Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2011	80.23	80.39	80.12	80.31	1,399,392	+0.30(+0.37%)
Sep 29, 2011	79.96	80.13	79.90	80.01	1,131,103	-0.03(-0.04%)
Sep 28, 2011	80.07	80.08	79.88	80.04	1,165,982	-0.07(-0.08%)
Sep 27, 2011	80.02	80.12	79.94	80.10	1,765,173	-0.11(-0.14%)
Sep 26, 2011	80.33	80.43	80.16	80.21	1,588,805	-0.18(-0.23%)
Sep 23, 2011	80.90	80.90	80.38	80.39	1,526,541	-0.42(-0.51%)
Sep 22, 2011	80.80	80.98	80.69	80.81	1,199,642	+0.23(+0.29%)
Sep 21, 2011	80.42	80.61	80.28	80.58	1,704,159	+0.13(+0.16%)
Sep 20, 2011	80.41	80.44	80.28	80.44	961,967	+0.16(+0.20%)
Sep 19, 2011	80.36	80.41	80.26	80.28	1,078,284	+0.17(+0.22%)
Sep 16, 2011	79.98	80.11	79.89	80.11	1,214,398	+0.12(+0.15%)
Sep 15, 2011	80.11	80.17	79.99	79.99	1,435,144	-0.23(-0.29%)
Sep 14, 2011	80.15	80.31	80.12	80.23	1,460,547	+0.01(+0.02%)
Sep 13, 2011	80.25	80.27	80.12	80.21	961,581	+0.03(+0.04%)
Sep 12, 2011	80.36	80.36	80.11	80.18	1,423,151	-0.16(-0.20%)
Sep 09, 2011	80.27	80.42	80.21	80.34	1,110,200	+0.11(+0.14%)
Sep 08, 2011	80.34	80.35	80.12	80.23	1,603,354	+0.02(+0.03%)
Sep 07, 2011	80.27	80.31	80.12	80.21	1,260,742	-0.19(-0.24%)
Sep 06, 2011	80.52	80.52	80.36	80.40	1,513,776	+0.21(+0.26%)
Sep 02, 2011	80.20	80.34	80.08	80.19	1,266,668	+0.24(+0.30%)
Sep 01, 2011	79.84	80.00	79.61	79.95	2,113,647	+0.26(+0.32%)
Aug 31, 2011	79.90	79.97	79.68	79.69	3,358,713	-0.07(-0.09%)
Aug 30, 2011	79.73	79.89	79.63	79.76	1,522,685	+0.25(+0.31%)
Aug 29, 2011	79.44	79.52	79.39	79.52	1,581,000	-0.09(-0.11%)
Aug 26, 2011	79.71	79.75	79.47	79.60	927,068	+0.11(+0.14%)
Aug 25, 2011	79.43	79.57	79.35	79.50	889,062	+0.16(+0.20%)
Aug 24, 2011	79.69	79.70	79.28	79.33	911,379	-0.45(-0.57%)
Aug 23, 2011	79.85	79.85	79.69	79.79	1,040,234	-0.19(-0.24%)
Aug 22, 2011	79.92	80.04	79.85	79.98	1,046,694	-0.10(-0.13%)
Aug 19, 2011	80.04	80.10	79.92	80.08	1,747,485	+0.04(+0.05%)
Aug 18, 2011	80.23	80.42	79.98	80.04	1,311,145	+0.12(+0.15%)
Aug 17, 2011	79.86	80.03	79.69	79.92	1,538,172	+0.13(+0.16%)
Aug 16, 2011	79.54	79.88	79.54	79.79	1,236,664	+0.17(+0.21%)
Aug 15, 2011	79.71	79.74	79.51	79.63	1,420,949	+0.12(+0.16%)
Aug 12, 2011	79.44	79.74	79.28	79.50	3,397,002	+0.35(+0.44%)
Aug 11, 2011	80.01	80.01	79.13	79.15	3,567,435	-1.00(-1.24%)
Aug 10, 2011	79.87	80.18	79.79	80.15	1,514,725	+0.65(+0.81%)
Aug 09, 2011	79.38	80.03	78.93	79.50	2,256,936	+0.47(+0.59%)
Aug 08, 2011	79.09	79.18	78.97	79.04	2,842,198	+0.04(+0.05%)
Aug 05, 2011	79.31	79.52	78.91	79.00	3,001,411	-0.52(-0.66%)
Aug 04, 2011	79.18	79.60	79.15	79.52	2,178,809	+0.42(+0.53%)
Aug 03, 2011	79.10	79.29	79.04	79.10	1,700,262	+0.08(+0.10%)
Aug 02, 2011	78.81	79.09	78.70	79.02	1,388,490	+0.34(+0.43%)
Aug 01, 2011	78.48	78.77	78.47	78.69	1,787,018	+0.19(+0.24%)
Jul 29, 2011	78.24	78.53	78.16	78.50	1,929,891	+0.46(+0.60%)
Jul 28, 2011	78.03	78.11	77.95	78.03	1,134,699	+0.15(+0.20%)
Jul 27, 2011	77.90	78.03	77.84	77.88	913,004	-0.13(-0.17%)
Jul 26, 2011	77.91	78.08	77.88	78.01	1,146,633	+0.18(+0.23%)
Jul 25, 2011	77.87	78.06	77.81	77.83	1,590,774	-0.23(-0.29%)
Jul 22, 2011	77.97	78.07	77.97	78.06	631,008	+0.17(+0.21%)
Jul 21, 2011	77.92	78.00	77.78	77.89	1,156,194	-0.12(-0.16%)
Jul 20, 2011	78.06	78.24	78.00	78.01	864,245	-0.12(-0.16%)
Jul 19, 2011	77.92	78.14	77.90	78.14	1,074,804	+0.17(+0.21%)
Jul 18, 2011	78.07	78.13	77.93	77.97	883,947	-0.12(-0.15%)
Jul 15, 2011	77.94	78.16	77.89	78.08	879,411	+0.11(+0.14%)
Jul 14, 2011	78.07	78.17	77.96	77.98	2,376,685	-0.20(-0.25%)
Jul 13, 2011	77.97	78.18	77.95	78.17	700,396	+0.15(+0.20%)
Jul 12, 2011	78.03	78.10	77.90	78.02	938,964	+0.07(+0.08%)
Jul 11, 2011	77.90	78.05	77.84	77.95	847,368	+0.21(+0.27%)
Jul 08, 2011	77.64	77.80	77.61	77.74	940,751	+0.40(+0.52%)
Jul 07, 2011	77.39	77.42	77.26	77.34	1,779,626	-0.22(-0.28%)
Jul 06, 2011	77.50	77.61	77.48	77.56	1,067,178	+0.04(+0.06%)
Jul 05, 2011	77.34	77.53	77.34	77.52	1,101,113	+0.30(+0.39%)

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