Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	82.44	82.46	82.39	82.39	806,424	-0.05(-0.06%)
Apr 27, 2012	82.35	82.43	82.33	82.43	319,938	+0.03(+0.04%)
Apr 26, 2012	82.39	82.43	82.35	82.40	261,100	+0.06(+0.07%)
Apr 25, 2012	82.32	82.38	82.29	82.34	619,230	-0.03(-0.04%)
Apr 24, 2012	82.42	82.45	82.33	82.37	412,785	+0.01(+0.01%)
Apr 23, 2012	82.45	82.47	82.36	82.36	540,248	-0.02(-0.03%)
Apr 20, 2012	82.39	82.39	82.35	82.39	237,588	+0.04(+0.05%)
Apr 19, 2012	82.41	82.45	82.35	82.35	683,503	+0.01(+0.01%)
Apr 18, 2012	82.39	82.42	82.33	82.34	2,207,077	-0.04(-0.05%)
Apr 17, 2012	82.38	82.42	82.35	82.38	430,802	-0.04(-0.04%)
Apr 16, 2012	82.41	82.49	82.38	82.41	319,907	-0.02(-0.02%)
Apr 13, 2012	82.39	82.45	82.35	82.43	300,465	+0.09(+0.11%)
Apr 12, 2012	82.38	82.39	82.32	82.34	563,440	-0.02(-0.03%)
Apr 11, 2012	82.31	82.37	82.28	82.36	469,462	+0.05(+0.06%)
Apr 10, 2012	82.32	82.44	82.31	82.31	698,117	-0.02(-0.03%)
Apr 09, 2012	82.23	82.36	82.22	82.33	479,553	+0.33(+0.40%)
Apr 05, 2012	81.89	82.00	81.88	82.00	270,058	+0.18(+0.22%)
Apr 04, 2012	81.81	81.91	81.79	81.82	402,496	+0.06(+0.07%)
Apr 03, 2012	82.05	82.07	81.76	81.76	887,600	-0.25(-0.31%)
Apr 02, 2012	82.07	82.13	81.91	82.01	472,873	+0.05(+0.06%)
Mar 30, 2012	82.03	82.05	81.90	81.97	419,226	-0.05(-0.06%)
Mar 29, 2012	81.99	82.03	81.96	82.01	399,885	+0.02(+0.03%)
Mar 28, 2012	81.95	82.03	81.91	81.99	571,068	+0.02(+0.02%)
Mar 27, 2012	81.90	81.99	81.88	81.97	481,602	+0.11(+0.14%)
Mar 26, 2012	81.88	81.88	81.78	81.86	328,540	-0.03(-0.04%)
Mar 23, 2012	81.87	81.94	81.82	81.89	706,649	+0.06(+0.07%)
Mar 22, 2012	81.91	81.93	81.83	81.83	321,196	-0.05(-0.06%)
Mar 21, 2012	81.78	81.88	81.72	81.88	368,027	+0.22(+0.27%)
Mar 20, 2012	81.79	81.80	81.63	81.66	424,570	-0.08(-0.09%)
Mar 19, 2012	81.91	81.91	81.71	81.73	388,138	-0.14(-0.18%)
Mar 16, 2012	81.78	81.88	81.75	81.88	303,385	+0.08(+0.10%)
Mar 15, 2012	81.72	81.86	81.72	81.79	597,905	+0.01(+0.01%)
Mar 14, 2012	81.91	81.91	81.74	81.78	446,642	-0.17(-0.21%)
Mar 13, 2012	82.01	82.04	81.93	81.95	496,623	-0.10(-0.12%)
Mar 12, 2012	82.06	82.09	82.02	82.05	364,503	+0.02(+0.02%)
Mar 09, 2012	81.94	82.04	81.90	82.03	413,517	+0.14(+0.17%)
Mar 08, 2012	81.94	81.94	81.87	81.89	586,979	-0.02(-0.02%)
Mar 07, 2012	81.94	81.96	81.89	81.91	459,063	-0.08(-0.10%)
Mar 06, 2012	81.97	82.01	81.94	81.99	564,430	+0.08(+0.09%)
Mar 05, 2012	81.91	81.98	81.91	81.91	562,825	-0.03(-0.04%)
Mar 02, 2012	81.92	82.01	81.91	81.94	326,650	+0.03(+0.04%)
Mar 01, 2012	81.86	81.94	81.80	81.91	623,966	-0.00(-0.01%)
Feb 29, 2012	81.99	81.99	81.90	81.92	764,632	-0.05(-0.06%)
Feb 28, 2012	81.94	82.01	81.94	81.97	539,432	+0.05(+0.06%)
Feb 27, 2012	81.97	81.99	81.91	81.92	657,033	+0.00(+0.00%)
Feb 24, 2012	81.97	81.99	81.87	81.92	387,369	-0.05(-0.06%)
Feb 23, 2012	81.96	82.02	81.91	81.97	444,546	+0.01(+0.01%)
Feb 22, 2012	81.89	81.97	81.86	81.96	351,005	+0.07(+0.08%)
Feb 21, 2012	81.94	81.94	81.87	81.90	361,428	-0.03(-0.04%)
Feb 17, 2012	81.86	81.94	81.86	81.93	330,965	-0.01(-0.01%)
Feb 16, 2012	82.03	82.04	81.92	81.93	988,372	-0.09(-0.11%)
Feb 15, 2012	82.05	82.11	82.01	82.02	373,700	-0.03(-0.04%)
Feb 14, 2012	82.04	82.06	81.96	82.06	522,031	+0.10(+0.12%)
Feb 13, 2012	81.95	81.97	81.88	81.96	688,822	+0.04(+0.05%)
Feb 10, 2012	81.84	81.94	81.81	81.92	1,493,239	+0.10(+0.12%)
Feb 09, 2012	81.93	81.93	81.78	81.82	585,218	-0.08(-0.09%)
Feb 08, 2012	81.90	81.94	81.82	81.90	525,494	+0.02(+0.03%)
Feb 07, 2012	81.96	81.96	81.81	81.87	361,357	-0.05(-0.06%)
Feb 06, 2012	81.92	81.92	81.84	81.92	625,917	+0.05(+0.06%)
Feb 03, 2012	81.87	81.89	81.78	81.87	488,104	-0.05(-0.06%)
Feb 02, 2012	81.86	81.93	81.82	81.91	375,674	+0.05(+0.06%)

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