Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	37.31	37.63	37.01	37.49	357,640	+0.20(+0.54%)
May 23, 2011	37.72	37.72	37.24	37.29	384,011	-0.92(-2.41%)
May 20, 2011	38.36	38.57	37.86	38.21	280,475	-0.26(-0.68%)
May 19, 2011	38.56	39.29	38.46	38.47	461,113	+0.10(+0.26%)
May 18, 2011	38.07	38.59	37.95	38.37	667,645	+0.24(+0.63%)
May 17, 2011	37.85	38.34	37.60	38.13	566,179	+0.28(+0.74%)
May 16, 2011	38.42	38.57	37.75	37.85	737,147	-0.88(-2.27%)
May 13, 2011	39.00	39.54	38.50	38.73	532,106	-0.46(-1.17%)
May 12, 2011	38.92	39.55	38.91	39.19	543,770	+0.04(+0.10%)
May 11, 2011	38.69	39.38	38.54	39.15	691,359	+0.41(+1.06%)
May 10, 2011	38.08	38.85	37.88	38.74	1,593,797	-0.30(-0.77%)
May 09, 2011	39.19	39.30	38.71	39.04	577,850	-0.20(-0.51%)
May 06, 2011	38.72	40.37	38.55	39.24	725,692	+0.75(+1.95%)
May 05, 2011	41.20	41.31	38.28	38.49	982,882	-3.63(-8.62%)
May 04, 2011	42.13	42.62	41.44	42.12	545,111	+0.07(+0.17%)
May 03, 2011	42.16	42.44	41.73	42.05	438,741	-0.25(-0.59%)
May 02, 2011	42.40	42.46	42.29	42.30	280,843	-0.61(-1.42%)
Apr 29, 2011	42.84	43.17	42.58	42.91	323,889	+0.11(+0.26%)
Apr 28, 2011	42.90	43.39	42.75	42.80	294,381	-0.21(-0.49%)
Apr 27, 2011	42.56	43.02	42.24	43.01	292,291	+0.57(+1.34%)
Apr 26, 2011	42.90	42.98	42.31	42.44	291,662	-0.18(-0.42%)
Apr 25, 2011	42.83	42.90	42.40	42.62	198,949	-0.18(-0.42%)
Apr 21, 2011	42.38	42.91	42.11	42.80	404,573	+0.73(+1.74%)
Apr 20, 2011	41.42	42.20	41.36	42.07	440,167	+1.08(+2.63%)
Apr 19, 2011	40.51	41.02	40.51	40.99	342,355	+0.47(+1.16%)
Apr 18, 2011	40.70	40.76	39.85	40.52	508,898	-0.53(-1.29%)
Apr 15, 2011	41.18	41.36	40.75	41.05	264,452	-0.05(-0.12%)
Apr 14, 2011	40.48	41.39	40.38	41.10	457,237	+0.38(+0.93%)
Apr 13, 2011	40.98	41.03	40.50	40.72	621,628	-0.10(-0.24%)
Apr 12, 2011	40.54	41.09	40.14	40.82	504,253	+0.22(+0.54%)
Apr 11, 2011	40.79	40.95	40.34	40.60	366,762	-0.07(-0.17%)
Apr 08, 2011	41.67	41.67	40.29	40.67	546,625	-0.84(-2.02%)
Apr 07, 2011	41.75	41.80	41.15	41.51	256,650	-0.24(-0.57%)
Apr 06, 2011	42.29	42.39	41.49	41.75	307,495	-0.27(-0.64%)
Apr 05, 2011	41.84	42.19	41.77	42.02	382,835	+0.27(+0.65%)
Apr 04, 2011	42.18	42.40	41.59	41.75	467,889	-0.35(-0.83%)
Apr 01, 2011	41.85	42.14	41.70	42.10	521,865	+0.43(+1.03%)
Mar 31, 2011	41.16	41.68	41.16	41.67	508,208	+0.53(+1.29%)
Mar 30, 2011	41.16	41.21	41.14	41.14	559,036	+0.22(+0.54%)
Mar 29, 2011	40.54	41.16	40.54	40.92	547,385	+0.23(+0.57%)
Mar 28, 2011	40.40	40.91	40.40	40.69	359,603	+0.29(+0.72%)
Mar 25, 2011	40.25	40.99	40.15	40.40	659,446	+0.31(+0.77%)
Mar 24, 2011	40.07	40.37	39.71	40.09	585,680	+0.20(+0.50%)
Mar 23, 2011	39.73	40.03	39.37	39.89	422,895	+0.20(+0.50%)
Mar 22, 2011	39.48	39.95	39.31	39.69	501,995	+0.11(+0.28%)
Mar 21, 2011	39.90	40.00	39.50	39.58	382,491	+0.81(+2.09%)
Mar 18, 2011	38.62	39.00	38.56	38.77	463,369	+0.51(+1.33%)
Mar 17, 2011	38.81	38.89	38.14	38.26	596,040	-0.06(-0.16%)
Mar 16, 2011	38.41	38.84	38.19	38.32	495,642	-0.22(-0.57%)
Mar 15, 2011	38.64	38.81	38.44	38.54	527,064	-0.20(-0.52%)
Mar 14, 2011	38.78	39.15	38.47	38.74	381,024	-0.34(-0.87%)
Mar 11, 2011	38.26	39.21	38.09	39.08	1,070,591	+1.09(+2.87%)
Mar 10, 2011	38.42	38.52	37.90	37.99	572,283	-0.82(-2.11%)
Mar 09, 2011	38.22	39.12	38.04	38.81	641,076	+0.58(+1.52%)
Mar 08, 2011	37.91	38.59	37.81	38.23	483,624	+0.23(+0.61%)
Mar 07, 2011	38.50	38.51	37.38	38.00	492,109	-0.51(-1.32%)
Mar 04, 2011	38.65	38.97	37.89	38.51	701,535	-0.27(-0.70%)
Mar 03, 2011	37.63	38.91	37.63	38.78	794,925	+1.42(+3.80%)
Mar 02, 2011	37.50	37.76	37.29	37.36	449,739	-0.29(-0.77%)

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