Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.48	19.75	19.43	19.54	1,248,958	+0.23(+1.21%)
May 23, 2011	19.40	19.45	19.23	19.31	838,812	-0.31(-1.60%)
May 20, 2011	19.47	19.77	19.25	19.62	1,411,370	+0.04(+0.19%)
May 19, 2011	19.57	19.72	19.49	19.59	1,330,809	+0.10(+0.54%)
May 18, 2011	19.09	19.62	19.09	19.48	1,781,842	+0.37(+1.93%)
May 17, 2011	18.49	19.37	18.49	19.11	3,755,851	+0.65(+3.54%)
May 16, 2011	18.38	18.79	18.32	18.46	1,411,979	-0.09(-0.50%)
May 13, 2011	18.58	18.75	18.39	18.55	1,185,070	-0.07(-0.40%)
May 12, 2011	18.69	18.76	18.37	18.63	1,953,518	-0.25(-1.31%)
May 11, 2011	19.30	19.33	18.72	18.87	1,411,433	-0.45(-2.33%)
May 10, 2011	19.13	19.43	19.13	19.32	831,997	+0.15(+0.80%)
May 09, 2011	18.96	19.28	18.95	19.17	1,294,865	+0.28(+1.50%)
May 06, 2011	18.61	19.14	18.50	18.88	2,365,557	+0.38(+2.03%)
May 05, 2011	18.91	19.04	18.28	18.51	3,124,880	-0.68(-3.56%)
May 04, 2011	19.73	19.78	19.06	19.19	1,958,984	-0.63(-3.17%)
May 03, 2011	20.00	20.15	19.57	19.82	1,963,640	-0.14(-0.68%)
May 02, 2011	19.98	20.01	19.90	19.96	1,843,768	+0.07(+0.34%)
Apr 29, 2011	19.64	19.90	19.53	19.89	1,019,032	+0.30(+1.54%)
Apr 28, 2011	19.33	19.62	19.21	19.59	959,748	+0.26(+1.34%)
Apr 27, 2011	19.33	19.38	19.01	19.33	1,003,422	+0.09(+0.45%)
Apr 26, 2011	19.30	19.38	19.21	19.24	618,824	-0.01(-0.03%)
Apr 25, 2011	19.30	19.32	19.13	19.25	985,820	+0.04(+0.19%)
Apr 21, 2011	19.29	19.31	19.05	19.21	803,988	+0.10(+0.55%)
Apr 20, 2011	19.16	19.19	18.96	19.11	1,132,248	+0.18(+0.94%)
Apr 19, 2011	18.73	19.01	18.71	18.93	728,978	+0.24(+1.29%)
Apr 18, 2011	18.80	18.80	18.51	18.69	1,108,717	-0.26(-1.40%)
Apr 15, 2011	18.79	19.17	18.76	18.95	767,827	+0.07(+0.36%)
Apr 14, 2011	18.84	18.97	18.72	18.88	708,338	-0.01(-0.03%)
Apr 13, 2011	18.98	19.22	18.81	18.89	855,002	+0.00(+0.00%)
Apr 12, 2011	19.38	19.38	18.56	18.89	1,767,985	-0.63(-3.22%)
Apr 11, 2011	19.96	19.98	19.45	19.52	1,118,562	-0.39(-1.98%)
Apr 08, 2011	19.86	19.99	19.82	19.91	693,409	+0.20(+1.00%)
Apr 07, 2011	19.71	19.82	19.67	19.72	891,586	+0.04(+0.19%)
Apr 06, 2011	19.71	19.80	19.63	19.68	918,451	+0.01(+0.06%)
Apr 05, 2011	19.53	19.73	19.49	19.67	760,952	+0.06(+0.28%)
Apr 04, 2011	19.59	19.70	19.56	19.61	587,260	+0.02(+0.13%)
Apr 01, 2011	19.71	19.77	19.53	19.59	881,926	+0.09(+0.44%)
Mar 31, 2011	19.63	19.72	19.46	19.50	974,683	-0.07(-0.38%)
Mar 30, 2011	19.53	19.67	19.45	19.57	619,345	+0.08(+0.41%)
Mar 29, 2011	19.43	19.59	19.28	19.49	755,730	+0.10(+0.54%)
Mar 28, 2011	19.40	19.59	19.31	19.39	607,007	-0.01(-0.06%)
Mar 25, 2011	19.40	19.57	19.37	19.40	953,400	-0.07(-0.38%)
Mar 24, 2011	19.43	19.70	19.41	19.48	860,762	-0.01(-0.03%)
Mar 23, 2011	19.41	19.53	19.25	19.48	803,808	+0.06(+0.29%)
Mar 22, 2011	19.55	19.61	19.31	19.43	752,368	-0.12(-0.60%)
Mar 21, 2011	19.48	19.56	19.43	19.54	1,032,670	+0.44(+2.29%)
Mar 18, 2011	19.05	19.25	19.00	19.11	890,417	+0.12(+0.62%)
Mar 17, 2011	18.80	19.06	18.65	18.99	1,304,133	+0.58(+3.14%)
Mar 16, 2011	18.10	18.71	18.07	18.41	2,009,716	+0.22(+1.22%)
Mar 15, 2011	18.05	18.36	18.02	18.19	3,390,911	-0.72(-3.81%)
Mar 14, 2011	18.64	18.96	18.55	18.91	1,001,463	+0.15(+0.79%)
Mar 11, 2011	18.56	19.00	18.49	18.76	1,622,791	-0.15(-0.78%)
Mar 10, 2011	19.25	19.25	18.56	18.91	1,643,501	-0.45(-2.32%)
Mar 09, 2011	19.70	19.82	19.25	19.36	1,195,173	-0.37(-1.87%)
Mar 08, 2011	19.68	19.76	19.40	19.73	945,257	-0.09(-0.44%)
Mar 07, 2011	20.02	20.12	19.61	19.82	1,416,791	-0.17(-0.86%)
Mar 04, 2011	19.90	20.01	19.80	19.99	863,438	+0.06(+0.28%)
Mar 03, 2011	19.84	20.00	19.72	19.93	916,366	+0.05(+0.25%)
Mar 02, 2011	19.85	19.96	19.73	19.88	1,182,230	+0.04(+0.19%)

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