Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	85.89	86.33	85.86	86.06	3,776,964	+0.33(+0.39%)
May 30, 2012	85.50	85.79	85.47	85.72	814,273	+0.81(+0.95%)
May 29, 2012	85.03	85.20	84.91	84.91	1,091,551	-0.07(-0.08%)
May 25, 2012	84.91	85.03	84.87	84.99	467,099	+0.25(+0.29%)
May 24, 2012	84.80	84.86	84.71	84.74	526,849	-0.18(-0.21%)
May 23, 2012	84.93	85.14	84.89	84.92	829,539	+0.22(+0.26%)
May 22, 2012	84.66	84.78	84.53	84.70	678,946	-0.18(-0.21%)
May 21, 2012	84.97	85.03	84.88	84.88	996,488	-0.22(-0.26%)
May 18, 2012	84.91	85.17	84.88	85.10	1,049,341	-0.06(-0.07%)
May 17, 2012	84.76	85.17	84.75	85.16	963,589	+0.32(+0.37%)
May 16, 2012	84.55	84.89	84.53	84.84	960,554	+0.06(+0.07%)
May 15, 2012	84.70	84.83	84.64	84.78	1,163,123	+0.02(+0.03%)
May 14, 2012	84.73	84.83	84.61	84.76	820,091	+0.37(+0.44%)
May 11, 2012	84.38	84.41	84.25	84.38	508,884	+0.28(+0.33%)
May 10, 2012	84.03	84.14	83.91	84.11	437,542	-0.12(-0.14%)
May 09, 2012	84.38	84.43	84.15	84.22	1,212,873	+0.07(+0.08%)
May 08, 2012	84.13	84.34	84.11	84.15	658,720	+0.19(+0.23%)
May 07, 2012	84.02	84.07	83.93	83.96	619,082	-0.02(-0.03%)
May 04, 2012	83.78	83.99	83.77	83.99	1,026,814	+0.33(+0.40%)
May 03, 2012	83.49	83.70	83.49	83.65	454,006	-0.01(-0.01%)
May 02, 2012	83.69	83.72	83.55	83.66	1,299,406	+0.16(+0.19%)
May 01, 2012	83.76	83.80	83.42	83.50	1,089,916	-0.15(-0.18%)
Apr 30, 2012	83.66	83.75	83.62	83.66	2,299,772	+0.07(+0.09%)
Apr 27, 2012	83.44	83.59	83.43	83.58	447,262	+0.09(+0.10%)
Apr 26, 2012	83.50	83.53	83.35	83.50	397,019	+0.28(+0.33%)
Apr 25, 2012	83.12	83.36	82.93	83.22	860,568	-0.10(-0.12%)
Apr 24, 2012	83.45	83.47	83.31	83.32	639,361	-0.21(-0.26%)
Apr 23, 2012	83.58	83.68	83.51	83.54	943,171	+0.17(+0.20%)
Apr 20, 2012	83.21	83.37	83.16	83.37	476,849	+0.01(+0.01%)
Apr 19, 2012	83.35	83.43	83.32	83.36	516,474	+0.09(+0.11%)
Apr 18, 2012	83.22	83.29	83.17	83.27	635,299	+0.17(+0.20%)
Apr 17, 2012	83.09	83.17	83.02	83.10	1,166,571	-0.09(-0.10%)
Apr 16, 2012	83.18	83.44	83.15	83.19	1,490,263	-0.02(-0.03%)
Apr 13, 2012	83.03	83.23	83.01	83.21	582,825	+0.50(+0.60%)
Apr 12, 2012	82.94	82.97	82.69	82.71	570,403	-0.17(-0.20%)
Apr 11, 2012	82.88	82.97	82.80	82.88	549,524	-0.32(-0.39%)
Apr 10, 2012	82.95	83.27	82.89	83.20	1,137,656	+0.39(+0.47%)
Apr 09, 2012	82.84	82.92	82.74	82.82	724,771	+0.84(+1.02%)
Apr 05, 2012	81.98	82.00	81.76	81.98	576,560	+0.36(+0.45%)
Apr 04, 2012	81.53	81.62	81.45	81.61	582,696	+0.41(+0.51%)
Apr 03, 2012	81.93	82.07	81.14	81.20	1,052,422	-0.60(-0.74%)
Apr 02, 2012	81.95	81.95	81.72	81.80	1,811,579	+0.20(+0.24%)
Mar 30, 2012	81.99	82.10	81.51	81.61	636,058	-0.40(-0.49%)
Mar 29, 2012	81.96	82.01	81.84	82.01	920,844	+0.34(+0.42%)
Mar 28, 2012	81.67	81.97	81.67	81.67	398,215	-0.14(-0.17%)
Mar 27, 2012	81.51	81.87	81.50	81.81	732,420	+0.45(+0.55%)
Mar 26, 2012	81.40	81.49	81.13	81.36	596,917	-0.09(-0.12%)
Mar 23, 2012	81.37	81.58	81.35	81.46	501,190	+0.30(+0.37%)
Mar 22, 2012	81.24	81.31	81.09	81.16	412,722	+0.10(+0.13%)
Mar 21, 2012	80.81	81.09	80.80	81.05	579,661	+0.41(+0.51%)
Mar 20, 2012	80.68	80.79	80.41	80.64	973,289	+0.04(+0.05%)
Mar 19, 2012	80.99	81.04	80.46	80.60	1,434,091	-0.50(-0.61%)
Mar 16, 2012	80.79	81.11	80.71	81.10	861,992	-0.02(-0.03%)
Mar 15, 2012	81.05	81.31	81.04	81.13	2,913,682	-0.03(-0.03%)
Mar 14, 2012	81.69	81.73	81.09	81.15	2,193,296	-0.94(-1.14%)
Mar 13, 2012	82.49	82.52	82.07	82.09	782,887	-0.59(-0.72%)
Mar 12, 2012	82.86	82.89	82.68	82.68	636,690	-0.02(-0.03%)
Mar 09, 2012	82.67	82.74	82.52	82.71	362,869	-0.06(-0.08%)
Mar 08, 2012	82.94	83.02	82.74	82.77	417,467	-0.24(-0.30%)
Mar 07, 2012	83.13	83.16	82.97	83.01	551,835	-0.16(-0.19%)
Mar 06, 2012	83.15	83.30	83.12	83.17	766,617	+0.35(+0.42%)
Mar 05, 2012	82.92	83.04	82.79	82.82	1,779,517	-0.17(-0.20%)
Mar 02, 2012	82.75	83.05	82.75	82.99	455,721	+0.33(+0.40%)

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