Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	58.46	58.68	58.42	58.57	376,655	+0.12(+0.21%)
Apr 28, 2011	57.96	58.56	57.96	58.45	475,600	+0.03(+0.05%)
Apr 27, 2011	57.75	58.54	57.65	58.42	863,210	+1.36(+2.38%)
Apr 26, 2011	57.00	57.29	56.80	57.06	554,420	+0.06(+0.11%)
Apr 25, 2011	56.98	57.11	56.88	57.00	215,990	-0.17(-0.29%)
Apr 21, 2011	57.39	57.48	57.06	57.16	377,843	+0.29(+0.51%)
Apr 20, 2011	57.29	57.40	56.85	56.88	418,782	+0.34(+0.60%)
Apr 19, 2011	56.31	56.66	56.26	56.54	382,423	+0.99(+1.79%)
Apr 18, 2011	55.52	55.72	55.06	55.54	768,681	-1.20(-2.12%)
Apr 15, 2011	56.44	56.95	56.34	56.75	421,589	+0.40(+0.72%)
Apr 14, 2011	56.24	56.49	56.03	56.34	585,179	+0.32(+0.58%)
Apr 13, 2011	56.26	56.44	55.90	56.02	468,556	+0.53(+0.95%)
Apr 12, 2011	56.00	56.03	55.40	55.49	1,001,710	-0.63(-1.13%)
Apr 11, 2011	56.36	56.47	55.98	56.13	350,153	-0.38(-0.68%)
Apr 08, 2011	56.70	56.70	56.34	56.51	384,182	+0.08(+0.14%)
Apr 07, 2011	56.31	56.84	56.17	56.43	452,461	-0.04(-0.06%)
Apr 06, 2011	56.44	56.75	56.23	56.47	550,354	+0.19(+0.35%)
Apr 05, 2011	55.88	56.36	55.76	56.27	620,322	+1.02(+1.85%)
Apr 04, 2011	55.58	55.62	55.18	55.25	438,640	-0.10(-0.18%)
Apr 01, 2011	55.19	55.64	55.03	55.35	526,508	+0.48(+0.88%)
Mar 31, 2011	55.04	55.28	54.78	54.87	531,502	+0.37(+0.69%)
Mar 30, 2011	54.28	54.62	54.00	54.49	734,282	+0.73(+1.35%)
Mar 29, 2011	53.28	53.85	53.21	53.77	636,838	+0.06(+0.12%)
Mar 28, 2011	53.79	53.94	53.64	53.70	1,000,602	-0.29(-0.53%)
Mar 25, 2011	53.73	54.23	53.67	53.99	529,001	+0.22(+0.40%)
Mar 24, 2011	53.56	54.06	53.47	53.77	554,256	+0.12(+0.23%)
Mar 23, 2011	53.27	53.89	53.20	53.65	1,028,034	-0.12(-0.23%)
Mar 22, 2011	53.76	53.94	53.61	53.77	1,045,479	-0.24(-0.45%)
Mar 21, 2011	53.88	54.15	53.82	54.02	784,184	+0.84(+1.57%)
Mar 18, 2011	53.46	53.49	53.01	53.18	705,538	+0.47(+0.89%)
Mar 17, 2011	52.69	53.14	52.50	52.72	762,848	+0.98(+1.89%)
Mar 16, 2011	52.86	52.97	51.29	51.74	2,181,650	-1.41(-2.65%)
Mar 15, 2011	52.82	53.27	52.82	53.15	1,520,975	-1.66(-3.02%)
Mar 14, 2011	54.33	54.84	54.31	54.80	921,831	+0.03(+0.05%)
Mar 11, 2011	54.25	54.99	54.25	54.77	653,176	-0.21(-0.38%)
Mar 10, 2011	54.83	55.22	54.73	54.98	981,343	-1.07(-1.90%)
Mar 09, 2011	55.86	56.08	55.67	56.05	520,672	-0.04(-0.08%)
Mar 08, 2011	55.35	56.23	55.16	56.09	792,569	+0.28(+0.50%)
Mar 07, 2011	55.98	56.20	55.63	55.81	1,086,804	-0.45(-0.79%)
Mar 04, 2011	56.11	56.31	55.67	56.26	805,479	+0.12(+0.22%)
Mar 03, 2011	55.94	56.21	55.59	56.13	796,631	+0.60(+1.08%)
Mar 02, 2011	55.83	56.11	55.43	55.54	552,702	-0.24(-0.43%)
Mar 01, 2011	56.27	56.37	55.75	55.78	848,986	+0.16(+0.29%)
Feb 28, 2011	55.68	55.95	55.49	55.61	651,807	+0.35(+0.63%)
Feb 25, 2011	55.12	55.28	54.94	55.26	376,917	+0.48(+0.87%)
Feb 24, 2011	54.75	54.94	54.53	54.79	582,362	+0.37(+0.68%)
Feb 23, 2011	55.30	55.47	54.40	54.42	958,324	-0.38(-0.69%)
Feb 22, 2011	54.66	55.26	54.57	54.79	670,771	-0.68(-1.22%)
Feb 18, 2011	55.22	55.58	55.14	55.47	558,933	+0.65(+1.18%)
Feb 17, 2011	54.48	54.89	54.43	54.82	454,127	-0.11(-0.21%)
Feb 16, 2011	54.92	55.01	54.52	54.94	481,095	+0.18(+0.32%)
Feb 15, 2011	55.00	55.10	54.61	54.76	865,634	+0.49(+0.90%)
Feb 14, 2011	54.25	54.47	54.20	54.27	910,780	-0.61(-1.11%)
Feb 11, 2011	54.93	54.97	54.52	54.88	1,092,634	+0.38(+0.70%)
Feb 10, 2011	54.67	54.79	54.15	54.50	2,225,294	-2.88(-5.02%)
Feb 09, 2011	57.18	57.41	57.06	57.37	1,324,866	+0.16(+0.27%)
Feb 08, 2011	57.00	57.32	56.89	57.22	894,028	+0.28(+0.49%)
Feb 07, 2011	56.61	57.13	56.55	56.94	864,886	+0.53(+0.94%)
Feb 04, 2011	56.22	56.49	56.17	56.41	830,922	+0.50(+0.89%)
Feb 03, 2011	55.99	56.06	55.55	55.91	982,464	+0.37(+0.67%)
Feb 02, 2011	55.65	55.70	55.28	55.54	2,972,802	+0.50(+0.92%)

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