Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2011	81.15	81.17	80.91	80.91	22,725	-0.16(-0.20%)
Sep 29, 2011	81.17	81.17	81.07	81.07	10,312	-0.03(-0.04%)
Sep 28, 2011	81.18	81.21	81.01	81.10	27,322	-0.10(-0.12%)
Sep 27, 2011	81.14	81.21	81.07	81.20	16,467	+0.07(+0.08%)
Sep 26, 2011	81.10	81.19	81.07	81.13	14,474	-0.02(-0.02%)
Sep 23, 2011	81.18	81.22	81.03	81.15	11,344	-0.24(-0.29%)
Sep 22, 2011	81.60	81.60	81.30	81.39	14,249	-0.30(-0.36%)
Sep 21, 2011	81.74	81.90	81.66	81.69	15,035	-0.05(-0.06%)
Sep 20, 2011	81.68	81.74	81.61	81.73	7,584	+0.11(+0.13%)
Sep 19, 2011	81.66	81.67	81.58	81.63	20,215	-0.07(-0.09%)
Sep 16, 2011	81.66	81.73	81.60	81.70	50,408	+0.08(+0.10%)
Sep 15, 2011	81.59	81.67	81.56	81.62	34,821	+0.18(+0.23%)
Sep 14, 2011	81.45	81.54	81.34	81.43	37,934	-0.05(-0.06%)
Sep 13, 2011	81.61	81.61	81.45	81.48	21,373	-0.02(-0.02%)
Sep 12, 2011	81.67	81.68	81.50	81.50	10,004	-0.26(-0.32%)
Sep 09, 2011	81.78	81.78	81.67	81.76	20,310	-0.02(-0.02%)
Sep 08, 2011	81.63	81.78	81.57	81.78	19,588	+0.18(+0.22%)
Sep 07, 2011	81.55	81.62	81.49	81.59	23,505	+0.06(+0.08%)
Sep 06, 2011	81.63	81.66	81.43	81.53	29,846	-0.21(-0.25%)
Sep 02, 2011	81.77	81.78	81.66	81.74	5,257	+0.01(+0.01%)
Sep 01, 2011	81.58	81.73	81.42	81.73	19,787	+0.25(+0.30%)
Aug 31, 2011	81.50	81.54	81.34	81.48	12,874	+0.07(+0.09%)
Aug 30, 2011	81.37	81.46	81.31	81.41	5,652	+0.13(+0.16%)
Aug 29, 2011	81.28	81.30	81.21	81.28	11,376	-0.10(-0.13%)
Aug 26, 2011	81.38	81.50	81.22	81.38	39,278	+0.00(+0.00%)
Aug 25, 2011	81.23	81.39	81.23	81.38	10,617	+0.29(+0.35%)
Aug 24, 2011	81.30	81.30	81.10	81.10	73,185	-0.30(-0.37%)
Aug 23, 2011	81.58	81.58	81.39	81.40	85,638	-0.20(-0.24%)
Aug 22, 2011	81.52	81.61	81.48	81.60	19,302	+0.02(+0.03%)
Aug 19, 2011	81.34	81.58	81.34	81.58	48,531	+0.17(+0.21%)
Aug 18, 2011	81.61	81.79	81.34	81.41	26,041	-0.21(-0.26%)
Aug 17, 2011	81.71	81.71	81.62	81.62	6,681	-0.07(-0.08%)
Aug 16, 2011	81.61	81.74	81.59	81.69	16,134	-0.06(-0.07%)
Aug 15, 2011	81.84	81.91	81.74	81.74	102,657	-0.02(-0.03%)
Aug 12, 2011	81.97	81.98	81.77	81.77	34,479	-0.16(-0.19%)
Aug 11, 2011	82.03	82.09	81.85	81.93	17,052	-0.18(-0.21%)
Aug 10, 2011	82.04	82.38	82.04	82.10	36,667	+0.16(+0.20%)
Aug 09, 2011	81.48	82.07	81.43	81.94	34,905	+0.31(+0.38%)
Aug 08, 2011	81.48	81.70	81.44	81.63	70,146	+0.13(+0.16%)
Aug 05, 2011	81.64	81.66	81.38	81.50	24,520	-0.27(-0.34%)
Aug 04, 2011	81.79	81.79	81.52	81.78	34,907	-0.14(-0.18%)
Aug 03, 2011	82.17	82.24	81.89	81.92	14,849	-0.24(-0.29%)
Aug 02, 2011	82.19	82.22	82.16	82.16	17,737	-0.05(-0.06%)
Aug 01, 2011	82.05	82.29	82.05	82.21	50,612	-0.14(-0.16%)
Jul 29, 2011	82.29	82.52	82.24	82.34	15,565	+0.18(+0.22%)
Jul 28, 2011	82.13	82.22	82.13	82.16	14,411	-0.02(-0.02%)
Jul 27, 2011	82.06	82.20	82.05	82.18	50,122	+0.03(+0.04%)
Jul 26, 2011	82.21	82.25	82.09	82.15	17,340	+0.00(+0.00%)
Jul 25, 2011	81.94	82.17	81.94	82.15	23,176	+0.02(+0.02%)
Jul 22, 2011	82.13	82.13	82.08	82.13	5,757	+0.12(+0.15%)
Jul 21, 2011	82.09	82.10	81.98	82.01	10,643	-0.04(-0.05%)
Jul 20, 2011	82.15	82.15	82.02	82.06	16,580	-0.15(-0.18%)
Jul 19, 2011	82.17	82.21	82.13	82.21	22,655	+0.10(+0.12%)
Jul 18, 2011	82.09	82.14	82.01	82.11	10,621	+0.01(+0.01%)
Jul 15, 2011	81.97	82.13	81.90	82.10	13,926	+0.16(+0.19%)
Jul 14, 2011	82.03	82.03	81.89	81.94	29,140	-0.14(-0.18%)
Jul 13, 2011	82.05	82.09	81.96	82.09	30,080	+0.02(+0.02%)
Jul 12, 2011	82.02	82.07	81.97	82.07	9,448	+0.08(+0.10%)
Jul 11, 2011	81.86	81.99	81.86	81.99	6,468	+0.19(+0.23%)
Jul 08, 2011	81.82	81.86	81.78	81.80	13,642	+0.22(+0.27%)
Jul 07, 2011	81.58	81.63	81.55	81.58	6,324	-0.03(-0.04%)
Jul 06, 2011	81.59	81.64	81.55	81.61	9,006	+0.10(+0.12%)
Jul 05, 2011	81.30	81.51	81.30	81.51	24,967	+0.17(+0.21%)

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