Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	60.36	60.61	59.86	60.30	45,879	+0.07(+0.12%)
May 30, 2012	60.60	60.71	60.17	60.23	66,222	-1.06(-1.73%)
May 29, 2012	61.00	61.75	60.65	61.29	68,881	+0.47(+0.77%)
May 25, 2012	60.62	60.82	60.34	60.82	34,992	+0.01(+0.02%)
May 24, 2012	60.90	60.90	60.08	60.81	69,967	+0.13(+0.21%)
May 23, 2012	60.32	61.18	59.29	60.68	98,317	-0.20(-0.33%)
May 22, 2012	60.06	61.01	60.06	60.88	83,367	+0.67(+1.11%)
May 21, 2012	58.63	60.22	58.52	60.21	119,515	+1.78(+3.05%)
May 18, 2012	57.05	58.95	57.05	58.43	80,887	+1.27(+2.22%)
May 17, 2012	58.24	58.75	56.49	57.16	86,677	-1.35(-2.31%)
May 16, 2012	59.28	59.98	58.35	58.51	41,142	-0.73(-1.23%)
May 15, 2012	58.80	60.71	58.80	59.24	64,529	+0.33(+0.56%)
May 14, 2012	57.37	59.13	57.27	58.91	53,520	+0.84(+1.45%)
May 11, 2012	57.58	58.75	57.58	58.07	43,718	+0.03(+0.05%)
May 10, 2012	57.90	59.08	57.51	58.04	104,616	+0.24(+0.42%)
May 09, 2012	57.95	58.31	57.22	57.80	97,783	-0.47(-0.81%)
May 08, 2012	58.84	58.92	57.93	58.27	71,230	-1.01(-1.70%)
May 07, 2012	58.92	59.85	58.63	59.28	140,772	+0.03(+0.05%)
May 04, 2012	60.15	60.15	58.64	59.25	62,307	-1.26(-2.08%)
May 03, 2012	63.09	63.09	60.05	60.51	91,283	-2.50(-3.97%)
May 02, 2012	62.96	63.32	62.33	63.01	71,079	-0.10(-0.16%)
May 01, 2012	62.33	63.63	62.19	63.11	65,320	+1.06(+1.71%)
Apr 30, 2012	62.26	62.37	61.63	62.05	155,481	-0.21(-0.34%)
Apr 27, 2012	61.88	62.64	58.76	62.26	56,121	-0.12(-0.19%)
Apr 26, 2012	62.78	63.01	62.25	62.38	41,147	-0.56(-0.89%)
Apr 25, 2012	63.01	63.81	62.08	62.94	71,498	+0.57(+0.91%)
Apr 24, 2012	62.16	62.79	61.75	62.37	42,179	+0.12(+0.19%)
Apr 23, 2012	61.85	62.38	61.26	62.25	52,931	-0.58(-0.92%)
Apr 20, 2012	62.67	63.73	62.28	62.83	85,326	+0.39(+0.62%)
Apr 19, 2012	63.78	63.89	62.09	62.44	58,893	-1.53(-2.39%)
Apr 18, 2012	64.14	64.14	63.46	63.97	57,915	-0.35(-0.54%)
Apr 17, 2012	64.49	64.96	64.18	64.32	43,730	+0.33(+0.52%)
Apr 16, 2012	64.39	64.74	63.93	63.99	40,304	-0.02(-0.03%)
Apr 13, 2012	64.60	64.77	63.80	64.01	49,779	-0.85(-1.31%)
Apr 12, 2012	64.87	65.25	64.45	64.86	66,037	+0.06(+0.09%)
Apr 11, 2012	64.99	65.11	64.48	64.80	45,796	+0.42(+0.65%)
Apr 10, 2012	65.08	66.70	64.19	64.38	102,631	-0.54(-0.83%)
Apr 09, 2012	65.17	65.80	64.67	64.92	61,623	-1.08(-1.64%)
Apr 05, 2012	65.28	67.90	65.28	66.00	483,150	-12.88(-16.33%)
Apr 04, 2012	78.75	79.51	78.06	78.88	305,112	-0.38(-0.48%)
Apr 03, 2012	80.43	80.43	78.65	79.26	202,272	-0.61(-0.76%)
Apr 02, 2012	79.90	81.73	79.04	79.87	1,613,302	+0.27(+0.34%)
Mar 30, 2012	82.46	82.46	79.38	79.60	119,055	-0.59(-0.74%)
Mar 29, 2012	81.99	82.48	79.30	80.19	188,244	+0.84(+1.06%)
Mar 28, 2012	79.49	79.78	78.84	79.35	32,796	-0.30(-0.38%)
Mar 27, 2012	78.79	79.68	78.52	79.65	77,562	+0.75(+0.95%)
Mar 26, 2012	78.52	79.32	78.44	78.90	62,125	+1.10(+1.41%)
Mar 23, 2012	78.04	78.19	76.92	77.80	37,247	+0.03(+0.04%)
Mar 22, 2012	77.32	77.90	76.75	77.77	30,718	-0.01(-0.01%)
Mar 21, 2012	76.83	78.10	76.39	77.78	41,693	+1.23(+1.61%)
Mar 20, 2012	77.42	77.42	76.25	76.55	41,420	-1.06(-1.37%)
Mar 19, 2012	77.17	78.44	76.90	77.61	47,722	+0.46(+0.60%)
Mar 16, 2012	76.35	77.33	75.95	77.15	65,373	+0.73(+0.96%)
Mar 15, 2012	76.19	76.55	75.77	76.42	40,283	+0.51(+0.67%)
Mar 14, 2012	75.86	77.04	75.69	75.91	46,573	-0.24(-0.32%)
Mar 13, 2012	76.57	76.64	75.88	76.15	45,260	+0.31(+0.41%)
Mar 12, 2012	75.28	76.01	75.28	75.84	37,992	+0.75(+1.00%)
Mar 09, 2012	74.54	76.10	74.42	75.09	69,644	+0.74(+1.00%)
Mar 08, 2012	74.30	74.80	73.71	74.35	24,132	+0.71(+0.96%)
Mar 07, 2012	73.22	73.64	72.74	73.64	19,840	+1.06(+1.46%)
Mar 06, 2012	73.38	74.16	72.17	72.58	52,280	-1.63(-2.20%)
Mar 05, 2012	73.54	74.27	73.54	74.21	32,343	+0.21(+0.28%)
Mar 02, 2012	74.20	74.80	72.37	74.00	60,402	-0.50(-0.67%)

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