Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	82.88	83.00	82.80	82.96	4,012,826	+0.25(+0.30%)
May 30, 2012	82.69	82.77	82.62	82.71	735,644	+0.28(+0.33%)
May 29, 2012	82.51	82.53	82.42	82.44	1,603,066	-0.04(-0.05%)
May 25, 2012	82.42	82.51	82.40	82.48	610,892	+0.13(+0.15%)
May 24, 2012	82.45	82.45	82.33	82.36	1,262,583	-0.07(-0.08%)
May 23, 2012	82.51	82.55	82.41	82.42	936,530	+0.10(+0.12%)
May 22, 2012	82.41	82.48	82.33	82.33	1,354,390	-0.20(-0.24%)
May 21, 2012	82.56	82.58	82.52	82.53	1,624,350	-0.01(-0.02%)
May 18, 2012	82.53	82.60	82.47	82.54	1,593,045	-0.02(-0.03%)
May 17, 2012	82.45	82.64	82.42	82.56	1,910,428	+0.05(+0.06%)
May 16, 2012	82.45	82.61	82.42	82.51	1,326,431	-0.01(-0.02%)
May 15, 2012	82.62	82.62	82.45	82.53	1,596,396	-0.04(-0.05%)
May 14, 2012	82.54	82.59	82.49	82.57	1,026,339	+0.19(+0.23%)
May 11, 2012	82.48	82.49	82.36	82.39	600,100	+0.06(+0.07%)
May 10, 2012	82.33	82.36	82.26	82.33	708,026	-0.08(-0.10%)
May 09, 2012	82.48	82.48	82.33	82.41	1,250,513	+0.02(+0.03%)
May 08, 2012	82.42	82.51	82.38	82.39	780,148	+0.06(+0.07%)
May 07, 2012	82.35	82.37	82.30	82.33	868,768	+0.03(+0.04%)
May 04, 2012	82.29	82.32	82.22	82.30	822,317	+0.08(+0.10%)
May 03, 2012	82.12	82.22	82.10	82.22	773,646	+0.09(+0.11%)
May 02, 2012	82.14	82.18	82.07	82.13	1,746,085	+0.08(+0.10%)
May 01, 2012	82.14	82.17	81.99	82.04	1,039,113	-0.03(-0.04%)
Apr 30, 2012	82.17	82.17	82.07	82.07	1,188,412	-0.03(-0.04%)
Apr 27, 2012	82.08	82.13	82.04	82.10	833,767	-0.01(-0.01%)
Apr 26, 2012	82.10	82.14	82.03	82.11	1,376,725	+0.13(+0.15%)
Apr 25, 2012	81.93	82.00	81.81	81.98	1,323,713	+0.04(+0.05%)
Apr 24, 2012	82.02	82.06	81.93	81.95	845,566	-0.12(-0.14%)
Apr 23, 2012	82.18	82.18	82.02	82.07	1,060,603	+0.08(+0.10%)
Apr 20, 2012	81.98	82.01	81.90	81.98	2,062,049	+0.01(+0.02%)
Apr 19, 2012	82.00	82.06	81.97	81.97	833,712	-0.06(-0.07%)
Apr 18, 2012	81.95	82.03	81.89	82.03	1,191,581	+0.10(+0.13%)
Apr 17, 2012	81.85	81.93	81.81	81.93	993,881	+0.01(+0.02%)
Apr 16, 2012	81.81	81.99	81.81	81.91	1,510,869	+0.01(+0.02%)
Apr 13, 2012	81.85	81.91	81.78	81.90	1,488,506	+0.25(+0.31%)
Apr 12, 2012	81.70	81.73	81.63	81.64	681,704	-0.08(-0.10%)
Apr 11, 2012	81.67	81.72	81.55	81.72	1,621,224	+0.01(+0.01%)
Apr 10, 2012	81.77	81.88	81.68	81.72	2,552,043	+0.01(+0.01%)
Apr 09, 2012	81.76	81.77	81.66	81.71	775,627	+0.36(+0.44%)
Apr 05, 2012	81.33	81.35	81.19	81.35	1,009,339	+0.19(+0.23%)
Apr 04, 2012	81.15	81.19	81.04	81.17	1,532,366	+0.17(+0.21%)
Apr 03, 2012	81.41	81.47	80.94	81.00	1,033,595	-0.35(-0.43%)
Apr 02, 2012	81.54	81.54	81.23	81.35	3,231,949	+0.01(+0.01%)
Mar 30, 2012	81.53	81.53	81.22	81.34	1,514,279	-0.13(-0.15%)
Mar 29, 2012	81.41	81.49	81.33	81.46	1,631,490	+0.22(+0.27%)
Mar 28, 2012	81.25	81.36	81.21	81.24	1,097,547	-0.01(-0.02%)
Mar 27, 2012	81.22	81.30	81.16	81.26	3,442,776	+0.09(+0.11%)
Mar 26, 2012	81.19	81.21	81.03	81.17	1,171,983	-0.06(-0.07%)
Mar 23, 2012	81.06	81.23	81.03	81.23	1,024,210	+0.19(+0.23%)
Mar 22, 2012	80.97	81.06	80.97	81.04	900,497	+0.07(+0.09%)
Mar 21, 2012	80.88	81.00	80.80	80.97	797,763	+0.19(+0.24%)
Mar 20, 2012	80.65	80.77	80.59	80.77	1,296,967	+0.12(+0.15%)
Mar 19, 2012	80.93	80.93	80.63	80.66	1,548,781	-0.26(-0.32%)
Mar 16, 2012	80.82	80.94	80.75	80.91	1,261,254	+0.01(+0.01%)
Mar 15, 2012	80.90	81.05	80.89	80.91	1,081,024	-0.04(-0.05%)
Mar 14, 2012	81.27	81.33	80.89	80.94	1,512,252	-0.44(-0.55%)
Mar 13, 2012	81.61	81.62	81.37	81.39	1,951,105	-0.27(-0.34%)
Mar 12, 2012	81.74	81.78	81.63	81.66	1,481,013	+0.07(+0.09%)
Mar 09, 2012	81.62	81.62	81.54	81.59	960,094	-0.01(-0.02%)
Mar 08, 2012	81.78	81.80	81.58	81.60	1,311,760	-0.19(-0.23%)
Mar 07, 2012	81.85	81.86	81.76	81.79	1,129,089	-0.07(-0.09%)
Mar 06, 2012	81.85	81.91	81.78	81.86	1,426,763	+0.16(+0.20%)
Mar 05, 2012	81.80	81.83	81.68	81.70	1,483,050	-0.12(-0.14%)
Mar 02, 2012	81.68	81.82	81.67	81.82	1,166,631	+0.18(+0.22%)

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