Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	19.83	19.88	19.62	19.71	5,426,718	-0.04(-0.18%)
Mar 30, 2011	19.74	19.74	19.74	19.74	3,880,143	+0.17(+0.89%)
Mar 29, 2011	19.40	19.58	19.33	19.57	4,009,358	+0.17(+0.87%)
Mar 28, 2011	19.54	19.57	19.36	19.40	3,648,478	+0.05(+0.24%)
Mar 25, 2011	19.41	19.51	19.34	19.35	4,211,437	+0.05(+0.24%)
Mar 24, 2011	19.23	19.39	19.20	19.31	4,253,586	+0.01(+0.03%)
Mar 23, 2011	19.28	19.35	19.25	19.30	4,476,912	-0.18(-0.95%)
Mar 22, 2011	19.53	19.55	19.42	19.49	2,897,689	+0.09(+0.45%)
Mar 21, 2011	19.37	19.42	19.33	19.40	2,961,372	+0.24(+1.26%)
Mar 18, 2011	19.18	19.21	19.08	19.16	4,633,432	+0.00(+0.00%)
Mar 17, 2011	19.03	19.28	19.00	19.16	5,146,028	+0.38(+2.02%)
Mar 16, 2011	19.07	19.14	18.67	18.78	8,562,652	-0.52(-2.69%)
Mar 15, 2011	19.22	19.35	19.22	19.30	4,830,715	-0.50(-2.51%)
Mar 14, 2011	19.81	19.89	19.67	19.80	4,607,729	-0.08(-0.41%)
Mar 11, 2011	19.72	19.92	19.67	19.88	4,310,175	+0.17(+0.89%)
Mar 10, 2011	19.85	19.86	19.63	19.70	6,081,908	-0.09(-0.47%)
Mar 09, 2011	19.81	19.86	19.72	19.80	4,692,808	+0.22(+1.10%)
Mar 08, 2011	19.53	19.68	19.50	19.58	3,132,844	-0.04(-0.18%)
Mar 07, 2011	19.86	19.87	19.54	19.62	2,604,429	-0.13(-0.65%)
Mar 04, 2011	19.85	19.86	19.59	19.74	3,686,520	+0.04(+0.21%)
Mar 03, 2011	19.60	19.74	19.52	19.70	3,177,563	+0.17(+0.89%)
Mar 02, 2011	19.57	19.66	19.45	19.53	2,427,760	-0.05(-0.26%)
Mar 01, 2011	19.74	19.83	19.57	19.58	3,282,175	-0.23(-1.17%)
Feb 28, 2011	19.81	19.92	19.78	19.81	2,588,357	+0.17(+0.86%)
Feb 25, 2011	19.48	19.64	19.44	19.64	2,148,087	+0.08(+0.39%)
Feb 24, 2011	19.56	19.63	19.42	19.57	4,100,814	-0.05(-0.24%)
Feb 23, 2011	19.70	19.79	19.58	19.61	5,178,574	+0.08(+0.39%)
Feb 22, 2011	19.69	19.80	19.48	19.53	5,742,963	-0.55(-2.76%)
Feb 18, 2011	19.96	20.17	19.92	20.09	9,461,070	+0.31(+1.56%)
Feb 17, 2011	19.65	19.83	19.64	19.78	4,248,274	+0.08(+0.42%)
Feb 16, 2011	19.56	19.77	19.54	19.70	5,513,208	+0.06(+0.31%)
Feb 15, 2011	19.61	19.67	19.58	19.64	4,160,632	+0.02(+0.08%)
Feb 14, 2011	19.38	19.64	19.35	19.62	5,507,853	+0.25(+1.30%)
Feb 11, 2011	19.53	19.55	19.35	19.37	4,591,612	-0.20(-1.00%)
Feb 10, 2011	19.42	19.62	19.36	19.57	5,301,457	-0.07(-0.34%)
Feb 09, 2011	19.50	19.65	19.48	19.63	5,511,041	-0.06(-0.30%)
Feb 08, 2011	19.55	19.72	19.52	19.69	9,072,806	-0.07(-0.36%)
Feb 07, 2011	19.39	19.78	19.36	19.76	11,418,696	+0.57(+2.95%)
Feb 04, 2011	19.11	19.20	19.05	19.20	4,930,046	+0.00(+0.00%)
Feb 03, 2011	19.19	19.29	19.07	19.20	7,774,345	+0.52(+2.79%)
Feb 02, 2011	18.63	18.68	18.57	18.68	5,419,370	-0.21(-1.10%)
Feb 01, 2011	18.62	18.90	18.58	18.88	5,343,429	+0.54(+2.92%)
Jan 31, 2011	18.33	18.46	18.32	18.35	8,488,642	-0.04(-0.19%)
Jan 28, 2011	18.53	18.62	18.34	18.38	13,906,909	-0.54(-2.83%)
Jan 27, 2011	19.03	19.06	18.90	18.92	5,898,177	-0.02(-0.11%)
Jan 26, 2011	19.04	19.04	18.91	18.94	5,111,521	+0.07(+0.37%)
Jan 25, 2011	18.74	18.88	18.71	18.87	5,302,400	-0.25(-1.29%)
Jan 24, 2011	19.05	19.18	19.03	19.12	4,680,147	+0.25(+1.34%)
Jan 21, 2011	18.89	18.92	18.74	18.86	4,521,200	+0.15(+0.81%)
Jan 20, 2011	19.20	18.77	18.54	18.71	9,976,708	-0.48(-2.53%)
Jan 19, 2011	19.43	19.51	19.04	19.20	8,517,460	-0.09(-0.45%)
Jan 18, 2011	19.10	19.32	19.09	19.28	8,373,019	-0.50(-2.55%)
Jan 14, 2011	19.72	19.83	19.70	19.79	4,038,153	+0.15(+0.77%)
Jan 13, 2011	19.74	19.76	19.60	19.64	3,310,029	-0.08(-0.38%)
Jan 12, 2011	19.55	19.73	19.47	19.71	3,830,141	+0.22(+1.11%)
Jan 11, 2011	19.39	19.49	19.32	19.49	4,139,856	-0.09(-0.44%)
Jan 10, 2011	19.51	19.58	19.48	19.58	3,987,360	+0.00(+0.00%)
Jan 07, 2011	19.56	19.66	19.53	19.58	4,736,431	-0.14(-0.72%)
Jan 06, 2011	19.76	19.80	19.61	19.72	4,633,221	+0.06(+0.28%)
Jan 05, 2011	19.66	19.76	19.61	19.67	7,618,300	-0.46(-2.31%)
Jan 04, 2011	20.11	20.15	19.99	20.13	3,616,592	+0.31(+1.55%)

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