Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	22.27	22.42	22.21	22.41	4,000,374	+0.06(+0.25%)
Apr 28, 2011	22.35	22.43	22.23	22.35	16,644,069	+0.23(+1.02%)
Apr 27, 2011	21.68	22.17	21.61	22.12	15,434,537	+0.71(+3.33%)
Apr 26, 2011	21.08	21.45	21.03	21.41	4,396,731	+0.22(+1.04%)
Apr 25, 2011	21.15	21.23	21.12	21.19	1,991,703	-0.05(-0.22%)
Apr 21, 2011	21.35	21.35	21.13	21.24	2,432,716	-0.03(-0.14%)
Apr 20, 2011	21.25	21.32	21.19	21.27	4,339,729	+0.40(+1.89%)
Apr 19, 2011	20.84	20.90	20.75	20.87	3,538,387	+0.10(+0.47%)
Apr 18, 2011	20.84	20.87	20.65	20.77	3,129,353	-0.33(-1.58%)
Apr 15, 2011	21.13	21.19	21.06	21.11	4,031,517	+0.20(+0.93%)
Apr 14, 2011	20.88	21.02	20.84	20.91	4,981,016	+0.13(+0.62%)
Apr 13, 2011	20.87	20.92	20.74	20.78	4,303,879	+0.13(+0.65%)
Apr 12, 2011	20.67	20.73	20.58	20.65	4,698,539	+0.11(+0.55%)
Apr 11, 2011	20.64	20.72	20.50	20.54	3,560,567	+0.05(+0.25%)
Apr 08, 2011	20.62	20.64	20.41	20.49	4,401,912	-0.02(-0.10%)
Apr 07, 2011	20.49	20.54	20.41	20.51	4,379,284	+0.12(+0.60%)
Apr 06, 2011	20.30	20.43	20.28	20.38	3,885,795	+0.05(+0.25%)
Apr 05, 2011	20.35	20.42	20.24	20.33	5,041,823	+0.16(+0.81%)
Apr 04, 2011	20.30	20.30	20.12	20.17	5,018,763	+0.27(+1.34%)
Apr 01, 2011	19.75	19.92	19.73	19.90	3,008,741	+0.19(+0.96%)
Mar 31, 2011	19.84	19.88	19.62	19.71	5,425,815	-0.04(-0.18%)
Mar 30, 2011	19.75	19.75	19.75	19.75	3,879,497	+0.17(+0.89%)
Mar 29, 2011	19.40	19.58	19.34	19.57	4,008,690	+0.17(+0.87%)
Mar 28, 2011	19.54	19.57	19.37	19.40	3,647,871	+0.05(+0.24%)
Mar 25, 2011	19.41	19.51	19.34	19.36	4,210,736	+0.05(+0.24%)
Mar 24, 2011	19.23	19.39	19.20	19.31	4,252,879	+0.01(+0.03%)
Mar 23, 2011	19.29	19.36	19.25	19.31	4,476,167	-0.18(-0.95%)
Mar 22, 2011	19.54	19.55	19.42	19.49	2,897,207	+0.09(+0.45%)
Mar 21, 2011	19.37	19.42	19.34	19.40	2,960,879	+0.24(+1.26%)
Mar 18, 2011	19.18	19.21	19.08	19.16	4,632,661	+0.00(+0.00%)
Mar 17, 2011	19.03	19.29	19.00	19.16	5,145,172	+0.38(+2.02%)
Mar 16, 2011	19.08	19.15	18.68	18.78	8,561,226	-0.52(-2.69%)
Mar 15, 2011	19.22	19.36	19.22	19.30	4,829,911	-0.50(-2.51%)
Mar 14, 2011	19.81	19.90	19.67	19.80	4,606,962	-0.08(-0.41%)
Mar 11, 2011	19.72	19.92	19.67	19.88	4,309,458	+0.17(+0.89%)
Mar 10, 2011	19.85	19.87	19.64	19.71	6,080,895	-0.09(-0.47%)
Mar 09, 2011	19.81	19.87	19.73	19.80	4,692,027	+0.22(+1.10%)
Mar 08, 2011	19.53	19.68	19.50	19.58	3,132,323	-0.04(-0.18%)
Mar 07, 2011	19.86	19.88	19.55	19.62	2,603,996	-0.13(-0.65%)
Mar 04, 2011	19.85	19.87	19.59	19.75	3,685,906	+0.04(+0.21%)
Mar 03, 2011	19.60	19.75	19.52	19.71	3,177,034	+0.17(+0.89%)
Mar 02, 2011	19.57	19.67	19.45	19.53	2,427,356	-0.05(-0.26%)
Mar 01, 2011	19.74	19.83	19.57	19.58	3,281,629	-0.23(-1.17%)
Feb 28, 2011	19.81	19.93	19.78	19.81	2,587,926	+0.17(+0.86%)
Feb 25, 2011	19.48	19.65	19.44	19.65	2,147,730	+0.08(+0.39%)
Feb 24, 2011	19.56	19.63	19.42	19.57	4,100,131	-0.05(-0.24%)
Feb 23, 2011	19.71	19.79	19.58	19.61	5,177,712	+0.08(+0.39%)
Feb 22, 2011	19.69	19.80	19.49	19.54	5,742,007	-0.55(-2.76%)
Feb 18, 2011	19.96	20.17	19.92	20.09	9,459,496	+0.31(+1.56%)
Feb 17, 2011	19.66	19.84	19.64	19.78	4,247,567	+0.08(+0.42%)
Feb 16, 2011	19.56	19.77	19.54	19.70	5,512,291	+0.06(+0.31%)
Feb 15, 2011	19.61	19.67	19.58	19.64	4,159,939	+0.02(+0.08%)
Feb 14, 2011	19.38	19.65	19.35	19.62	5,506,936	+0.25(+1.30%)
Feb 11, 2011	19.54	19.55	19.35	19.37	4,590,847	-0.20(-1.00%)
Feb 10, 2011	19.42	19.62	19.36	19.57	5,300,575	-0.07(-0.34%)
Feb 09, 2011	19.50	19.65	19.48	19.64	5,510,124	-0.06(-0.30%)
Feb 08, 2011	19.56	19.72	19.53	19.69	9,071,295	-0.07(-0.36%)
Feb 07, 2011	19.39	19.79	19.37	19.77	11,416,795	+0.57(+2.95%)
Feb 04, 2011	19.11	19.20	19.05	19.20	4,929,225	+0.00(+0.00%)
Feb 03, 2011	19.19	19.30	19.08	19.20	7,773,050	+0.52(+2.79%)
Feb 02, 2011	18.63	18.68	18.57	18.68	5,418,467	-0.21(-1.10%)

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