Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	51.90	51.93	51.79	51.83	167,323	+0.02(+0.04%)
Apr 27, 2012	51.77	51.93	51.75	51.81	213,882	+0.04(+0.08%)
Apr 26, 2012	51.63	51.78	51.62	51.77	171,732	+0.10(+0.19%)
Apr 25, 2012	51.64	51.67	51.51	51.67	201,930	+0.27(+0.53%)
Apr 24, 2012	51.44	51.53	51.38	51.40	191,808	+0.04(+0.08%)
Apr 23, 2012	51.34	51.40	51.27	51.36	160,191	-0.27(-0.52%)
Apr 20, 2012	51.53	51.71	51.53	51.63	89,924	+0.21(+0.41%)
Apr 19, 2012	51.46	51.51	51.39	51.42	177,165	-0.06(-0.12%)
Apr 18, 2012	51.41	51.60	51.41	51.48	327,607	-0.15(-0.29%)
Apr 17, 2012	51.48	51.68	51.48	51.63	240,747	+0.18(+0.35%)
Apr 16, 2012	51.47	51.47	51.30	51.45	223,334	+0.05(+0.10%)
Apr 13, 2012	51.61	51.66	51.32	51.40	305,815	-0.20(-0.39%)
Apr 12, 2012	51.46	51.73	51.46	51.60	122,399	+0.33(+0.64%)
Apr 11, 2012	51.30	51.57	51.27	51.27	537,831	+0.02(+0.04%)
Apr 10, 2012	51.44	51.46	51.17	51.25	247,094	-0.34(-0.66%)
Apr 09, 2012	51.55	51.69	51.50	51.59	181,210	-0.21(-0.41%)
Apr 05, 2012	51.73	51.80	51.68	51.80	136,698	-0.08(-0.15%)
Apr 04, 2012	51.68	51.93	51.68	51.88	494,699	-0.12(-0.23%)
Apr 03, 2012	51.97	52.20	51.92	52.00	320,875	+0.02(+0.04%)
Apr 02, 2012	51.76	52.08	51.76	51.98	198,703	+0.09(+0.17%)
Mar 30, 2012	51.85	51.92	51.66	51.89	156,422	+0.10(+0.19%)
Mar 29, 2012	51.55	51.80	51.51	51.79	255,773	+0.03(+0.06%)
Mar 28, 2012	51.83	51.92	51.71	51.76	227,598	-0.23(-0.44%)
Mar 27, 2012	51.95	52.02	51.92	51.99	311,901	-0.04(-0.08%)
Mar 26, 2012	51.96	52.03	51.91	52.03	218,553	+0.11(+0.21%)
Mar 23, 2012	51.66	51.92	51.65	51.92	168,617	+0.30(+0.58%)
Mar 22, 2012	51.64	51.68	51.52	51.62	174,533	-0.10(-0.19%)
Mar 21, 2012	51.82	51.91	51.72	51.72	177,389	-0.18(-0.35%)
Mar 20, 2012	51.83	51.92	51.72	51.90	305,254	-0.31(-0.59%)
Mar 19, 2012	52.03	52.24	52.03	52.21	178,085	+0.17(+0.33%)
Mar 16, 2012	51.87	52.12	51.86	52.04	131,265	+0.16(+0.31%)
Mar 15, 2012	51.85	51.97	51.80	51.88	369,755	+0.15(+0.29%)
Mar 14, 2012	52.00	52.02	51.73	51.73	270,433	-0.54(-1.03%)
Mar 13, 2012	52.09	52.32	52.04	52.27	133,690	+0.03(+0.06%)
Mar 12, 2012	52.23	52.27	52.11	52.24	106,445	-0.29(-0.55%)
Mar 09, 2012	52.58	52.58	52.47	52.53	182,664	-0.09(-0.17%)
Mar 08, 2012	52.38	52.64	52.30	52.62	129,838	+0.44(+0.84%)
Mar 07, 2012	51.85	52.21	51.85	52.18	204,934	+0.28(+0.54%)
Mar 06, 2012	51.95	52.05	51.85	51.90	258,334	-0.51(-0.97%)
Mar 05, 2012	52.48	52.54	52.40	52.41	700,494	-0.18(-0.34%)
Mar 02, 2012	52.65	52.65	52.47	52.59	774,833	-0.17(-0.32%)
Mar 01, 2012	52.61	52.77	52.55	52.76	753,839	+0.18(+0.34%)
Feb 29, 2012	52.76	52.92	52.49	52.58	457,226	+0.04(+0.08%)
Feb 28, 2012	52.59	52.62	52.46	52.54	452,195	+0.08(+0.15%)
Feb 27, 2012	52.33	52.56	52.32	52.46	328,727	-0.05(-0.10%)
Feb 24, 2012	52.54	52.64	52.48	52.51	429,062	-0.09(-0.17%)
Feb 23, 2012	52.51	52.60	52.42	52.60	466,101	+0.35(+0.67%)
Feb 22, 2012	52.38	52.46	52.25	52.25	379,000	-0.17(-0.32%)
Feb 21, 2012	52.45	52.52	52.39	52.42	543,536	-0.13(-0.25%)
Feb 17, 2012	52.51	52.58	52.40	52.55	230,215	+0.21(+0.40%)
Feb 16, 2012	51.99	52.37	51.96	52.34	157,903	+0.09(+0.17%)
Feb 15, 2012	52.40	52.48	52.19	52.25	132,222	-0.09(-0.17%)
Feb 14, 2012	52.21	52.39	52.21	52.34	256,560	-0.14(-0.27%)
Feb 13, 2012	52.52	52.56	52.27	52.48	339,379	+0.21(+0.40%)
Feb 10, 2012	52.45	52.45	52.15	52.27	140,851	-0.40(-0.76%)
Feb 09, 2012	52.63	52.82	52.63	52.67	236,832	+0.01(+0.02%)
Feb 08, 2012	52.70	52.87	52.61	52.66	286,578	-0.02(-0.04%)
Feb 07, 2012	52.60	52.72	52.50	52.68	146,749	+0.16(+0.30%)
Feb 06, 2012	52.39	52.59	52.21	52.52	189,901	+0.05(+0.10%)
Feb 03, 2012	52.20	52.91	52.20	52.47	387,742	+0.31(+0.59%)
Feb 02, 2012	52.10	52.25	52.02	52.16	352,554	+0.10(+0.19%)

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