Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	77.75	78.04	77.68	78.01	1,941,983	+0.46(+0.60%)
Jul 28, 2011	77.54	77.63	77.47	77.55	1,141,809	+0.15(+0.20%)
Jul 27, 2011	77.42	77.54	77.35	77.40	918,724	-0.13(-0.17%)
Jul 26, 2011	77.42	77.60	77.40	77.53	1,153,817	+0.18(+0.23%)
Jul 25, 2011	77.38	77.58	77.32	77.35	1,600,741	-0.22(-0.29%)
Jul 22, 2011	77.49	77.58	77.49	77.57	634,961	+0.17(+0.21%)
Jul 21, 2011	77.43	77.51	77.30	77.40	1,163,438	-0.12(-0.16%)
Jul 20, 2011	77.57	77.75	77.51	77.53	869,660	-0.12(-0.16%)
Jul 19, 2011	77.44	77.65	77.41	77.65	1,081,539	+0.17(+0.21%)
Jul 18, 2011	77.58	77.64	77.45	77.48	889,486	-0.12(-0.15%)
Jul 15, 2011	77.45	77.67	77.40	77.60	884,921	+0.11(+0.14%)
Jul 14, 2011	77.58	77.68	77.48	77.49	2,391,576	-0.19(-0.25%)
Jul 13, 2011	77.48	77.69	77.46	77.68	704,784	+0.15(+0.20%)
Jul 12, 2011	77.54	77.61	77.41	77.53	944,847	+0.06(+0.08%)
Jul 11, 2011	77.42	77.56	77.35	77.47	852,677	+0.21(+0.27%)
Jul 08, 2011	77.16	77.32	77.12	77.26	946,646	+0.40(+0.52%)
Jul 07, 2011	76.91	76.93	76.78	76.86	1,790,777	-0.22(-0.28%)
Jul 06, 2011	77.02	77.12	77.00	77.08	1,073,864	+0.04(+0.06%)
Jul 05, 2011	76.86	77.04	76.86	77.04	1,108,013	+0.30(+0.39%)
Jul 01, 2011	76.81	76.84	76.65	76.74	2,731,541	+0.02(+0.03%)
Jun 30, 2011	76.86	76.89	76.52	76.72	1,801,420	-0.01(-0.02%)
Jun 29, 2011	76.97	77.02	76.72	76.73	3,523,016	-0.23(-0.30%)
Jun 28, 2011	77.20	77.23	76.92	76.96	1,443,869	-0.31(-0.40%)
Jun 27, 2011	77.46	77.46	77.21	77.27	1,015,834	-0.14(-0.18%)
Jun 24, 2011	77.41	77.59	77.40	77.41	1,507,290	-0.07(-0.09%)
Jun 23, 2011	77.35	77.53	77.33	77.48	3,803,212	+0.25(+0.33%)
Jun 22, 2011	77.31	77.36	77.13	77.23	1,248,233	-0.05(-0.07%)
Jun 21, 2011	77.13	77.29	77.12	77.28	1,117,302	+0.07(+0.09%)
Jun 20, 2011	77.22	77.25	77.18	77.20	1,017,648	-0.10(-0.13%)
Jun 17, 2011	77.27	77.32	77.20	77.31	1,211,417	+0.07(+0.09%)
Jun 16, 2011	77.24	77.36	77.22	77.23	1,685,058	+0.05(+0.07%)
Jun 15, 2011	77.01	77.29	77.00	77.18	1,940,363	+0.19(+0.25%)
Jun 14, 2011	77.06	77.08	76.97	76.99	1,667,085	-0.21(-0.27%)
Jun 13, 2011	77.21	77.39	77.18	77.20	1,329,197	-0.10(-0.13%)
Jun 10, 2011	77.33	77.42	77.23	77.30	1,613,570	-0.01(-0.01%)
Jun 09, 2011	77.38	77.43	77.23	77.31	898,888	-0.11(-0.15%)
Jun 08, 2011	77.34	77.53	77.34	77.42	1,508,886	+0.06(+0.08%)
Jun 07, 2011	77.15	77.36	77.08	77.36	2,416,171	+0.16(+0.20%)
Jun 06, 2011	77.12	77.26	77.08	77.20	2,054,167	+0.01(+0.02%)
Jun 03, 2011	77.33	77.33	77.08	77.18	726,132	+0.37(+0.48%)
May 24, 2011	76.75	76.85	76.71	76.81	807,908	+0.03(+0.04%)
May 23, 2011	76.86	76.89	76.78	76.79	1,121,242	+0.06(+0.08%)
May 20, 2011	76.69	76.76	76.67	76.72	1,308,744	+0.07(+0.09%)
May 19, 2011	76.50	76.69	76.47	76.65	882,429	-0.06(-0.07%)
May 18, 2011	76.80	76.84	76.66	76.71	862,630	-0.12(-0.16%)
May 17, 2011	76.81	76.88	76.77	76.83	953,081	+0.09(+0.11%)
May 16, 2011	76.58	76.78	76.57	76.74	945,512	+0.16(+0.22%)
May 13, 2011	76.54	76.72	76.51	76.58	436,251	+0.12(+0.16%)
May 12, 2011	76.53	76.59	76.39	76.46	1,069,707	-0.11(-0.15%)
May 11, 2011	76.37	76.59	76.37	76.57	751,506	+0.14(+0.18%)
May 10, 2011	76.48	76.53	76.40	76.43	747,552	-0.14(-0.18%)
May 09, 2011	76.51	76.60	76.51	76.57	700,317	+0.09(+0.11%)
May 06, 2011	76.41	76.61	76.32	76.48	1,423,860	-0.01(-0.01%)
May 05, 2011	76.35	76.52	76.35	76.49	1,116,504	+0.17(+0.23%)
May 04, 2011	76.17	76.33	76.17	76.32	919,222	+0.14(+0.19%)
May 03, 2011	76.20	76.25	76.12	76.18	678,015	+0.02(+0.03%)

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