Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.15	22.23	21.04	21.96	1,522,978	+0.83(+3.93%)
May 23, 2011	21.76	21.93	21.08	21.13	778,109	-0.87(-3.95%)
May 20, 2011	22.05	22.21	21.75	22.00	616,611	-0.13(-0.59%)
May 19, 2011	22.17	22.35	21.83	22.13	387,810	+0.06(+0.29%)
May 18, 2011	22.39	22.44	22.01	22.07	705,737	-0.32(-1.45%)
May 17, 2011	22.90	22.95	22.30	22.39	653,877	-0.48(-2.10%)
May 16, 2011	22.98	23.05	22.69	22.87	435,205	-0.25(-1.08%)
May 13, 2011	23.39	23.54	23.05	23.12	380,694	-0.26(-1.11%)
May 12, 2011	22.45	23.43	22.41	23.38	494,723	+0.85(+3.77%)
May 11, 2011	22.84	23.12	22.50	22.53	450,218	-0.14(-0.62%)
May 10, 2011	22.03	22.80	21.72	22.67	523,533	+0.70(+3.19%)
May 09, 2011	21.72	22.13	21.26	21.97	768,463	+0.21(+0.97%)
May 06, 2011	23.31	23.31	21.70	21.76	942,580	-1.37(-5.92%)
May 05, 2011	23.00	23.49	21.75	23.13	918,660	+1.60(+7.43%)
May 04, 2011	22.14	22.15	21.52	21.53	501,491	-0.63(-2.84%)
May 03, 2011	21.91	22.51	21.59	22.16	613,262	+0.27(+1.23%)
May 02, 2011	21.96	22.11	21.45	21.89	576,493	+0.08(+0.37%)
Apr 29, 2011	21.69	22.02	21.50	21.81	533,306	+0.13(+0.60%)
Apr 28, 2011	21.89	21.97	21.37	21.68	337,600	-0.36(-1.63%)
Apr 27, 2011	21.59	22.17	21.59	22.04	394,070	+0.47(+2.18%)
Apr 26, 2011	21.55	21.88	21.49	21.57	378,391	+0.07(+0.33%)
Apr 25, 2011	21.29	21.66	21.25	21.50	528,949	+0.31(+1.46%)
Apr 21, 2011	20.98	21.28	20.69	21.19	446,577	+0.46(+2.22%)
Apr 20, 2011	20.97	21.08	20.50	20.73	553,112	-0.05(-0.24%)
Apr 19, 2011	21.33	21.35	20.68	20.78	584,362	-0.53(-2.49%)
Apr 18, 2011	21.56	21.56	21.18	21.31	565,885	-0.45(-2.07%)
Apr 15, 2011	21.95	21.95	21.54	21.76	563,125	-0.17(-0.78%)
Apr 14, 2011	22.25	22.47	21.68	21.93	813,695	-0.43(-1.92%)
Apr 13, 2011	23.15	23.30	22.25	22.36	911,211	-0.64(-2.78%)
Apr 12, 2011	23.85	24.05	22.96	23.00	614,694	-0.99(-4.13%)
Apr 11, 2011	24.75	24.94	23.77	23.99	694,672	-0.58(-2.36%)
Apr 08, 2011	24.37	24.74	24.34	24.57	724,699	+0.16(+0.66%)
Apr 07, 2011	24.62	24.76	24.26	24.41	565,964	-0.31(-1.25%)
Apr 06, 2011	24.11	24.95	24.04	24.72	1,058,364	+0.75(+3.13%)
Apr 05, 2011	23.13	24.14	23.13	23.97	629,402	+0.72(+3.10%)
Apr 04, 2011	23.35	23.49	23.04	23.25	496,805	+0.12(+0.52%)
Apr 01, 2011	22.87	23.19	22.86	23.13	365,084	+0.41(+1.80%)
Mar 31, 2011	22.68	22.84	22.57	22.72	673,719	-0.04(-0.18%)
Mar 30, 2011	22.76	22.99	21.62	22.76	646,995	+0.90(+4.12%)
Mar 29, 2011	21.39	21.91	21.03	21.86	825,255	-0.16(-0.73%)
Mar 28, 2011	21.92	22.25	21.86	22.02	607,483	+0.19(+0.87%)
Mar 25, 2011	21.89	21.95	21.75	21.83	474,631	-0.01(-0.05%)
Mar 24, 2011	21.71	21.93	21.50	21.84	337,320	+0.25(+1.16%)
Mar 23, 2011	21.46	21.75	21.31	21.59	550,808	+0.09(+0.42%)
Mar 22, 2011	21.66	21.80	21.48	21.50	339,394	-0.07(-0.32%)
Mar 21, 2011	21.70	21.76	20.92	21.57	487,074	+0.80(+3.85%)
Mar 18, 2011	20.94	21.02	20.50	20.77	1,611,280	+0.08(+0.39%)
Mar 17, 2011	21.29	21.29	20.61	20.69	323,241	-0.28(-1.34%)
Mar 16, 2011	21.35	21.42	20.86	20.97	463,611	-0.44(-2.06%)
Mar 15, 2011	21.25	21.55	21.04	21.41	478,289	-0.39(-1.79%)
Mar 14, 2011	21.74	22.42	21.59	21.80	429,721	-0.16(-0.73%)
Mar 11, 2011	21.77	22.39	21.74	21.96	521,192	+0.08(+0.37%)
Mar 10, 2011	22.05	22.16	21.84	21.88	470,286	-0.41(-1.84%)
Mar 09, 2011	22.39	22.56	22.09	22.29	477,772	-0.14(-0.62%)
Mar 08, 2011	22.05	22.68	21.80	22.43	696,322	+0.13(+0.58%)
Mar 07, 2011	23.07	23.32	22.14	22.30	624,270	-0.73(-3.17%)
Mar 04, 2011	24.08	24.17	22.82	23.03	648,137	-1.12(-4.64%)
Mar 03, 2011	23.71	24.31	23.50	24.15	586,248	+0.72(+3.07%)
Mar 02, 2011	23.29	23.68	23.01	23.43	606,631	+0.06(+0.26%)

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