Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	82.62	82.75	82.55	82.70	4,025,229	+0.24(+0.30%)
May 30, 2012	82.44	82.51	82.37	82.46	737,918	+0.27(+0.33%)
May 29, 2012	82.25	82.28	82.16	82.18	1,608,021	-0.04(-0.05%)
May 25, 2012	82.17	82.25	82.15	82.23	612,780	+0.13(+0.15%)
May 24, 2012	82.20	82.20	82.08	82.10	1,266,486	-0.07(-0.08%)
May 23, 2012	82.25	82.30	82.15	82.17	939,425	+0.10(+0.12%)
May 22, 2012	82.15	82.23	82.07	82.07	1,358,576	-0.20(-0.24%)
May 21, 2012	82.30	82.33	82.27	82.27	1,629,371	-0.01(-0.02%)
May 18, 2012	82.28	82.35	82.21	82.29	1,597,969	-0.02(-0.03%)
May 17, 2012	82.20	82.38	82.16	82.31	1,916,333	+0.05(+0.06%)
May 16, 2012	82.19	82.35	82.16	82.26	1,330,531	-0.01(-0.02%)
May 15, 2012	82.36	82.36	82.20	82.27	1,601,331	-0.04(-0.05%)
May 14, 2012	82.29	82.33	82.23	82.32	1,029,511	+0.19(+0.23%)
May 11, 2012	82.23	82.24	82.10	82.13	601,955	+0.06(+0.07%)
May 10, 2012	82.08	82.11	82.01	82.07	710,214	-0.08(-0.10%)
May 09, 2012	82.23	82.23	82.08	82.15	1,254,378	+0.02(+0.03%)
May 08, 2012	82.17	82.25	82.12	82.13	782,559	+0.06(+0.07%)
May 07, 2012	82.10	82.12	82.04	82.07	871,453	+0.03(+0.04%)
May 04, 2012	82.04	82.07	81.97	82.04	824,859	+0.08(+0.10%)
May 03, 2012	81.87	81.96	81.85	81.96	776,037	+0.09(+0.11%)
May 02, 2012	81.89	81.92	81.81	81.87	1,751,482	+0.08(+0.10%)
May 01, 2012	81.89	81.92	81.74	81.79	1,042,325	-0.03(-0.04%)
Apr 30, 2012	81.92	81.92	81.81	81.82	1,192,086	-0.03(-0.04%)
Apr 27, 2012	81.83	81.87	81.78	81.85	836,344	-0.01(-0.01%)
Apr 26, 2012	81.85	81.89	81.78	81.86	1,380,980	+0.13(+0.15%)
Apr 25, 2012	81.68	81.75	81.55	81.73	1,327,804	+0.04(+0.05%)
Apr 24, 2012	81.77	81.81	81.68	81.69	848,180	-0.12(-0.14%)
Apr 23, 2012	81.92	81.92	81.77	81.81	1,063,882	+0.08(+0.10%)
Apr 20, 2012	81.73	81.76	81.65	81.73	2,068,423	+0.01(+0.02%)
Apr 19, 2012	81.75	81.81	81.72	81.72	836,289	-0.06(-0.07%)
Apr 18, 2012	81.70	81.78	81.64	81.78	1,195,264	+0.10(+0.13%)
Apr 17, 2012	81.60	81.67	81.56	81.67	996,953	+0.01(+0.02%)
Apr 16, 2012	81.55	81.74	81.55	81.66	1,515,538	+0.01(+0.02%)
Apr 13, 2012	81.60	81.66	81.53	81.64	1,493,106	+0.25(+0.31%)
Apr 12, 2012	81.45	81.48	81.38	81.39	683,811	-0.08(-0.10%)
Apr 11, 2012	81.41	81.47	81.30	81.47	1,626,235	+0.01(+0.01%)
Apr 10, 2012	81.52	81.63	81.43	81.47	2,559,931	+0.01(+0.01%)
Apr 09, 2012	81.51	81.52	81.41	81.46	778,025	+0.36(+0.44%)
Apr 05, 2012	81.08	81.10	80.94	81.10	1,012,459	+0.18(+0.23%)
Apr 04, 2012	80.90	80.94	80.79	80.92	1,537,103	+0.17(+0.21%)
Apr 03, 2012	81.16	81.22	80.69	80.75	1,036,790	-0.35(-0.43%)
Apr 02, 2012	81.29	81.29	80.98	81.10	3,241,939	+0.01(+0.01%)
Mar 30, 2012	81.28	81.28	80.97	81.09	1,518,960	-0.13(-0.15%)
Mar 29, 2012	81.16	81.24	81.08	81.21	1,636,533	+0.22(+0.27%)
Mar 28, 2012	81.00	81.11	80.96	80.99	1,100,939	-0.01(-0.02%)
Mar 27, 2012	80.97	81.05	80.91	81.00	3,453,417	+0.09(+0.11%)
Mar 26, 2012	80.94	80.96	80.78	80.92	1,175,606	-0.06(-0.07%)
Mar 23, 2012	80.81	80.98	80.78	80.98	1,027,376	+0.18(+0.23%)
Mar 22, 2012	80.72	80.81	80.72	80.79	903,281	+0.07(+0.09%)
Mar 21, 2012	80.63	80.75	80.55	80.72	800,229	+0.19(+0.24%)
Mar 20, 2012	80.40	80.52	80.34	80.52	1,300,976	+0.12(+0.15%)
Mar 19, 2012	80.68	80.68	80.38	80.41	1,553,568	-0.26(-0.32%)
Mar 16, 2012	80.57	80.69	80.50	80.67	1,265,152	+0.01(+0.01%)
Mar 15, 2012	80.65	80.80	80.65	80.66	1,084,366	-0.04(-0.05%)
Mar 14, 2012	81.02	81.08	80.64	80.69	1,516,926	-0.44(-0.55%)
Mar 13, 2012	81.36	81.37	81.12	81.14	1,957,135	-0.27(-0.34%)
Mar 12, 2012	81.48	81.53	81.38	81.41	1,485,591	+0.07(+0.09%)
Mar 09, 2012	81.37	81.37	81.29	81.34	963,061	-0.01(-0.02%)
Mar 08, 2012	81.53	81.55	81.33	81.35	1,315,814	-0.18(-0.23%)
Mar 07, 2012	81.60	81.61	81.51	81.54	1,132,579	-0.07(-0.09%)
Mar 06, 2012	81.60	81.65	81.53	81.61	1,431,173	+0.16(+0.20%)
Mar 05, 2012	81.55	81.58	81.43	81.45	1,487,634	-0.12(-0.14%)
Mar 02, 2012	81.43	81.57	81.42	81.57	1,170,237	+0.18(+0.22%)

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