Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	81.45	81.54	81.40	81.42	15,921	-0.11(-0.14%)
Dec 29, 2011	81.36	81.54	81.36	81.53	15,778	+0.14(+0.18%)
Dec 28, 2011	81.34	81.43	81.34	81.38	10,839	+0.05(+0.06%)
Dec 27, 2011	81.41	81.49	81.34	81.34	89,080	-0.09(-0.11%)
Dec 23, 2011	81.41	83.64	81.36	81.42	59,841	-0.14(-0.18%)
Dec 21, 2011	81.67	81.69	81.51	81.57	30,297	-0.08(-0.10%)
Dec 20, 2011	81.43	81.66	81.43	81.65	127,728	+0.11(+0.14%)
Dec 19, 2011	81.48	81.57	81.43	81.54	25,707	+0.05(+0.06%)
Dec 16, 2011	81.50	81.54	81.42	81.49	24,667	-0.00(-0.00%)
Dec 15, 2011	81.50	81.53	81.42	81.49	20,172	-0.04(-0.05%)
Dec 14, 2011	81.60	81.60	81.50	81.53	36,228	-0.09(-0.11%)
Dec 13, 2011	81.61	81.73	81.60	81.62	22,606	-0.10(-0.12%)
Dec 12, 2011	81.68	81.72	81.61	81.71	22,244	+0.07(+0.09%)
Dec 09, 2011	81.71	81.78	81.62	81.64	11,809	-0.07(-0.09%)
Dec 08, 2011	81.78	81.78	81.66	81.71	32,824	-0.05(-0.06%)
Dec 07, 2011	81.69	81.77	81.68	81.76	11,391	+0.03(+0.04%)
Dec 06, 2011	81.73	81.76	81.70	81.73	6,837	-0.06(-0.07%)
Dec 05, 2011	81.74	81.79	81.73	81.78	6,193	-0.04(-0.05%)
Dec 02, 2011	81.70	81.82	81.67	81.82	43,672	+0.09(+0.11%)
Dec 01, 2011	81.82	81.82	81.70	81.74	23,565	-0.06(-0.07%)
Nov 30, 2011	81.82	81.87	81.74	81.79	64,978	+0.11(+0.14%)
Nov 29, 2011	81.57	81.73	81.57	81.68	15,208	+0.09(+0.11%)
Nov 28, 2011	81.62	81.66	81.57	81.59	3,907	+0.01(+0.01%)
Nov 25, 2011	81.62	81.62	81.50	81.58	4,151	-0.00(-0.00%)
Nov 23, 2011	81.56	81.66	81.50	81.59	12,980	+0.07(+0.09%)
Nov 22, 2011	81.53	81.56	81.42	81.51	14,866	-0.02(-0.03%)
Nov 21, 2011	81.61	81.62	81.50	81.54	9,838	-0.03(-0.04%)
Nov 18, 2011	81.64	81.64	81.54	81.57	3,010	-0.01(-0.01%)
Nov 17, 2011	81.61	81.63	81.50	81.58	58,169	-0.12(-0.15%)
Nov 16, 2011	81.78	81.78	81.69	81.70	12,521	-0.18(-0.21%)
Nov 15, 2011	82.02	82.02	81.84	81.87	30,073	-0.19(-0.23%)
Nov 14, 2011	82.17	82.17	82.01	82.06	8,763	-0.01(-0.01%)
Nov 11, 2011	82.06	82.09	82.01	82.07	9,977	-0.07(-0.09%)
Nov 10, 2011	82.06	82.15	82.01	82.14	52,485	+0.10(+0.13%)
Nov 09, 2011	82.11	82.13	82.03	82.04	33,600	-0.06(-0.07%)
Nov 08, 2011	82.18	82.20	82.07	82.09	18,422	-0.10(-0.12%)
Nov 07, 2011	82.11	82.29	82.11	82.20	16,391	+0.05(+0.06%)
Nov 04, 2011	82.19	82.19	82.08	82.15	114,586	+0.03(+0.04%)
Nov 03, 2011	82.09	82.12	82.03	82.12	59,930	+0.00(+0.00%)
Nov 02, 2011	82.01	82.15	81.97	82.12	25,443	+0.05(+0.06%)
Nov 01, 2011	81.89	82.07	81.85	82.07	29,153	+0.10(+0.13%)
Oct 31, 2011	81.89	81.97	81.89	81.97	16,490	+0.20(+0.24%)
Oct 28, 2011	81.75	81.84	81.69	81.77	66,721	+0.08(+0.10%)
Oct 27, 2011	81.64	82.07	81.60	81.69	15,668	+0.08(+0.09%)
Oct 26, 2011	81.51	81.65	81.51	81.61	12,131	-0.02(-0.03%)
Oct 25, 2011	81.46	81.64	81.46	81.63	21,019	+0.20(+0.24%)
Oct 24, 2011	81.42	81.45	81.40	81.44	23,338	+0.04(+0.05%)
Oct 21, 2011	81.42	81.46	81.39	81.39	67,746	+0.02(+0.02%)
Oct 20, 2011	81.37	81.42	81.30	81.38	6,035	-0.01(-0.01%)
Oct 19, 2011	81.30	81.43	81.30	81.38	19,081	-0.06(-0.08%)
Oct 18, 2011	81.32	81.45	81.31	81.45	16,374	+0.18(+0.22%)
Oct 17, 2011	81.18	81.27	81.14	81.27	28,849	+0.18(+0.22%)
Oct 14, 2011	81.03	81.14	80.99	81.09	10,697	+0.07(+0.09%)
Oct 13, 2011	81.00	81.10	80.98	81.02	35,226	+0.04(+0.05%)
Oct 12, 2011	80.90	80.99	80.90	80.98	39,229	+0.03(+0.03%)
Oct 11, 2011	81.03	81.03	80.94	80.95	10,152	+0.07(+0.09%)
Oct 10, 2011	80.94	80.94	80.84	80.88	21,070	-0.17(-0.20%)
Oct 07, 2011	81.09	81.10	81.04	81.05	7,699	+0.04(+0.05%)
Oct 06, 2011	80.94	81.06	80.94	81.01	14,486	+0.08(+0.10%)
Oct 05, 2011	80.99	80.99	80.88	80.93	138,055	-0.03(-0.03%)
Oct 04, 2011	81.03	81.11	80.93	80.95	74,280	-0.06(-0.08%)

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