Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	22.55	22.60	22.48	22.48	418,686	+0.01(+0.03%)
Apr 28, 2011	22.23	22.49	22.22	22.47	757,684	+0.10(+0.45%)
Apr 27, 2011	22.03	22.40	21.98	22.37	400,291	+0.47(+2.13%)
Apr 26, 2011	21.84	21.95	21.79	21.91	439,277	+0.21(+0.96%)
Apr 25, 2011	21.74	21.74	21.59	21.70	142,219	+0.04(+0.20%)
Apr 21, 2011	21.60	21.71	21.55	21.65	334,387	+0.10(+0.47%)
Apr 20, 2011	21.38	21.60	21.36	21.55	315,544	+0.76(+3.63%)
Apr 19, 2011	20.78	20.84	20.62	20.80	246,012	+0.49(+2.42%)
Apr 18, 2011	20.50	20.52	20.09	20.31	275,981	-0.65(-3.12%)
Apr 15, 2011	20.91	21.03	20.82	20.96	398,492	-0.06(-0.26%)
Apr 14, 2011	20.75	21.05	20.72	21.02	204,796	+0.17(+0.81%)
Apr 13, 2011	20.97	21.06	20.75	20.85	324,993	+0.22(+1.07%)
Apr 12, 2011	20.83	20.86	20.55	20.63	1,111,376	-0.42(-2.00%)
Apr 11, 2011	21.17	21.20	21.01	21.05	203,347	-0.20(-0.95%)
Apr 08, 2011	21.26	21.36	21.18	21.25	226,300	+0.37(+1.78%)
Apr 07, 2011	21.02	21.06	20.77	20.88	321,838	-0.21(-0.98%)
Apr 06, 2011	20.96	21.10	20.91	21.09	210,862	+0.28(+1.35%)
Apr 05, 2011	20.68	20.89	20.65	20.80	241,501	-0.06(-0.30%)
Apr 04, 2011	20.91	20.92	20.79	20.87	283,472	+0.04(+0.21%)
Apr 01, 2011	20.65	20.90	20.49	20.82	357,005	+0.18(+0.88%)
Mar 31, 2011	20.62	20.72	20.52	20.64	270,221	+0.01(+0.03%)
Mar 30, 2011	20.58	20.70	20.50	20.64	205,823	+0.14(+0.71%)
Mar 29, 2011	20.14	20.49	20.12	20.49	1,526,349	+0.33(+1.66%)
Mar 28, 2011	20.13	20.32	20.13	20.16	225,997	+0.04(+0.19%)
Mar 25, 2011	20.16	20.30	20.09	20.12	459,048	-0.20(-0.99%)
Mar 24, 2011	20.11	20.33	20.02	20.32	492,189	+0.42(+2.09%)
Mar 23, 2011	19.83	19.98	19.74	19.90	618,073	+0.09(+0.47%)
Mar 22, 2011	19.85	19.90	19.68	19.81	585,833	-0.20(-0.98%)
Mar 21, 2011	19.89	20.04	19.89	20.01	664,839	+0.46(+2.35%)
Mar 18, 2011	19.58	19.66	19.46	19.55	1,658,875	+0.69(+3.64%)
Mar 17, 2011	18.89	18.99	18.80	18.86	3,945,619	+0.59(+3.24%)
Mar 16, 2011	18.89	18.97	18.04	18.27	1,128,082	-0.59(-3.14%)
Mar 15, 2011	18.73	18.93	18.72	18.86	635,935	-0.68(-3.48%)
Mar 14, 2011	19.60	19.65	19.41	19.54	235,633	-0.17(-0.86%)
Mar 11, 2011	19.54	19.78	19.54	19.71	903,330	-0.02(-0.08%)
Mar 10, 2011	19.98	19.98	19.68	19.73	379,334	-0.50(-2.47%)
Mar 09, 2011	20.27	20.30	20.13	20.23	1,079,597	+0.21(+1.04%)
Mar 08, 2011	20.01	20.07	19.94	20.02	328,735	+0.12(+0.60%)
Mar 07, 2011	20.11	20.22	19.80	19.90	432,886	+0.03(+0.13%)
Mar 04, 2011	20.12	20.16	19.72	19.87	429,860	-0.21(-1.03%)
Mar 03, 2011	19.95	20.12	19.84	20.08	544,534	+0.23(+1.14%)
Mar 02, 2011	19.79	19.92	19.69	19.85	1,440,214	+0.03(+0.13%)
Mar 01, 2011	20.24	20.29	19.80	19.83	447,624	-0.30(-1.47%)
Feb 28, 2011	20.16	20.37	20.04	20.13	861,692	+0.45(+2.27%)
Feb 25, 2011	19.62	19.73	19.54	19.68	313,442	+0.17(+0.87%)
Feb 24, 2011	19.65	19.70	19.33	19.51	402,138	+0.25(+1.27%)
Feb 23, 2011	19.34	19.47	19.20	19.26	1,975,501	-0.12(-0.62%)
Feb 22, 2011	19.56	19.76	19.36	19.38	942,464	-0.49(-2.45%)
Feb 18, 2011	19.74	19.88	19.71	19.87	349,080	+0.12(+0.62%)
Feb 17, 2011	19.57	19.77	19.40	19.75	788,920	-0.21(-1.03%)
Feb 16, 2011	19.77	19.99	19.77	19.95	1,090,234	+0.21(+1.05%)
Feb 15, 2011	19.75	19.82	19.61	19.75	644,713	-0.16(-0.79%)
Feb 14, 2011	19.97	20.02	19.82	19.90	1,045,905	-0.18(-0.88%)
Feb 11, 2011	19.73	20.10	19.70	20.08	2,085,835	+0.21(+1.08%)
Feb 10, 2011	19.78	19.90	19.63	19.87	1,704,881	-0.23(-1.16%)
Feb 09, 2011	20.07	20.14	20.00	20.10	1,385,407	-0.05(-0.25%)
Feb 08, 2011	20.00	20.18	19.89	20.15	1,185,999	+0.06(+0.28%)
Feb 07, 2011	19.98	20.13	19.90	20.09	1,814,032	+0.00(+0.00%)
Feb 04, 2011	19.89	20.11	19.82	20.09	3,113,342	+0.01(+0.06%)
Feb 03, 2011	20.07	20.16	19.88	20.08	9,484,056	+0.08(+0.38%)
Feb 02, 2011	19.88	20.01	19.81	20.01	1,010,963	-0.52(-2.52%)

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