Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	36.56	37.42	36.41	37.12	788,086	+0.93(+2.57%)
May 23, 2011	36.75	37.08	35.72	36.19	568,820	-1.37(-3.64%)
May 20, 2011	37.02	37.84	36.65	37.55	671,669	+0.14(+0.38%)
May 19, 2011	37.60	37.87	36.98	37.41	401,578	+0.06(+0.17%)
May 18, 2011	36.28	37.69	36.24	37.35	563,892	+0.99(+2.73%)
May 17, 2011	35.97	36.51	35.77	36.36	941,733	+0.19(+0.52%)
May 16, 2011	36.40	36.91	35.94	36.17	524,593	-0.34(-0.94%)
May 13, 2011	36.94	36.94	36.01	36.51	499,537	-0.33(-0.89%)
May 12, 2011	36.79	37.16	36.21	36.84	598,197	-0.19(-0.51%)
May 11, 2011	37.91	38.07	36.80	37.03	460,389	-1.13(-2.97%)
May 10, 2011	38.20	38.60	37.95	38.16	434,763	+0.08(+0.21%)
May 09, 2011	37.91	38.37	37.41	38.09	444,611	+0.37(+0.97%)
May 06, 2011	38.28	38.87	37.12	37.72	810,951	-0.11(-0.29%)
May 05, 2011	38.23	38.26	37.50	37.83	903,010	-1.16(-2.97%)
May 04, 2011	39.49	39.54	38.25	38.98	589,844	-0.72(-1.81%)
May 03, 2011	40.62	40.63	39.15	39.70	405,390	-0.89(-2.20%)
May 02, 2011	40.54	40.64	40.45	40.60	589,648	-0.73(-1.78%)
Apr 29, 2011	40.99	41.37	40.49	41.33	489,494	+0.20(+0.49%)
Apr 28, 2011	41.10	41.44	40.08	41.13	530,108	-0.30(-0.74%)
Apr 27, 2011	40.92	41.48	40.04	41.43	753,789	+0.64(+1.57%)
Apr 26, 2011	41.10	41.32	40.71	40.79	308,081	-0.20(-0.50%)
Apr 25, 2011	41.41	41.41	40.58	40.99	255,894	-0.51(-1.22%)
Apr 21, 2011	40.98	41.74	40.98	41.50	642,879	+0.68(+1.67%)
Apr 20, 2011	40.58	41.07	40.40	40.82	462,755	+0.63(+1.58%)
Apr 19, 2011	40.21	40.49	39.85	40.19	447,368	+0.60(+1.52%)
Apr 18, 2011	39.90	40.01	38.89	39.59	466,435	-0.86(-2.13%)
Apr 15, 2011	40.17	40.54	40.17	40.45	318,663	-0.13(-0.31%)
Apr 14, 2011	40.50	40.78	40.29	40.57	382,387	-0.13(-0.33%)
Apr 13, 2011	41.16	41.42	40.27	40.71	406,976	+0.04(+0.10%)
Apr 12, 2011	41.14	41.14	40.01	40.67	526,745	-0.91(-2.18%)
Apr 11, 2011	43.00	43.00	41.33	41.57	391,253	-1.42(-3.29%)
Apr 08, 2011	42.39	43.00	42.32	42.99	595,822	+1.18(+2.82%)
Apr 07, 2011	41.63	42.07	41.46	41.81	416,416	+0.31(+0.75%)
Apr 06, 2011	42.28	42.35	41.49	41.49	458,047	-0.63(-1.49%)
Apr 05, 2011	41.62	42.22	41.53	42.12	432,394	+0.52(+1.24%)
Apr 04, 2011	41.13	41.60	40.86	41.60	291,530	+0.55(+1.33%)
Apr 01, 2011	40.46	41.47	40.40	41.06	429,129	+1.13(+2.82%)
Mar 31, 2011	40.45	40.79	39.84	39.93	433,256	-0.19(-0.47%)
Mar 30, 2011	40.48	41.06	40.08	40.12	408,962	-0.14(-0.35%)
Mar 29, 2011	39.31	40.38	39.29	40.26	389,057	+0.95(+2.43%)
Mar 28, 2011	39.91	40.13	39.26	39.31	364,327	-0.57(-1.43%)
Mar 25, 2011	39.46	40.12	39.46	39.88	365,057	+0.59(+1.49%)
Mar 24, 2011	40.13	40.22	39.11	39.29	884,811	-0.54(-1.35%)
Mar 23, 2011	40.17	40.68	39.77	39.83	497,782	-0.51(-1.26%)
Mar 22, 2011	40.49	40.67	40.08	40.34	195,980	-0.14(-0.35%)
Mar 21, 2011	40.38	40.56	40.28	40.48	331,903	+0.83(+2.09%)
Mar 18, 2011	41.06	41.08	39.65	39.65	558,651	-1.01(-2.48%)
Mar 17, 2011	40.25	40.81	40.02	40.66	461,213	+1.19(+3.01%)
Mar 16, 2011	38.76	40.29	38.67	39.47	1,235,023	+0.52(+1.35%)
Mar 15, 2011	38.61	39.16	38.58	38.95	604,457	-0.70(-1.77%)
Mar 14, 2011	39.52	40.03	39.24	39.65	565,980	-0.42(-1.05%)
Mar 11, 2011	39.50	40.43	39.27	40.07	492,744	+0.18(+0.45%)
Mar 10, 2011	40.57	40.77	39.74	39.89	730,583	-1.23(-2.99%)
Mar 09, 2011	41.24	41.35	40.75	41.12	688,506	-0.12(-0.28%)
Mar 08, 2011	42.24	42.71	41.10	41.24	841,238	-0.77(-1.84%)
Mar 07, 2011	42.53	43.50	41.98	42.01	2,180,229	-0.21(-0.50%)
Mar 04, 2011	41.24	42.22	41.16	42.22	547,920	+0.90(+2.18%)
Mar 03, 2011	41.45	41.88	41.10	41.32	737,625	-0.25(-0.60%)
Mar 02, 2011	40.80	41.59	40.62	41.57	603,124	+1.09(+2.68%)

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