Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	37.70	37.80	37.38	37.59	562,536	-0.09(-0.25%)
May 23, 2011	37.61	38.01	37.45	37.68	528,020	-0.40(-1.04%)
May 20, 2011	38.07	38.47	37.77	38.08	355,505	+0.01(+0.02%)
May 19, 2011	37.89	38.57	37.89	38.07	498,590	+0.26(+0.68%)
May 18, 2011	37.55	37.93	37.21	37.81	829,429	+0.14(+0.37%)
May 17, 2011	38.23	38.44	37.60	37.68	908,939	-0.63(-1.64%)
May 16, 2011	38.87	38.87	38.26	38.30	785,843	-0.63(-1.62%)
May 13, 2011	39.34	39.42	38.83	38.93	638,180	-0.33(-0.84%)
May 12, 2011	39.13	39.75	38.95	39.27	749,095	+0.02(+0.05%)
May 11, 2011	39.93	40.01	39.09	39.25	703,859	-0.68(-1.71%)
May 10, 2011	39.38	40.16	39.17	39.93	866,143	+0.58(+1.48%)
May 09, 2011	38.42	39.48	38.32	39.34	954,749	+0.94(+2.45%)
May 06, 2011	38.15	38.92	37.93	38.40	854,909	+0.67(+1.77%)
May 05, 2011	37.74	38.54	37.68	37.73	685,071	-0.33(-0.87%)
May 04, 2011	37.18	38.58	36.93	38.07	1,347,951	+0.25(+0.65%)
May 03, 2011	37.18	38.74	36.11	37.82	2,722,288	+0.38(+1.01%)
May 02, 2011	37.44	37.56	37.36	37.44	2,582,008	+0.03(+0.09%)
Apr 29, 2011	37.99	38.20	37.09	37.41	1,388,194	-0.51(-1.35%)
Apr 28, 2011	38.40	38.56	37.81	37.92	701,998	-0.49(-1.28%)
Apr 27, 2011	38.23	38.48	38.15	38.41	1,112,516	+0.21(+0.55%)
Apr 26, 2011	38.07	38.32	38.01	38.20	470,408	+0.20(+0.52%)
Apr 25, 2011	37.91	38.11	37.88	38.00	424,361	-0.08(-0.21%)
Apr 21, 2011	37.80	38.25	37.60	38.08	486,181	+0.48(+1.29%)
Apr 20, 2011	38.01	38.11	37.53	37.60	552,315	+0.00(+0.00%)
Apr 19, 2011	37.34	37.99	37.32	37.60	726,165	+0.28(+0.75%)
Apr 18, 2011	37.54	37.57	37.05	37.32	898,719	-0.70(-1.83%)
Apr 15, 2011	37.62	38.24	37.41	38.01	749,675	+0.54(+1.43%)
Apr 14, 2011	37.32	37.50	36.72	37.48	1,137,375	-0.14(-0.37%)
Apr 13, 2011	38.66	38.79	37.56	37.62	942,851	-0.86(-2.24%)
Apr 12, 2011	38.72	39.06	38.31	38.48	534,339	-0.46(-1.17%)
Apr 11, 2011	38.93	39.13	38.66	38.93	429,864	+0.10(+0.26%)
Apr 08, 2011	39.38	39.50	38.62	38.83	365,069	-0.33(-0.85%)
Apr 07, 2011	39.43	39.74	39.16	39.17	444,155	-0.30(-0.76%)
Apr 06, 2011	39.48	39.73	38.87	39.46	574,441	+0.02(+0.05%)
Apr 05, 2011	39.30	39.75	39.27	39.44	939,885	+0.12(+0.30%)
Apr 04, 2011	38.84	39.48	38.79	39.32	859,771	+0.64(+1.64%)
Apr 01, 2011	38.49	38.76	38.40	38.69	639,154	+0.36(+0.95%)
Mar 31, 2011	38.39	38.58	38.21	38.32	795,604	-0.07(-0.17%)
Mar 30, 2011	38.66	38.81	38.26	38.39	579,993	-0.11(-0.28%)
Mar 29, 2011	38.15	38.58	38.09	38.50	442,465	+0.35(+0.92%)
Mar 28, 2011	38.64	38.85	38.11	38.15	384,845	-0.46(-1.20%)
Mar 25, 2011	38.26	38.91	38.13	38.61	527,439	+0.41(+1.08%)
Mar 24, 2011	38.19	38.23	37.66	38.20	422,375	+0.27(+0.72%)
Mar 23, 2011	37.55	38.04	37.26	37.93	648,146	+0.31(+0.83%)
Mar 22, 2011	37.60	37.85	37.16	37.62	468,897	-0.01(-0.02%)
Mar 21, 2011	37.78	37.87	37.59	37.62	436,489	+0.40(+1.07%)
Mar 18, 2011	36.95	37.28	36.75	37.22	621,547	+0.65(+1.77%)
Mar 17, 2011	37.09	37.10	36.42	36.58	374,022	+0.00(+0.00%)
Mar 16, 2011	36.88	37.17	36.26	36.58	593,962	-0.32(-0.88%)
Mar 15, 2011	36.87	37.87	36.84	36.90	808,609	-0.97(-2.55%)
Mar 14, 2011	36.83	37.89	36.60	37.87	839,606	+0.83(+2.24%)
Mar 11, 2011	37.03	37.60	36.92	37.04	534,395	-0.18(-0.48%)
Mar 10, 2011	37.11	37.56	37.00	37.22	774,933	-0.33(-0.88%)
Mar 09, 2011	37.07	37.60	36.77	37.55	821,006	+0.32(+0.85%)
Mar 08, 2011	36.60	37.35	36.55	37.23	1,013,344	+0.76(+2.09%)
Mar 07, 2011	37.07	37.10	36.29	36.47	448,181	-0.46(-1.24%)
Mar 04, 2011	36.88	36.93	36.47	36.93	365,341	+0.19(+0.50%)
Mar 03, 2011	36.75	37.22	36.69	36.74	712,928	+0.34(+0.93%)
Mar 02, 2011	36.30	36.84	36.28	36.40	613,565	+0.11(+0.31%)

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