Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	81.78	82.00	81.68	81.97	46,821	+0.20(+0.25%)
Apr 28, 2011	81.72	81.83	81.62	81.77	65,781	+0.14(+0.17%)
Apr 27, 2011	81.61	81.70	81.43	81.63	57,154	-0.03(-0.04%)
Apr 26, 2011	81.56	81.75	81.47	81.66	62,882	+0.16(+0.19%)
Apr 25, 2011	81.33	81.51	81.32	81.51	41,453	+0.20(+0.25%)
Apr 21, 2011	81.44	81.46	81.25	81.31	43,463	+0.02(+0.02%)
Apr 20, 2011	81.42	81.42	81.24	81.29	67,711	-0.14(-0.17%)
Apr 19, 2011	81.34	81.48	81.29	81.43	41,255	+0.17(+0.21%)
Apr 18, 2011	80.95	81.29	80.81	81.26	40,559	+0.18(+0.22%)
Apr 15, 2011	81.02	81.13	80.89	81.08	29,112	+0.52(+0.64%)
Apr 14, 2011	80.77	80.83	80.53	80.56	51,101	-0.27(-0.33%)
Apr 13, 2011	80.33	80.83	80.30	80.83	43,224	+0.26(+0.32%)
Apr 12, 2011	80.53	80.70	80.52	80.58	43,746	+0.22(+0.28%)
Apr 11, 2011	80.30	80.41	80.18	80.35	26,601	+0.06(+0.08%)
Apr 08, 2011	80.30	80.39	80.20	80.29	54,508	-0.11(-0.13%)
Apr 07, 2011	80.42	80.45	80.23	80.40	36,511	-0.03(-0.04%)
Apr 06, 2011	80.56	80.65	80.43	80.43	41,100	-0.25(-0.31%)
Apr 05, 2011	80.66	80.75	80.56	80.68	153,366	-0.07(-0.09%)
Apr 04, 2011	80.52	80.85	80.52	80.75	159,359	+0.09(+0.12%)
Apr 01, 2011	80.09	80.66	80.09	80.66	38,527	+0.24(+0.30%)
Mar 31, 2011	80.64	80.70	80.38	80.41	52,208	-0.12(-0.15%)
Mar 30, 2011	80.52	80.61	80.29	80.54	46,858	+0.11(+0.13%)
Mar 29, 2011	80.45	80.49	80.27	80.43	112,365	-0.16(-0.20%)
Mar 28, 2011	80.39	80.61	80.35	80.59	67,129	+0.04(+0.05%)
Mar 25, 2011	80.78	80.81	80.44	80.55	34,304	-0.16(-0.20%)
Mar 24, 2011	80.81	80.81	80.57	80.71	34,934	-0.12(-0.15%)
Mar 23, 2011	80.98	81.13	80.78	80.83	29,776	-0.13(-0.16%)
Mar 22, 2011	80.82	80.96	80.79	80.96	44,158	+0.02(+0.02%)
Mar 21, 2011	80.86	81.04	80.86	80.95	47,620	-0.15(-0.19%)
Mar 18, 2011	80.69	81.15	80.69	81.10	88,039	+0.01(+0.01%)
Mar 17, 2011	80.98	81.19	80.87	81.09	59,806	-0.30(-0.37%)
Mar 16, 2011	81.02	81.68	81.02	81.39	86,669	+0.61(+0.75%)
Mar 15, 2011	80.97	80.97	80.68	80.78	60,627	-0.04(-0.05%)
Mar 14, 2011	80.86	80.98	80.76	80.82	67,964	+0.06(+0.08%)
Mar 11, 2011	80.81	80.81	80.59	80.76	34,384	+0.02(+0.03%)
Mar 10, 2011	80.42	80.79	80.34	80.74	40,115	+0.33(+0.41%)
Mar 09, 2011	80.25	80.51	80.20	80.41	44,317	+0.24(+0.30%)
Mar 08, 2011	80.17	80.20	80.02	80.17	42,311	-0.04(-0.06%)
Mar 07, 2011	80.14	80.40	79.95	80.21	39,239	-0.09(-0.12%)
Mar 04, 2011	79.98	80.38	79.96	80.31	98,507	+0.35(+0.44%)
Mar 03, 2011	80.10	80.18	79.88	79.95	61,161	-0.40(-0.50%)
Mar 02, 2011	80.53	80.66	80.32	80.35	92,515	-0.21(-0.26%)
Mar 01, 2011	80.28	80.63	80.28	80.56	76,821	-0.03(-0.04%)
Feb 28, 2011	80.50	80.60	80.41	80.60	67,693	+0.19(+0.24%)
Feb 25, 2011	80.23	80.45	80.22	80.40	122,143	+0.18(+0.22%)
Feb 24, 2011	80.27	80.40	80.15	80.23	48,888	+0.18(+0.22%)
Feb 23, 2011	80.10	80.32	80.04	80.05	33,811	-0.19(-0.24%)
Feb 22, 2011	79.98	80.29	79.90	80.24	77,333	+0.34(+0.42%)
Feb 18, 2011	79.68	79.90	79.58	79.90	42,688	+0.12(+0.14%)
Feb 17, 2011	79.85	79.88	79.75	79.79	49,097	+0.17(+0.21%)
Feb 16, 2011	79.68	79.84	79.55	79.62	43,799	-0.09(-0.12%)
Feb 15, 2011	79.57	79.71	79.52	79.71	65,420	+0.12(+0.14%)
Feb 14, 2011	79.33	79.68	79.33	79.60	63,498	+0.02(+0.02%)
Feb 11, 2011	79.57	79.64	79.41	79.58	30,752	+0.32(+0.41%)
Feb 10, 2011	79.33	79.47	79.14	79.26	66,896	-0.28(-0.36%)
Feb 09, 2011	79.46	79.64	79.13	79.54	62,793	+0.31(+0.40%)
Feb 08, 2011	79.41	79.48	79.10	79.23	124,856	-0.16(-0.20%)
Feb 07, 2011	79.18	79.44	79.06	79.39	124,482	+0.12(+0.15%)
Feb 04, 2011	79.47	79.49	79.12	79.27	65,988	-0.11(-0.14%)
Feb 03, 2011	79.49	79.74	79.37	79.37	42,714	-0.25(-0.32%)
Feb 02, 2011	79.75	79.86	79.49	79.63	57,885	-0.19(-0.24%)

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