Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	57.04	57.25	56.99	57.15	386,053	+0.12(+0.21%)
Apr 28, 2011	56.55	57.13	56.55	57.03	487,466	+0.03(+0.05%)
Apr 27, 2011	56.34	57.11	56.25	57.00	884,746	+1.33(+2.38%)
Apr 26, 2011	55.61	55.89	55.42	55.67	568,253	+0.06(+0.11%)
Apr 25, 2011	55.60	55.72	55.49	55.61	221,379	-0.16(-0.29%)
Apr 21, 2011	55.99	56.08	55.67	55.77	387,270	+0.28(+0.51%)
Apr 20, 2011	55.89	56.00	55.46	55.49	429,230	+0.33(+0.60%)
Apr 19, 2011	54.94	55.28	54.89	55.16	391,965	+0.97(+1.79%)
Apr 18, 2011	54.16	54.36	53.72	54.19	787,859	-1.17(-2.12%)
Apr 15, 2011	55.06	55.56	54.96	55.36	432,108	+0.39(+0.72%)
Apr 14, 2011	54.87	55.12	54.67	54.97	599,779	+0.32(+0.58%)
Apr 13, 2011	54.89	55.06	54.54	54.66	480,246	+0.51(+0.95%)
Apr 12, 2011	54.63	54.66	54.05	54.14	1,026,702	-0.62(-1.13%)
Apr 11, 2011	54.99	55.10	54.62	54.76	358,889	-0.37(-0.68%)
Apr 08, 2011	55.32	55.32	54.96	55.13	393,767	+0.08(+0.14%)
Apr 07, 2011	54.94	55.46	54.80	55.06	463,750	-0.04(-0.06%)
Apr 06, 2011	55.06	55.36	54.86	55.09	564,085	+0.19(+0.35%)
Apr 05, 2011	54.52	54.99	54.40	54.90	635,799	+1.00(+1.85%)
Apr 04, 2011	54.23	54.27	53.84	53.90	449,584	-0.10(-0.18%)
Apr 01, 2011	53.85	54.28	53.69	54.00	539,644	+0.47(+0.88%)
Mar 31, 2011	53.70	53.93	53.45	53.53	544,762	+0.37(+0.69%)
Mar 30, 2011	52.96	53.29	52.68	53.17	752,603	+0.71(+1.35%)
Mar 29, 2011	51.99	52.53	51.92	52.46	652,727	+0.06(+0.12%)
Mar 28, 2011	52.49	52.63	52.34	52.39	1,025,567	-0.28(-0.53%)
Mar 25, 2011	52.42	52.91	52.36	52.67	542,200	+0.21(+0.40%)
Mar 24, 2011	52.25	52.75	52.17	52.46	568,085	+0.12(+0.23%)
Mar 23, 2011	51.97	52.58	51.91	52.34	1,053,683	-0.12(-0.23%)
Mar 22, 2011	52.45	52.63	52.31	52.46	1,071,564	-0.24(-0.45%)
Mar 21, 2011	52.57	52.84	52.51	52.70	803,749	+0.81(+1.57%)
Mar 18, 2011	52.16	52.19	51.72	51.89	723,141	+0.46(+0.89%)
Mar 17, 2011	51.41	51.85	51.22	51.43	781,881	+0.96(+1.89%)
Mar 16, 2011	51.57	51.68	50.04	50.48	2,236,081	-1.38(-2.65%)
Mar 15, 2011	51.54	51.97	51.53	51.85	1,558,922	-1.62(-3.02%)
Mar 14, 2011	53.01	53.50	52.98	53.47	944,830	+0.03(+0.05%)
Mar 11, 2011	52.93	53.65	52.93	53.44	669,472	-0.20(-0.38%)
Mar 10, 2011	53.50	53.88	53.40	53.64	1,005,827	-1.04(-1.90%)
Mar 09, 2011	54.50	54.72	54.31	54.68	533,662	-0.04(-0.08%)
Mar 08, 2011	54.00	54.86	53.81	54.73	812,343	+0.27(+0.50%)
Mar 07, 2011	54.62	54.83	54.28	54.45	1,113,920	-0.44(-0.79%)
Mar 04, 2011	54.75	54.94	54.31	54.89	825,575	+0.12(+0.22%)
Mar 03, 2011	54.58	54.84	54.23	54.77	816,507	+0.58(+1.08%)
Mar 02, 2011	54.47	54.74	54.08	54.19	566,491	-0.24(-0.44%)
Mar 01, 2011	54.91	55.00	54.40	54.43	870,024	+0.16(+0.29%)
Feb 28, 2011	54.34	54.59	54.15	54.27	667,959	+0.34(+0.63%)
Feb 25, 2011	53.79	53.95	53.62	53.93	386,257	+0.46(+0.87%)
Feb 24, 2011	53.43	53.61	53.21	53.46	596,793	+0.36(+0.68%)
Feb 23, 2011	53.96	54.13	53.08	53.10	982,071	-0.37(-0.69%)
Feb 22, 2011	53.34	53.92	53.25	53.47	687,393	-0.66(-1.22%)
Feb 18, 2011	53.88	54.23	53.81	54.13	572,783	+0.63(+1.18%)
Feb 17, 2011	53.16	53.57	53.11	53.50	465,381	-0.11(-0.21%)
Feb 16, 2011	53.59	53.68	53.20	53.61	493,016	+0.17(+0.32%)
Feb 15, 2011	53.67	53.77	53.29	53.44	887,084	+0.48(+0.90%)
Feb 14, 2011	52.94	53.16	52.89	52.96	933,349	-0.60(-1.11%)
Feb 11, 2011	53.60	53.64	53.21	53.55	1,119,709	+0.37(+0.70%)
Feb 10, 2011	53.34	53.46	52.84	53.18	2,280,438	-2.81(-5.02%)
Feb 09, 2011	55.80	56.02	55.68	55.99	1,357,696	+0.15(+0.27%)
Feb 08, 2011	55.63	55.93	55.52	55.83	916,182	+0.27(+0.49%)
Feb 07, 2011	55.24	55.75	55.18	55.56	886,319	+0.52(+0.94%)
Feb 04, 2011	54.86	55.13	54.81	55.04	851,513	+0.49(+0.89%)
Feb 03, 2011	54.63	54.70	54.20	54.56	1,006,810	+0.36(+0.67%)
Feb 02, 2011	54.30	54.36	53.94	54.20	3,046,469	+0.49(+0.92%)

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