Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.99	21.30	20.99	21.25	232,454	+0.33(+1.58%)
May 23, 2011	21.15	21.20	20.72	20.92	137,848	-0.47(-2.20%)
May 20, 2011	21.37	21.53	21.22	21.39	135,587	-0.11(-0.51%)
May 19, 2011	21.31	21.52	21.19	21.50	138,358	+0.26(+1.22%)
May 18, 2011	21.30	21.37	21.16	21.24	108,376	-0.01(-0.05%)
May 17, 2011	21.00	21.34	20.82	21.25	171,964	+0.17(+0.81%)
May 16, 2011	21.17	21.43	21.02	21.08	147,012	-0.31(-1.45%)
May 13, 2011	21.65	21.65	21.31	21.39	241,562	-0.24(-1.11%)
May 12, 2011	21.54	21.70	21.20	21.63	274,499	-0.02(-0.09%)
May 11, 2011	21.63	21.91	21.45	21.65	265,108	-0.05(-0.23%)
May 10, 2011	21.32	21.73	21.31	21.70	258,683	+0.43(+2.02%)
May 09, 2011	20.75	21.30	20.70	21.27	220,257	+0.52(+2.51%)
May 06, 2011	20.76	21.00	20.61	20.75	246,376	+0.18(+0.88%)
May 05, 2011	20.81	20.86	20.42	20.57	352,576	-0.49(-2.33%)
May 04, 2011	21.40	21.44	20.94	21.06	172,462	-0.33(-1.54%)
May 03, 2011	21.69	21.86	21.22	21.39	282,323	-0.38(-1.75%)
May 02, 2011	21.90	21.90	21.72	21.77	294,656	-0.13(-0.59%)
Apr 29, 2011	21.69	22.18	21.69	21.90	227,875	+0.15(+0.69%)
Apr 28, 2011	21.00	21.83	20.94	21.75	285,807	+0.66(+3.13%)
Apr 27, 2011	21.39	21.52	20.99	21.09	285,438	-0.39(-1.82%)
Apr 26, 2011	21.74	21.87	21.31	21.48	183,849	-0.20(-0.92%)
Apr 25, 2011	21.74	21.93	21.46	21.68	169,762	+0.36(+1.69%)
Apr 21, 2011	21.49	21.54	21.27	21.32	226,457	+0.00(+0.00%)
Apr 20, 2011	21.79	21.92	21.10	21.32	288,656	-0.48(-2.20%)
Apr 19, 2011	21.43	21.94	21.39	21.80	151,013	+0.40(+1.87%)
Apr 18, 2011	21.44	21.48	20.91	21.40	182,197	-0.20(-0.93%)
Apr 15, 2011	21.64	21.91	21.55	21.60	233,851	-0.08(-0.37%)
Apr 14, 2011	21.00	21.73	21.00	21.68	206,401	+0.62(+2.94%)
Apr 13, 2011	21.02	21.23	20.76	21.06	137,064	+0.10(+0.48%)
Apr 12, 2011	20.85	21.11	20.73	20.96	205,306	-0.01(-0.05%)
Apr 11, 2011	21.09	21.24	20.84	20.97	139,891	-0.10(-0.47%)
Apr 08, 2011	21.16	21.25	21.02	21.07	105,916	-0.02(-0.09%)
Apr 07, 2011	21.42	21.43	20.96	21.09	269,985	-0.39(-1.82%)
Apr 06, 2011	21.58	21.70	21.37	21.48	162,389	-0.03(-0.14%)
Apr 05, 2011	21.65	21.79	21.46	21.51	171,188	-0.19(-0.88%)
Apr 04, 2011	21.77	21.89	21.55	21.70	291,877	+0.02(+0.09%)
Apr 01, 2011	21.13	22.02	21.13	21.68	321,302	+0.75(+3.58%)
Mar 31, 2011	20.85	21.07	20.79	20.93	148,660	-0.02(-0.10%)
Mar 30, 2011	20.60	21.06	20.60	20.95	161,799	+0.36(+1.75%)
Mar 29, 2011	20.51	20.62	20.40	20.59	110,109	+0.06(+0.29%)
Mar 28, 2011	20.58	20.63	20.24	20.53	224,677	+0.12(+0.59%)
Mar 25, 2011	20.60	21.03	20.41	20.41	378,562	-0.09(-0.44%)
Mar 24, 2011	20.46	20.61	20.35	20.50	176,429	+0.16(+0.79%)
Mar 23, 2011	20.16	20.36	19.95	20.34	170,261	+0.15(+0.74%)
Mar 22, 2011	20.04	20.41	20.03	20.19	201,096	-0.04(-0.20%)
Mar 21, 2011	20.06	20.26	20.02	20.23	322,489	+0.45(+2.28%)
Mar 18, 2011	19.52	20.10	19.52	19.78	485,962	+0.49(+2.54%)
Mar 17, 2011	19.57	19.57	19.18	19.29	177,314	-0.08(-0.41%)
Mar 16, 2011	19.17	19.76	19.10	19.37	355,256	+0.11(+0.57%)
Mar 15, 2011	19.20	19.33	19.20	19.26	220,206	-0.37(-1.88%)
Mar 14, 2011	19.49	19.65	19.34	19.63	165,518	+0.00(+0.00%)
Mar 11, 2011	19.16	19.66	19.16	19.63	155,119	+0.32(+1.66%)
Mar 10, 2011	19.43	19.47	19.02	19.31	193,375	-0.28(-1.43%)
Mar 09, 2011	19.55	19.73	19.39	19.59	144,884	+0.03(+0.15%)
Mar 08, 2011	19.31	19.77	19.23	19.56	184,334	+0.08(+0.41%)
Mar 07, 2011	19.97	19.97	19.27	19.48	167,308	-0.40(-2.01%)
Mar 04, 2011	19.82	19.97	19.68	19.88	271,015	+0.04(+0.20%)
Mar 03, 2011	19.96	20.11	19.78	19.84	206,644	-0.11(-0.55%)
Mar 02, 2011	19.85	20.15	19.85	19.95	150,660	+0.19(+0.96%)

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