Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	19.23	19.45	19.13	19.38	14,909,755	+0.24(+1.28%)
Apr 28, 2011	18.87	19.22	18.81	19.13	21,713,668	+0.24(+1.25%)
Apr 27, 2011	19.20	19.21	18.76	18.90	20,776,296	-0.22(-1.16%)
Apr 26, 2011	19.11	19.27	19.09	19.12	14,474,782	+0.05(+0.27%)
Apr 25, 2011	19.12	19.27	19.04	19.07	17,624,884	-0.52(-2.64%)
Apr 21, 2011	19.76	20.25	19.54	19.58	24,711,368	+0.33(+1.69%)
Apr 20, 2011	19.55	19.88	19.16	19.26	30,944,478	-0.04(-0.23%)
Apr 19, 2011	19.73	19.77	19.23	19.30	16,827,002	-0.33(-1.69%)
Apr 18, 2011	19.71	19.73	19.41	19.64	16,313,499	-0.32(-1.59%)
Apr 15, 2011	19.90	20.09	19.81	19.95	18,247,600	+0.14(+0.71%)
Apr 14, 2011	19.70	19.84	19.50	19.81	14,483,910	+0.00(+0.00%)
Apr 13, 2011	20.15	20.22	19.67	19.81	16,787,844	-0.01(-0.07%)
Apr 12, 2011	19.65	19.88	19.56	19.83	18,932,646	-0.07(-0.37%)
Apr 11, 2011	20.19	20.31	19.87	19.90	13,262,046	-0.25(-1.25%)
Apr 08, 2011	20.58	20.58	20.06	20.15	11,466,703	-0.27(-1.34%)
Apr 07, 2011	20.56	20.89	20.41	20.43	14,390,467	-0.10(-0.50%)
Apr 06, 2011	20.20	20.61	20.05	20.53	16,203,545	+0.43(+2.13%)
Apr 05, 2011	20.04	20.14	19.96	20.10	9,075,027	+0.06(+0.30%)
Apr 04, 2011	20.41	20.41	19.99	20.04	12,202,845	-0.12(-0.59%)
Apr 01, 2011	20.27	20.32	20.09	20.16	15,494,189	-0.04(-0.22%)
Mar 31, 2011	20.04	20.41	20.01	20.21	11,686,080	+0.07(+0.33%)
Mar 30, 2011	20.14	20.14	20.14	20.14	16,389,177	+0.00(+0.00%)
Mar 29, 2011	20.08	20.15	19.91	20.14	11,503,094	+0.04(+0.18%)
Mar 28, 2011	20.08	20.31	20.07	20.10	8,686,061	+0.04(+0.18%)
Mar 25, 2011	20.46	20.49	20.03	20.07	17,165,192	-0.36(-1.74%)
Mar 24, 2011	20.45	20.50	20.24	20.42	13,792,959	+0.03(+0.15%)
Mar 23, 2011	20.35	20.44	20.04	20.39	17,544,396	-0.14(-0.68%)
Mar 22, 2011	20.58	20.86	20.52	20.53	10,958,309	-0.02(-0.11%)
Mar 21, 2011	20.51	20.61	20.46	20.55	10,701,724	+0.27(+1.31%)
Mar 18, 2011	20.32	20.61	20.16	20.29	23,931,648	-0.01(-0.07%)
Mar 17, 2011	20.32	20.41	20.01	20.30	17,321,418	+0.25(+1.25%)
Mar 16, 2011	20.47	20.53	19.75	20.05	25,071,878	-0.40(-1.95%)
Mar 15, 2011	20.48	20.61	20.38	20.45	20,046,060	-0.19(-0.93%)
Mar 14, 2011	20.74	20.83	20.46	20.64	13,904,823	-0.32(-1.52%)
Mar 11, 2011	20.74	21.00	20.71	20.96	9,554,635	+0.20(+0.96%)
Mar 10, 2011	20.95	21.03	20.67	20.76	15,350,049	-0.48(-2.26%)
Mar 09, 2011	21.25	21.39	21.06	21.24	11,488,447	-0.06(-0.28%)
Mar 08, 2011	21.03	21.43	20.95	21.30	14,849,999	+0.36(+1.69%)
Mar 07, 2011	21.09	21.20	20.75	20.95	16,725,726	-0.09(-0.42%)
Mar 04, 2011	21.49	21.51	20.80	21.03	25,551,688	-0.80(-3.66%)
Mar 03, 2011	21.66	21.86	21.58	21.83	13,176,276	+0.40(+1.86%)
Mar 02, 2011	21.32	21.63	21.20	21.43	12,222,862	+0.12(+0.56%)
Mar 01, 2011	21.96	22.03	21.32	21.32	16,997,782	-0.63(-2.85%)
Feb 28, 2011	22.17	22.22	21.74	21.94	16,481,397	-0.15(-0.69%)
Feb 25, 2011	21.95	22.20	21.87	22.09	11,522,642	+0.28(+1.29%)
Feb 24, 2011	21.85	21.87	21.35	21.81	18,189,124	-0.04(-0.20%)
Feb 23, 2011	21.91	22.16	21.53	21.86	14,771,518	+0.02(+0.10%)
Feb 22, 2011	22.32	22.41	21.76	21.83	17,101,524	-1.09(-4.74%)
Feb 18, 2011	22.71	22.96	22.70	22.92	14,735,901	+0.22(+0.98%)
Feb 17, 2011	22.40	22.74	22.40	22.70	9,217,382	-0.01(-0.07%)
Feb 16, 2011	22.49	22.81	22.48	22.71	13,276,316	+0.29(+1.29%)
Feb 15, 2011	22.06	22.52	22.06	22.42	13,787,513	+0.25(+1.13%)
Feb 14, 2011	22.18	22.30	22.10	22.17	10,760,495	-0.13(-0.60%)
Feb 11, 2011	21.92	22.37	21.85	22.31	13,531,662	+0.24(+1.11%)
Feb 10, 2011	22.13	22.34	21.82	22.06	17,387,582	-0.18(-0.83%)
Feb 09, 2011	22.48	22.51	21.93	22.25	22,213,720	-0.41(-1.83%)
Feb 08, 2011	22.48	22.83	22.40	22.66	17,633,448	+0.16(+0.72%)
Feb 07, 2011	22.18	22.64	22.11	22.50	15,396,885	+0.42(+1.91%)
Feb 04, 2011	22.00	22.08	21.82	22.08	12,350,862	+0.30(+1.36%)
Feb 03, 2011	21.94	22.09	21.52	21.78	11,586,161	-0.16(-0.71%)
Feb 02, 2011	22.04	22.20	21.88	21.94	12,478,267	-0.19(-0.87%)

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