Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	72.73	72.73	72.13	72.50	402,673	-0.45(-0.62%)
Apr 27, 2012	72.76	73.12	72.58	72.95	305,106	+0.41(+0.56%)
Apr 26, 2012	71.75	72.70	71.75	72.54	225,492	+0.42(+0.58%)
Apr 25, 2012	71.80	72.16	71.70	72.12	373,060	+0.56(+0.78%)
Apr 24, 2012	71.61	71.87	71.33	71.56	400,351	+1.15(+1.64%)
Apr 23, 2012	70.40	70.51	69.95	70.41	715,724	-0.98(-1.38%)
Apr 20, 2012	71.82	71.96	71.36	71.40	700,374	-1.11(-1.53%)
Apr 19, 2012	73.10	73.35	72.39	72.50	466,427	+0.21(+0.29%)
Apr 18, 2012	72.08	72.55	71.99	72.29	446,956	+0.10(+0.14%)
Apr 17, 2012	71.90	72.65	71.75	72.19	382,318	+0.18(+0.25%)
Apr 16, 2012	72.51	72.56	71.84	72.02	301,955	-0.16(-0.22%)
Apr 13, 2012	72.58	72.60	71.87	72.18	505,602	-1.41(-1.92%)
Apr 12, 2012	72.84	73.67	72.79	73.59	373,544	+0.44(+0.61%)
Apr 11, 2012	73.06	73.21	72.48	73.14	541,042	+1.39(+1.94%)
Apr 10, 2012	72.65	73.06	71.53	71.75	840,732	-0.67(-0.93%)
Apr 09, 2012	72.34	72.72	72.16	72.42	496,882	-1.91(-2.58%)
Apr 05, 2012	73.84	74.40	73.77	74.34	372,017	+0.23(+0.31%)
Apr 04, 2012	74.26	74.33	73.55	74.11	707,206	-2.32(-3.04%)
Apr 03, 2012	76.82	76.92	76.01	76.43	493,356	-0.42(-0.54%)
Apr 02, 2012	75.93	77.10	75.91	76.85	625,828	-0.12(-0.15%)
Mar 30, 2012	77.23	77.26	76.71	76.96	304,980	+0.67(+0.88%)
Mar 29, 2012	76.06	76.39	75.74	76.29	424,087	-0.57(-0.74%)
Mar 28, 2012	77.21	77.25	76.42	76.86	825,113	+0.94(+1.24%)
Mar 27, 2012	76.11	76.24	75.70	75.92	541,629	+1.76(+2.38%)
Mar 26, 2012	74.01	74.36	73.67	74.15	635,865	+0.52(+0.70%)
Mar 23, 2012	73.28	73.63	72.94	73.63	497,623	-0.59(-0.79%)
Mar 22, 2012	73.82	74.48	73.81	74.22	587,956	+0.41(+0.56%)
Mar 21, 2012	73.91	74.05	73.66	73.81	322,462	-0.62(-0.83%)
Mar 20, 2012	74.22	74.60	73.93	74.43	345,493	-0.51(-0.68%)
Mar 19, 2012	74.90	74.97	74.54	74.94	359,483	-0.14(-0.19%)
Mar 16, 2012	75.40	75.47	75.05	75.08	418,813	+0.05(+0.07%)
Mar 15, 2012	74.81	75.10	74.54	75.02	672,537	+1.58(+2.15%)
Mar 14, 2012	73.90	74.02	73.24	73.44	392,087	-0.38(-0.51%)
Mar 13, 2012	73.05	73.84	73.05	73.82	350,323	+1.05(+1.44%)
Mar 12, 2012	73.12	73.12	72.62	72.77	308,648	-0.91(-1.23%)
Mar 09, 2012	73.36	73.79	73.27	73.68	572,139	+1.13(+1.56%)
Mar 08, 2012	72.25	72.57	72.16	72.54	514,587	+1.58(+2.23%)
Mar 07, 2012	70.71	71.04	70.57	70.96	385,568	+0.50(+0.71%)
Mar 06, 2012	70.60	70.61	70.06	70.46	695,745	-0.96(-1.34%)
Mar 05, 2012	71.54	71.60	71.11	71.42	596,360	-0.29(-0.40%)
Mar 02, 2012	71.57	71.73	71.06	71.71	951,558	-1.32(-1.81%)
Mar 01, 2012	72.59	73.30	72.54	73.03	621,058	+0.32(+0.44%)
Feb 29, 2012	73.52	73.78	72.68	72.71	574,842	-1.71(-2.29%)
Feb 28, 2012	74.05	74.56	73.93	74.42	419,166	+0.92(+1.26%)
Feb 27, 2012	72.96	73.71	72.76	73.49	441,082	-0.83(-1.11%)
Feb 24, 2012	74.03	74.64	74.03	74.32	645,590	+0.41(+0.56%)
Feb 23, 2012	73.74	73.94	73.28	73.91	410,272	-0.21(-0.28%)
Feb 22, 2012	73.83	74.16	73.78	74.12	567,462	+0.96(+1.31%)
Feb 21, 2012	73.12	73.40	72.84	73.16	436,620	-0.12(-0.17%)
Feb 17, 2012	73.63	73.67	73.07	73.28	347,526	-0.25(-0.35%)
Feb 16, 2012	72.97	73.60	72.83	73.54	1,819,563	+0.96(+1.32%)
Feb 15, 2012	72.88	73.05	72.42	72.58	1,085,325	+2.25(+3.20%)
Feb 14, 2012	70.21	70.33	69.95	70.33	652,561	+0.96(+1.38%)
Feb 13, 2012	69.27	69.59	69.26	69.37	429,718	+0.46(+0.66%)
Feb 10, 2012	69.40	69.48	68.71	68.91	805,036	-2.19(-3.08%)
Feb 09, 2012	71.51	71.65	70.87	71.10	797,798	-0.15(-0.21%)
Feb 08, 2012	71.26	71.34	70.89	71.25	1,193,363	+1.27(+1.81%)
Feb 07, 2012	69.87	70.33	69.45	69.99	1,183,680	+1.67(+2.44%)
Feb 06, 2012	68.20	68.64	68.04	68.32	754,049	+1.09(+1.62%)
Feb 03, 2012	67.22	67.49	67.05	67.23	570,224	+0.21(+0.31%)
Feb 02, 2012	66.94	67.15	66.73	67.01	587,296	+0.91(+1.37%)

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