Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	81.33	81.44	81.22	81.23	1,490,681	-0.10(-0.13%)
Dec 29, 2011	81.22	81.37	81.10	81.33	1,337,450	+0.19(+0.24%)
Dec 28, 2011	81.04	81.21	80.98	81.14	1,185,908	+0.14(+0.17%)
Dec 27, 2011	80.82	81.00	80.80	81.00	1,480,147	+0.15(+0.18%)
Dec 23, 2011	80.81	80.90	80.62	80.85	922,732	+0.03(+0.04%)
Dec 21, 2011	81.02	81.05	80.79	80.82	1,262,566	-0.21(-0.25%)
Dec 20, 2011	81.07	81.17	81.00	81.03	3,773,530	-0.11(-0.14%)
Dec 19, 2011	81.06	81.19	80.99	81.14	1,525,492	+0.08(+0.10%)
Dec 16, 2011	80.93	81.11	80.90	81.06	1,604,623	+0.27(+0.34%)
Dec 15, 2011	80.92	81.00	80.72	80.79	5,117,259	-0.17(-0.21%)
Dec 14, 2011	80.76	81.05	80.82	80.96	1,260,510	+0.20(+0.25%)
Dec 13, 2011	80.60	80.86	80.57	80.76	1,993,011	+0.16(+0.20%)
Dec 12, 2011	80.63	80.75	80.59	80.60	1,657,511	+0.02(+0.03%)
Dec 09, 2011	80.60	80.71	80.48	80.57	1,269,214	-0.04(-0.05%)
Dec 08, 2011	80.51	80.71	80.48	80.62	1,668,286	+0.08(+0.10%)
Dec 07, 2011	80.45	80.60	80.33	80.54	938,080	+0.15(+0.18%)
Dec 06, 2011	80.37	80.44	80.18	80.39	1,500,553	-0.07(-0.09%)
Dec 05, 2011	80.28	80.46	80.21	80.46	1,444,129	+0.09(+0.11%)
Dec 02, 2011	80.15	80.44	80.11	80.37	1,245,568	+0.21(+0.26%)
Dec 01, 2011	80.14	80.26	79.99	80.17	2,485,744	+0.03(+0.04%)
Nov 30, 2011	80.29	80.31	80.06	80.14	1,747,338	-0.21(-0.26%)
Nov 29, 2011	80.22	80.38	80.06	80.35	2,345,436	+0.03(+0.04%)
Nov 28, 2011	80.13	80.35	80.04	80.32	2,355,846	-0.01(-0.01%)
Nov 25, 2011	80.44	80.49	80.29	80.32	1,043,802	-0.11(-0.14%)
Nov 23, 2011	80.30	80.55	80.26	80.43	1,181,155	+0.07(+0.09%)
Nov 22, 2011	80.27	80.41	80.18	80.36	1,434,350	+0.06(+0.07%)
Nov 21, 2011	80.42	80.43	80.28	80.30	1,144,817	-0.01(-0.02%)
Nov 18, 2011	80.40	80.40	80.18	80.32	1,099,624	-0.01(-0.02%)
Nov 17, 2011	80.35	80.48	80.23	80.33	2,279,251	-0.04(-0.05%)
Nov 16, 2011	80.58	80.59	80.30	80.37	1,655,660	-0.03(-0.04%)
Nov 15, 2011	80.49	80.54	80.29	80.40	1,075,187	-0.10(-0.13%)
Nov 14, 2011	80.56	80.60	80.41	80.51	1,623,536	+0.07(+0.08%)
Nov 11, 2011	80.45	80.50	80.37	80.44	2,461,291	-0.10(-0.12%)
Nov 10, 2011	80.52	80.71	80.35	80.54	1,784,890	-0.15(-0.19%)
Nov 09, 2011	80.72	80.84	80.61	80.69	1,064,578	+0.14(+0.17%)
Nov 08, 2011	80.56	80.73	80.48	80.55	1,295,566	-0.11(-0.14%)
Nov 07, 2011	80.59	80.84	80.57	80.66	1,017,117	+0.07(+0.08%)
Nov 04, 2011	80.62	80.74	80.56	80.59	2,784,420	-0.02(-0.03%)
Nov 03, 2011	80.57	80.73	80.51	80.62	1,523,100	-0.18(-0.22%)
Nov 02, 2011	80.57	80.84	80.54	80.79	999,521	+0.00(+0.00%)
Nov 01, 2011	80.52	80.81	80.49	80.79	1,970,367	+0.39(+0.48%)
Oct 31, 2011	80.26	80.41	80.19	80.41	2,390,567	+0.38(+0.47%)
Oct 28, 2011	79.78	80.05	79.76	80.03	1,339,806	+0.31(+0.39%)
Oct 27, 2011	79.94	79.96	79.59	79.71	1,314,017	-0.31(-0.38%)
Oct 26, 2011	80.08	80.22	79.94	80.02	908,849	-0.22(-0.27%)
Oct 25, 2011	79.89	80.25	79.84	80.24	2,022,726	+0.41(+0.51%)
Oct 24, 2011	79.99	79.99	79.77	79.83	1,187,209	-0.12(-0.16%)
Oct 21, 2011	79.99	80.04	79.83	79.95	759,883	+0.04(+0.05%)
Oct 20, 2011	79.93	80.11	79.81	79.91	1,177,897	-0.04(-0.05%)
Oct 19, 2011	79.85	80.07	79.77	79.95	1,067,544	+0.12(+0.15%)
Oct 18, 2011	79.89	80.05	79.74	79.84	1,311,983	-0.09(-0.11%)
Oct 17, 2011	79.66	79.92	79.65	79.92	1,131,232	+0.31(+0.39%)
Oct 14, 2011	79.49	79.73	79.49	79.61	803,919	-0.13(-0.17%)
Oct 13, 2011	79.78	79.89	79.60	79.74	1,248,510	+0.04(+0.06%)
Oct 12, 2011	79.57	79.77	79.52	79.70	1,533,731	-0.15(-0.19%)
Oct 11, 2011	79.71	79.87	79.62	79.85	2,948,895	+0.19(+0.24%)
Oct 10, 2011	79.82	79.82	79.43	79.66	973,581	-0.16(-0.20%)
Oct 07, 2011	79.82	79.92	79.68	79.82	2,071,465	-0.16(-0.20%)
Oct 06, 2011	80.04	80.05	79.94	79.98	1,399,138	-0.13(-0.16%)
Oct 05, 2011	80.31	80.33	80.09	80.11	2,051,321	-0.27(-0.34%)
Oct 04, 2011	80.70	80.77	80.38	80.38	1,849,162	-0.25(-0.31%)

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