Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	22.58	22.74	22.52	22.72	3,944,346	+0.06(+0.25%)
Apr 28, 2011	22.67	22.75	22.55	22.67	16,410,958	+0.23(+1.02%)
Apr 27, 2011	21.99	22.49	21.92	22.44	15,218,367	+0.72(+3.33%)
Apr 26, 2011	21.38	21.75	21.32	21.72	4,335,152	+0.22(+1.04%)
Apr 25, 2011	21.45	21.53	21.42	21.49	1,963,808	-0.05(-0.22%)
Apr 21, 2011	21.66	21.66	21.43	21.54	2,398,644	-0.03(-0.14%)
Apr 20, 2011	21.55	21.62	21.49	21.57	4,278,948	+0.40(+1.89%)
Apr 19, 2011	21.14	21.19	21.05	21.17	3,488,830	+0.10(+0.47%)
Apr 18, 2011	21.13	21.16	20.94	21.07	3,085,525	-0.34(-1.58%)
Apr 15, 2011	21.43	21.49	21.36	21.41	3,975,053	+0.20(+0.93%)
Apr 14, 2011	21.17	21.31	21.14	21.21	4,911,253	+0.13(+0.62%)
Apr 13, 2011	21.16	21.22	21.04	21.08	4,243,601	+0.14(+0.65%)
Apr 12, 2011	20.96	21.02	20.87	20.94	4,632,733	+0.11(+0.55%)
Apr 11, 2011	20.93	21.01	20.79	20.83	3,510,699	+0.05(+0.25%)
Apr 08, 2011	20.91	20.93	20.70	20.78	4,340,260	-0.02(-0.10%)
Apr 07, 2011	20.78	20.84	20.70	20.80	4,317,949	+0.12(+0.60%)
Apr 06, 2011	20.59	20.72	20.56	20.67	3,831,372	+0.05(+0.25%)
Apr 05, 2011	20.64	20.71	20.52	20.62	4,971,210	+0.17(+0.81%)
Apr 04, 2011	20.59	20.59	20.40	20.46	4,948,472	+0.27(+1.34%)
Apr 01, 2011	20.03	20.20	20.01	20.18	2,966,602	+0.19(+0.96%)
Mar 31, 2011	20.12	20.16	19.90	19.99	5,349,823	-0.04(-0.18%)
Mar 30, 2011	20.03	20.03	20.03	20.03	3,825,162	+0.18(+0.89%)
Mar 29, 2011	19.67	19.86	19.61	19.85	3,952,546	+0.17(+0.87%)
Mar 28, 2011	19.82	19.85	19.64	19.68	3,596,780	+0.05(+0.24%)
Mar 25, 2011	19.69	19.79	19.62	19.63	4,151,762	+0.05(+0.24%)
Mar 24, 2011	19.50	19.67	19.47	19.59	4,193,314	+0.01(+0.03%)
Mar 23, 2011	19.56	19.63	19.53	19.58	4,413,475	-0.19(-0.95%)
Mar 22, 2011	19.82	19.83	19.70	19.77	2,856,630	+0.09(+0.45%)
Mar 21, 2011	19.64	19.70	19.61	19.68	2,919,410	+0.24(+1.26%)
Mar 18, 2011	19.45	19.48	19.35	19.44	4,567,778	+0.00(+0.00%)
Mar 17, 2011	19.30	19.56	19.27	19.44	5,073,110	+0.39(+2.02%)
Mar 16, 2011	19.35	19.42	18.94	19.05	8,441,321	-0.53(-2.69%)
Mar 15, 2011	19.49	19.63	19.49	19.58	4,762,265	-0.50(-2.51%)
Mar 14, 2011	20.10	20.18	19.95	20.08	4,542,438	-0.08(-0.41%)
Mar 11, 2011	20.00	20.21	19.95	20.16	4,249,101	+0.18(+0.89%)
Mar 10, 2011	20.13	20.15	19.91	19.99	5,995,729	-0.09(-0.47%)
Mar 09, 2011	20.10	20.15	20.01	20.08	4,626,312	+0.22(+1.10%)
Mar 08, 2011	19.81	19.96	19.78	19.86	3,088,453	-0.04(-0.18%)
Mar 07, 2011	20.14	20.16	19.82	19.90	2,567,525	-0.13(-0.65%)
Mar 04, 2011	20.13	20.15	19.87	20.03	3,634,283	+0.04(+0.21%)
Mar 03, 2011	19.88	20.03	19.80	19.99	3,132,537	+0.18(+0.89%)
Mar 02, 2011	19.85	19.95	19.73	19.81	2,393,359	-0.05(-0.26%)
Mar 01, 2011	20.02	20.11	19.85	19.86	3,235,668	-0.23(-1.17%)
Feb 28, 2011	20.10	20.21	20.06	20.10	2,551,681	+0.17(+0.86%)
Feb 25, 2011	19.76	19.92	19.72	19.92	2,117,649	+0.08(+0.39%)
Feb 24, 2011	19.84	19.91	19.70	19.85	4,042,706	-0.05(-0.24%)
Feb 23, 2011	19.99	20.07	19.86	19.89	5,105,195	+0.08(+0.39%)
Feb 22, 2011	19.97	20.08	19.76	19.82	5,661,586	-0.56(-2.76%)
Feb 18, 2011	20.25	20.46	20.21	20.38	9,327,009	+0.31(+1.56%)
Feb 17, 2011	19.93	20.12	19.92	20.07	4,188,077	+0.08(+0.42%)
Feb 16, 2011	19.84	20.05	19.82	19.98	5,435,087	+0.06(+0.31%)
Feb 15, 2011	19.89	19.95	19.86	19.92	4,101,677	+0.02(+0.08%)
Feb 14, 2011	19.65	19.92	19.63	19.90	5,429,808	+0.25(+1.30%)
Feb 11, 2011	19.82	19.83	19.63	19.65	4,526,550	-0.20(-1.00%)
Feb 10, 2011	19.70	19.90	19.64	19.85	5,226,337	-0.07(-0.34%)
Feb 09, 2011	19.78	19.93	19.76	19.91	5,432,951	-0.06(-0.30%)
Feb 08, 2011	19.84	20.00	19.80	19.97	8,944,318	-0.07(-0.36%)
Feb 07, 2011	19.67	20.07	19.64	20.05	11,256,986	+0.57(+2.95%)
Feb 04, 2011	19.38	19.47	19.32	19.47	4,860,227	+0.00(+0.00%)
Feb 03, 2011	19.47	19.57	19.35	19.47	7,664,245	+0.53(+2.79%)
Feb 02, 2011	18.89	18.95	18.84	18.94	5,342,621	-0.21(-1.10%)

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