32	17.48	17.32	17.36	2,235	+0.19(+1.09%)
Sep 07, 2010	17.34	17.36	17.18	17.18	27,477	-0.46(-2.62%)
Sep 03, 2010	17.43	17.65	17.43	17.64	1,314	+0.33(+1.92%)
Sep 02, 2010	17.17	17.31	17.17	17.31	2,110	+0.11(+0.66%)
Sep 01, 2010	16.79	17.19	16.79	17.19	854	+0.52(+3.11%)
Aug 31, 2010	16.74	16.74	16.67	16.67	551	+0.06(+0.34%)
Aug 30, 2010	16.65	16.65	16.62	16.62	344	-0.37(-2.20%)
Aug 27, 2010	16.78	16.99	16.78	16.99	2,401	+0.31(+1.85%)
Aug 26, 2010	16.89	16.89	16.68	16.68	3,951	-0.12(-0.69%)
Aug 25, 2010	16.71	16.80	16.56	16.80	4,104	-0.01(-0.09%)
Aug 24, 2010	16.72	16.84	16.68	16.81	2,342	-0.11(-0.67%)
Aug 23, 2010	17.18	17.18	16.90	16.93	40,890	-0.21(-1.24%)
Aug 20, 2010	17.12	17.14	17.11	17.14	1,255	-0.11(-0.65%)
Aug 19, 2010	17.32	17.32	17.25	17.25	2,912	-0.39(-2.21%)
Aug 18, 2010	17.64	17.64	17.64	17.64	123	-0.02(-0.12%)
Aug 17, 2010	17.67	17.74	17.66	17.66	3,390	+0.24(+1.38%)
Aug 16, 2010	17.30	17.48	17.30	17.42	12,820	+0.02(+0.14%)
Aug 13, 2010	17.46	17.47	17.37	17.40	3,553	-0.11(-0.60%)
Aug 12, 2010	17.59	17.59	17.50	17.50	543	-0.19(-1.07%)
Aug 11, 2010	18.28	18.28	17.69	17.69	5,351	-0.78(-4.24%)
Aug 10, 2010	18.52	18.56	18.46	18.48	2,519	-0.18(-0.96%)
Aug 09, 2010	18.49	18.73	18.48	18.65	4,355	+0.17(+0.92%)
Aug 06, 2010	18.53	18.53	18.27	18.48	2,940	-0.24(-1.30%)
Aug 05, 2010	19.05	19.05	18.71	18.73	2,589	-0.36(-1.87%)
Aug 04, 2010	19.11	19.19	19.08	19.08	1,240	-0.07(-0.38%)
Aug 03, 2010	19.38	19.38	19.16	19.16	1,786	-0.04(-0.21%)
Aug 02, 2010	19.37	19.37	19.07	19.20	4,040	+0.17(+0.89%)
Jul 30, 2010	18.79	19.04	18.79	19.03	2,823	+0.00(+0.01%)
Jul 29, 2010	19.12	19.12	19.03	19.03	559	-0.09(-0.46%)
Jul 28, 2010	19.20	19.20	19.11	19.11	246	-0.18(-0.91%)
Jul 27, 2010	19.38	19.38	19.29	19.29	1,421	+0.26(+1.35%)
Jul 26, 2010	18.83	19.07	18.83	19.03	1,732	+0.33(+1.77%)
Jul 23, 2010	18.32	18.70	18.32	18.70	3,029	+0.37(+2.03%)
Jul 22, 2010	18.34	18.34	18.08	18.33	4,405	+0.57(+3.21%)
Jul 21, 2010	18.48	18.48	17.76	17.76	4,950	-0.61(-3.31%)
Jul 20, 2010	17.98	18.37	17.95	18.37	7,102	+0.15(+0.85%)
Jul 19, 2010	18.42	18.42	18.07	18.22	6,279	-0.06(-0.36%)
Jul 16, 2010	19.03	19.03	18.28	18.28	11,967	-0.84(-4.37%)
Jul 15, 2010	19.20	19.20	19.03	19.12	3,292	-0.07(-0.36%)
Jul 14, 2010	19.31	19.31	19.19	19.19	1,066	-0.24(-1.23%)
Jul 13, 2010	19.26	19.42	19.26	19.42	5,089	+0.42(+2.22%)
Jul 12, 2010	19.01	19.03	18.89	19.00	498	+0.15(+0.77%)
Jul 09, 2010	18.70	18.90	18.42	18.86	3,887	+0.16(+0.87%)
Jul 08, 2010	18.65	18.69	18.49	18.69	3,950	+0.33(+1.81%)
Jul 07, 2010	18.08	18.37	18.08	18.36	2,466	+0.42(+2.35%)
Jul 06, 2010	17.83	18.33	17.83	17.94	4,761	-0.09(-0.49%)
Jul 02, 2010	18.32	18.32	17.86	18.03	3,888	-0.15(-0.85%)
Jul 01, 2010	18.28	18.48	17.74	18.18	13,796	-0.28(-1.54%)
Jun 30, 2010	18.52	18.52	18.47	18.47	1,962	-0.14(-0.74%)
Jun 29, 2010	18.33	18.60	18.33	18.60	801	-0.69(-3.57%)
Jun 25, 2010	19.46	19.46	18.82	19.29	9,430	+0.36(+1.93%)
Jun 24, 2010	18.93	18.93	18.92	18.93	3,205	-0.19(-0.98%)
Jun 23, 2010	19.18	19.19	19.12	19.12	620	-0.24(-1.26%)
Jun 22, 2010	19.65	19.65	19.34	19.36	2,219	-0.28(-1.45%)
Jun 21, 2010	19.85	19.85	19.64	19.64	5,430	-0.02(-0.12%)
Jun 18, 2010	19.66	19.70	19.66	19.67	1,356	+0.16(+0.84%)
Jun 17, 2010	19.55	19.55	19.50	19.50	10,661	-0.16(-0.79%)
Jun 16, 2010	20.02	20.02	19.52	19.66	2,814	+0.01(+0.04%)
Jun 15, 2010	19.89	19.89	19.29	19.65	3,810	+0.38(+1.98%)
Jun 14, 2010	19.45	19.61	19.25	19.27	10,734	+0.00(+0.00%)
Jun 11, 2010	19.16	19.27	18.96	19.27	6,605	+0.12(+0.64%)
Jun 10, 2010	19.06	19.15	18.84	19.15	12,527	+0.52(+2.79%)
Jun 09, 2010	18.90	18.90	18.63	18.63	2,176	-0.11(-0.61%)
Jun 08, 2010	18.65	18.74	18.53	18.74	3,013	+0.06(+0.30%)
Jun 07, 2010	18.99	18.99	18.69	18.69	3,920	-0.19(-0.99%)
Jun 04, 2010	19.33	19.33	18.86	18.87	6,406	-0.92(-4.67%)
Jun 03, 2010	20.15	20.15	19.63	19.80	16,804	+0.15(+0.74%)
Jun 02, 2010	20.08	20.08	19.36	19.65	20,675	+0.24(+1.21%)

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