Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	21.75	22.00	21.70	21.89	501,135	+0.19(+0.88%)
Mar 30, 2011	21.16	21.74	21.16	21.70	403,909	+0.47(+2.21%)
Mar 29, 2011	21.50	21.52	20.93	21.23	348,301	-0.26(-1.21%)
Mar 28, 2011	21.88	21.88	21.42	21.49	447,145	-0.41(-1.87%)
Mar 25, 2011	22.11	22.40	21.87	21.90	455,792	-0.22(-0.99%)
Mar 24, 2011	22.09	22.29	21.86	22.12	326,206	+0.10(+0.45%)
Mar 23, 2011	22.10	22.38	22.00	22.02	540,269	+0.04(+0.18%)
Mar 22, 2011	21.95	22.00	21.67	21.98	503,950	+0.03(+0.14%)
Mar 21, 2011	21.55	22.00	21.69	21.95	413,053	+0.76(+3.59%)
Mar 18, 2011	21.09	21.34	20.94	21.19	835,945	+0.17(+0.81%)
Mar 17, 2011	21.44	21.44	20.66	21.02	647,608	+0.12(+0.57%)
Mar 16, 2011	21.43	21.45	20.64	20.90	879,669	-0.15(-0.71%)
Mar 15, 2011	19.70	21.06	19.64	21.05	365,976	+0.62(+3.03%)
Mar 14, 2011	20.25	20.45	19.85	20.43	691,667	+0.18(+0.89%)
Mar 11, 2011	19.45	20.30	19.25	20.25	279,026	+0.46(+2.32%)
Mar 10, 2011	20.00	20.00	19.20	19.79	889,439	-0.41(-2.03%)
Mar 09, 2011	20.30	20.41	19.72	20.20	1,168,041	-0.09(-0.44%)
Mar 08, 2011	21.10	21.27	20.21	20.29	986,960	-0.77(-3.66%)
Mar 07, 2011	21.83	21.89	20.82	21.06	702,840	-0.73(-3.35%)
Mar 04, 2011	21.81	22.03	21.66	21.79	409,574	-0.09(-0.41%)
Mar 03, 2011	22.40	22.44	21.77	21.88	680,945	-0.43(-1.93%)
Mar 02, 2011	21.90	22.45	21.26	22.31	730,054	+0.51(+2.34%)
Mar 01, 2011	23.00	23.09	21.53	21.80	914,127	-0.84(-3.71%)
Feb 28, 2011	22.54	22.97	22.53	22.64	218,095	-0.12(-0.53%)
Feb 25, 2011	22.80	22.82	22.61	22.76	343,161	+0.15(+0.66%)
Feb 24, 2011	22.60	22.80	22.46	22.61	327,524	-0.02(-0.09%)
Feb 23, 2011	22.71	22.99	22.53	22.63	535,996	-0.20(-0.88%)
Feb 22, 2011	22.94	22.94	22.32	22.83	429,920	+0.21(+0.93%)
Feb 18, 2011	22.31	22.65	22.24	22.62	584,542	+0.27(+1.21%)
Feb 17, 2011	22.97	22.97	22.10	22.35	588,940	-0.48(-2.10%)
Feb 16, 2011	22.70	23.22	22.66	22.83	607,220	+0.11(+0.48%)
Feb 15, 2011	22.20	22.86	22.18	22.72	398,367	+0.61(+2.76%)
Feb 14, 2011	22.01	22.23	21.81	22.11	332,784	+0.04(+0.18%)
Feb 11, 2011	22.11	22.29	21.91	22.07	331,480	+0.11(+0.50%)
Feb 10, 2011	21.65	22.09	21.45	21.96	291,487	+0.26(+1.20%)
Feb 09, 2011	21.91	22.00	21.50	21.70	248,567	-0.19(-0.87%)
Feb 08, 2011	22.31	22.31	21.58	21.89	343,083	-0.27(-1.22%)
Feb 07, 2011	22.50	22.74	22.00	22.16	392,541	-0.11(-0.49%)
Feb 04, 2011	22.97	23.07	22.20	22.27	865,330	-0.70(-3.05%)
Feb 03, 2011	23.28	23.65	22.79	22.97	781,221	-0.07(-0.30%)
Feb 02, 2011	23.35	23.37	22.99	23.04	619,777	-0.20(-0.86%)
Feb 01, 2011	22.20	23.44	22.16	23.24	1,186,757	+1.30(+5.93%)
Jan 31, 2011	21.30	22.10	21.30	21.94	662,490	+0.64(+3.00%)
Jan 28, 2011	20.70	21.39	20.70	21.30	497,802	+0.56(+2.70%)
Jan 27, 2011	19.96	21.07	19.96	20.74	1,034,866	+0.88(+4.43%)
Jan 26, 2011	19.90	19.95	19.39	19.86	637,507	+0.12(+0.61%)
Jan 25, 2011	20.28	20.29	19.64	19.74	371,673	-0.55(-2.71%)
Jan 24, 2011	20.99	21.00	20.25	20.29	413,532	-0.39(-1.89%)
Jan 21, 2011	20.50	21.25	20.47	20.68	674,876	+0.10(+0.49%)
Jan 20, 2011	20.50	20.72	20.10	20.58	868,295	+0.03(+0.15%)
Jan 19, 2011	21.27	21.27	20.50	20.55	388,656	-0.53(-2.51%)
Jan 18, 2011	20.95	21.17	20.91	21.08	2,837,971	+0.17(+0.81%)
Jan 17, 2011	20.76	21.07	20.76	20.91	260,128	+0.13(+0.63%)
Jan 14, 2011	21.31	21.36	20.71	20.78	497,406	-0.37(-1.75%)
Jan 13, 2011	20.80	21.43	20.62	21.15	773,765	+0.46(+2.22%)
Jan 12, 2011	20.20	21.03	20.20	20.69	1,340,242	+0.85(+4.28%)
Jan 11, 2011	19.20	19.95	19.09	19.84	964,634	+0.93(+4.92%)
Jan 10, 2011	18.75	19.11	18.53	18.91	478,065	+0.17(+0.91%)
Jan 07, 2011	18.54	18.79	18.06	18.74	579,188	+0.26(+1.41%)
Jan 06, 2011	19.58	19.60	18.35	18.48	861,551	-0.99(-5.08%)
Jan 05, 2011	19.74	19.74	19.34	19.47	355,288	-0.26(-1.32%)

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