Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	56.74	57.08	56.70	56.91	5,272,495	-0.01(-0.02%)
Apr 28, 2011	56.26	56.96	56.25	56.92	6,146,768	+0.45(+0.79%)
Apr 27, 2011	56.01	56.51	55.84	56.48	6,451,056	+0.31(+0.55%)
Apr 26, 2011	55.62	56.55	55.26	56.16	13,667,724	+1.07(+1.93%)
Apr 25, 2011	55.15	55.22	54.60	55.10	3,736,157	+0.12(+0.21%)
Apr 21, 2011	55.08	55.28	54.83	54.98	5,007,056	+0.09(+0.17%)
Apr 20, 2011	54.43	55.27	54.40	54.89	6,219,135	+1.11(+2.07%)
Apr 19, 2011	53.65	53.88	53.55	53.78	4,159,603	+0.24(+0.45%)
Apr 18, 2011	53.82	53.82	53.03	53.54	6,214,451	-0.80(-1.48%)
Apr 15, 2011	54.38	54.53	53.85	54.34	5,315,517	-0.07(-0.13%)
Apr 14, 2011	54.11	54.57	53.71	54.41	3,913,150	+0.05(+0.09%)
Apr 13, 2011	54.48	54.59	54.18	54.36	4,843,588	+0.29(+0.53%)
Apr 12, 2011	54.56	54.60	53.88	54.07	6,683,399	-0.86(-1.57%)
Apr 11, 2011	54.79	55.40	54.68	54.94	5,503,282	+0.36(+0.67%)
Apr 08, 2011	54.79	54.88	54.22	54.57	4,209,997	+0.02(+0.03%)
Apr 07, 2011	54.74	54.99	54.21	54.55	5,875,626	-0.37(-0.67%)
Apr 06, 2011	54.99	55.09	54.57	54.92	4,268,994	+0.25(+0.46%)
Apr 05, 2011	54.74	55.03	54.46	54.67	3,939,003	-0.15(-0.27%)
Apr 04, 2011	54.26	54.93	54.26	54.82	3,344,311	+0.30(+0.55%)
Apr 01, 2011	54.75	55.22	54.22	54.52	6,059,341	-0.22(-0.40%)
Mar 31, 2011	54.10	54.84	54.07	54.74	5,476,333	+0.60(+1.11%)
Mar 30, 2011	54.13	54.13	54.13	54.13	6,093,397	-0.22(-0.40%)
Mar 29, 2011	54.02	54.39	53.80	54.35	3,795,993	+0.42(+0.78%)
Mar 28, 2011	54.10	54.34	53.93	53.93	4,124,599	-0.09(-0.16%)
Mar 25, 2011	54.37	54.42	53.93	54.02	4,698,530	-0.18(-0.33%)
Mar 24, 2011	54.22	54.43	53.79	54.20	4,436,137	+0.26(+0.48%)
Mar 23, 2011	53.05	54.24	53.04	53.94	6,795,908	+0.84(+1.59%)
Mar 22, 2011	53.25	53.55	52.93	53.10	3,531,451	-0.15(-0.27%)
Mar 21, 2011	53.68	53.74	53.19	53.24	6,110,066	+1.15(+2.21%)
Mar 18, 2011	52.52	52.75	51.83	52.09	8,248,533	+0.17(+0.33%)
Mar 17, 2011	51.86	52.08	51.55	51.92	6,119,941	+0.67(+1.30%)
Mar 16, 2011	52.14	52.24	50.88	51.25	10,919,027	-1.14(-2.18%)
Mar 15, 2011	51.80	52.74	51.67	52.39	9,013,725	-0.89(-1.67%)
Mar 14, 2011	53.40	53.40	52.63	53.28	6,064,963	-0.35(-0.64%)
Mar 11, 2011	52.52	53.89	52.52	53.63	6,002,079	+0.94(+1.78%)
Mar 10, 2011	54.05	54.05	52.69	52.69	8,709,768	-1.85(-3.39%)
Mar 09, 2011	54.75	54.88	54.20	54.54	3,618,682	-0.34(-0.62%)
Mar 08, 2011	54.07	55.12	54.03	54.88	6,191,087	+0.79(+1.46%)
Mar 07, 2011	54.20	54.77	53.87	54.09	6,477,731	+0.12(+0.23%)
Mar 04, 2011	54.27	54.61	53.48	53.97	4,736,327	-0.36(-0.67%)
Mar 03, 2011	53.77	54.68	53.77	54.33	5,229,232	+0.87(+1.63%)
Mar 02, 2011	52.83	53.98	52.83	53.46	4,799,151	+0.50(+0.95%)
Mar 01, 2011	53.97	54.06	52.95	52.96	6,846,520	-1.04(-1.92%)
Feb 28, 2011	53.80	54.23	53.33	53.99	8,194,749	+1.16(+2.19%)
Feb 25, 2011	52.54	53.08	52.51	52.83	4,884,538	+0.13(+0.24%)
Feb 24, 2011	52.94	53.11	52.26	52.70	6,826,036	-0.13(-0.25%)
Feb 23, 2011	54.19	54.20	52.61	52.84	9,158,123	-1.02(-1.89%)
Feb 22, 2011	54.29	54.82	53.75	53.86	8,596,107	-0.56(-1.03%)
Feb 18, 2011	54.29	54.43	53.89	54.42	5,867,910	+0.13(+0.25%)
Feb 17, 2011	53.94	54.42	53.87	54.29	5,353,653	+0.23(+0.43%)
Feb 16, 2011	53.54	54.41	53.54	54.05	6,672,934	+0.46(+0.86%)
Feb 15, 2011	53.31	53.67	53.01	53.59	5,101,998	+0.06(+0.11%)
Feb 14, 2011	53.43	53.76	53.43	53.53	5,869,499	+0.06(+0.11%)
Feb 11, 2011	52.62	53.56	52.46	53.47	5,854,188	+0.70(+1.34%)
Feb 10, 2011	52.56	52.82	52.40	52.77	4,785,443	-0.11(-0.21%)
Feb 09, 2011	52.12	52.91	52.22	52.88	8,217,324	+0.76(+1.46%)
Feb 08, 2011	51.82	52.13	51.71	52.12	4,649,938	+0.40(+0.77%)
Feb 07, 2011	51.36	51.99	51.15	51.72	4,500,790	+0.29(+0.57%)
Feb 04, 2011	51.21	51.49	51.06	51.43	3,388,658	+0.22(+0.43%)
Feb 03, 2011	51.15	51.42	51.00	51.21	3,402,864	+0.09(+0.18%)
Feb 02, 2011	51.07	51.52	51.07	51.11	4,965,775	-0.02(-0.05%)

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