Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	58.35	58.35	57.27	58.02	181,427	-0.39(-0.67%)
May 30, 2012	58.90	58.99	58.22	58.41	77,044	-1.16(-1.95%)
May 29, 2012	59.33	59.76	59.06	59.58	70,886	+0.77(+1.31%)
May 25, 2012	58.80	59.02	58.66	58.81	70,755	-0.01(-0.02%)
May 24, 2012	59.09	59.10	58.30	58.82	64,345	-0.16(-0.26%)
May 23, 2012	57.94	59.03	57.54	58.97	133,359	+0.42(+0.72%)
May 22, 2012	58.54	59.09	58.19	58.55	185,982	+0.19(+0.33%)
May 21, 2012	56.86	58.40	56.73	58.36	426,297	+1.60(+2.82%)
May 18, 2012	57.64	57.82	56.69	56.76	274,819	-0.70(-1.23%)
May 17, 2012	59.08	59.14	57.46	57.46	200,366	-1.63(-2.76%)
May 16, 2012	59.54	60.02	59.07	59.09	134,485	-0.32(-0.54%)
May 15, 2012	59.80	60.07	59.25	59.41	99,205	-0.31(-0.52%)
May 14, 2012	59.91	60.22	59.59	59.72	108,007	-0.82(-1.36%)
May 11, 2012	60.08	61.10	59.94	60.55	74,070	+0.09(+0.15%)
May 10, 2012	60.97	61.07	60.40	60.46	97,574	+0.07(+0.11%)
May 09, 2012	59.90	60.72	59.56	60.39	195,789	-0.26(-0.42%)
May 08, 2012	60.58	60.73	59.35	60.65	356,613	-0.45(-0.73%)
May 07, 2012	60.84	61.30	60.79	61.10	82,092	+0.03(+0.05%)
May 04, 2012	61.75	61.87	60.92	61.07	225,846	-1.20(-1.93%)
May 03, 2012	63.18	63.18	62.10	62.27	144,152	-0.97(-1.53%)
May 02, 2012	62.65	63.30	62.61	63.24	75,005	+0.13(+0.20%)
May 01, 2012	62.74	63.62	62.46	63.11	173,032	+0.37(+0.58%)
Apr 30, 2012	62.98	63.07	62.55	62.74	155,415	-0.30(-0.48%)
Apr 27, 2012	63.04	63.22	62.46	63.05	104,217	+0.34(+0.54%)
Apr 26, 2012	61.94	62.79	61.94	62.71	67,874	+0.62(+1.00%)
Apr 25, 2012	61.68	62.08	61.58	62.08	66,349	+1.21(+1.98%)
Apr 24, 2012	61.30	61.30	60.64	60.88	110,839	-0.40(-0.66%)
Apr 23, 2012	61.00	61.31	60.58	61.28	91,664	-0.60(-0.98%)
Apr 20, 2012	62.25	62.31	61.88	61.88	97,686	-0.13(-0.21%)
Apr 19, 2012	62.28	62.83	61.64	62.01	85,273	-0.19(-0.31%)
Apr 18, 2012	61.89	62.39	61.86	62.20	62,256	-0.14(-0.22%)
Apr 17, 2012	61.70	62.52	61.70	62.34	84,909	+1.09(+1.78%)
Apr 16, 2012	61.90	61.98	61.01	61.25	87,788	-0.31(-0.51%)
Apr 13, 2012	61.96	62.11	61.48	61.56	94,439	-0.63(-1.02%)
Apr 12, 2012	61.23	62.29	61.18	62.19	66,470	+1.03(+1.69%)
Apr 11, 2012	61.13	61.40	61.07	61.16	80,483	+0.65(+1.07%)
Apr 10, 2012	61.80	61.93	60.39	60.51	183,787	-1.38(-2.23%)
Apr 09, 2012	61.75	62.05	61.56	61.89	101,997	-0.85(-1.36%)
Apr 05, 2012	62.49	63.00	62.49	62.74	101,088	+0.04(+0.06%)
Apr 04, 2012	62.95	63.12	62.43	62.71	173,009	-0.95(-1.50%)
Apr 03, 2012	63.53	63.84	63.23	63.66	157,767	-0.01(-0.01%)
Apr 02, 2012	63.04	63.91	62.96	63.67	169,490	+0.59(+0.94%)
Mar 30, 2012	63.27	63.39	62.76	63.07	167,495	+0.19(+0.31%)
Mar 29, 2012	62.43	62.99	62.18	62.88	82,059	+0.03(+0.04%)
Mar 28, 2012	63.47	63.54	62.42	62.85	142,631	-0.68(-1.07%)
Mar 27, 2012	63.88	63.89	63.49	63.53	300,525	-0.29(-0.46%)
Mar 26, 2012	63.56	63.82	63.36	63.82	125,653	+0.93(+1.48%)
Mar 23, 2012	62.71	62.96	62.18	62.89	85,280	+0.25(+0.39%)
Mar 22, 2012	62.60	62.82	62.31	62.64	97,831	-0.60(-0.94%)
Mar 21, 2012	63.16	63.45	62.96	63.24	111,854	+0.23(+0.36%)
Mar 20, 2012	63.01	63.11	62.77	63.01	102,626	-0.48(-0.76%)
Mar 19, 2012	63.17	63.72	63.08	63.49	112,171	+0.22(+0.35%)
Mar 16, 2012	63.17	63.39	63.11	63.28	106,927	+0.11(+0.17%)
Mar 15, 2012	62.75	63.17	62.56	63.17	80,437	+0.46(+0.73%)
Mar 14, 2012	63.08	63.19	62.55	62.71	130,311	-0.39(-0.62%)
Mar 13, 2012	62.42	63.11	62.16	63.10	1,182,929	+1.10(+1.77%)
Mar 12, 2012	62.34	62.38	61.87	62.00	74,683	-0.27(-0.44%)
Mar 09, 2012	62.00	62.50	61.91	62.28	84,040	+0.34(+0.56%)
Mar 08, 2012	61.59	62.07	61.31	61.93	126,607	+0.81(+1.32%)
Mar 07, 2012	60.67	61.23	60.67	61.12	90,068	+0.61(+1.01%)
Mar 06, 2012	60.90	60.94	60.28	60.51	214,073	-1.16(-1.88%)
Mar 05, 2012	62.13	62.13	61.46	61.67	166,378	-0.53(-0.85%)
Mar 02, 2012	62.54	62.64	61.94	62.20	54,884	-0.38(-0.61%)

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