Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.45	20.58	20.07	20.24	104,780	-0.11(-0.56%)
May 23, 2011	20.63	20.63	20.23	20.36	117,906	-0.41(-1.99%)
May 20, 2011	20.60	20.79	20.44	20.77	57,309	+0.07(+0.33%)
May 19, 2011	20.68	20.73	20.40	20.70	137,421	+0.24(+1.15%)
May 18, 2011	19.90	20.52	19.85	20.47	106,098	+0.60(+3.00%)
May 17, 2011	20.16	20.37	19.51	19.87	137,229	-0.40(-1.95%)
May 16, 2011	20.58	20.73	20.17	20.27	137,412	-0.40(-1.94%)
May 13, 2011	21.17	21.28	20.59	20.67	131,180	-0.50(-2.38%)
May 12, 2011	21.45	21.48	21.09	21.17	151,748	-0.47(-2.17%)
May 11, 2011	21.62	21.79	21.27	21.64	102,516	-0.04(-0.18%)
May 10, 2011	21.66	21.74	21.48	21.68	105,697	+0.00(+0.00%)
May 09, 2011	21.79	21.88	21.37	21.68	128,334	+0.01(+0.05%)
May 06, 2011	21.27	22.01	21.27	21.67	104,989	+0.40(+1.86%)
May 05, 2011	21.30	21.44	20.94	21.27	145,879	-0.14(-0.64%)
May 04, 2011	21.66	21.72	21.28	21.41	340,013	-0.24(-1.10%)
May 03, 2011	22.22	22.29	21.63	21.65	220,739	-0.55(-2.50%)
May 02, 2011	22.22	22.26	22.13	22.21	170,996	-0.23(-1.03%)
Apr 29, 2011	22.07	22.62	21.94	22.44	355,978	+0.58(+2.64%)
Apr 28, 2011	21.69	21.91	21.55	21.86	129,297	+0.08(+0.39%)
Apr 27, 2011	21.77	21.91	21.67	21.77	166,195	+0.00(+0.00%)
Apr 26, 2011	21.56	21.79	21.51	21.77	101,003	+0.26(+1.21%)
Apr 25, 2011	21.56	21.67	21.47	21.51	87,076	+0.01(+0.03%)
Apr 21, 2011	21.27	21.55	21.21	21.51	64,943	+0.27(+1.25%)
Apr 20, 2011	21.10	21.29	21.10	21.24	169,717	+0.19(+0.91%)
Apr 19, 2011	20.83	21.09	20.75	21.05	123,834	+0.19(+0.90%)
Apr 18, 2011	20.81	20.87	20.73	20.86	93,615	-0.02(-0.11%)
Apr 15, 2011	20.62	20.93	20.62	20.89	80,159	+0.14(+0.68%)
Apr 14, 2011	20.55	20.83	20.52	20.74	291,753	+0.12(+0.58%)
Apr 13, 2011	20.50	20.76	20.50	20.63	42,504	+0.08(+0.41%)
Apr 12, 2011	20.67	20.70	20.38	20.54	72,716	-0.24(-1.14%)
Apr 11, 2011	20.82	20.92	20.78	20.78	49,483	-0.08(-0.38%)
Apr 08, 2011	20.97	21.08	20.77	20.86	80,454	-0.15(-0.73%)
Apr 07, 2011	20.95	21.07	20.93	21.01	57,249	+0.05(+0.22%)
Apr 06, 2011	21.11	21.17	20.95	20.97	145,505	-0.07(-0.35%)
Apr 05, 2011	20.96	21.06	20.90	21.04	65,761	+0.03(+0.16%)
Apr 04, 2011	20.95	21.00	20.84	21.00	82,243	+0.10(+0.49%)
Apr 01, 2011	20.77	21.00	20.56	20.90	140,133	+0.27(+1.29%)
Mar 31, 2011	20.55	20.73	20.51	20.64	117,484	+0.09(+0.44%)
Mar 30, 2011	20.49	20.55	20.43	20.55	36,692	+0.12(+0.58%)
Mar 29, 2011	20.51	20.55	20.39	20.43	35,955	-0.12(-0.61%)
Mar 28, 2011	20.63	20.79	20.46	20.55	71,068	-0.04(-0.19%)
Mar 25, 2011	20.38	20.65	20.29	20.59	35,489	+0.28(+1.37%)
Mar 24, 2011	20.21	20.36	20.21	20.31	58,134	+0.10(+0.50%)
Mar 23, 2011	20.39	20.39	20.21	20.21	33,355	-0.12(-0.61%)
Mar 22, 2011	20.31	20.38	20.20	20.34	190,540	+0.07(+0.33%)
Mar 21, 2011	20.25	20.29	20.20	20.27	130,810	+0.50(+2.52%)
Mar 18, 2011	20.26	20.38	19.77	19.77	168,862	-0.41(-2.02%)
Mar 17, 2011	20.09	20.18	20.02	20.18	131,796	+0.31(+1.54%)
Mar 16, 2011	19.34	19.92	19.32	19.87	291,149	+0.54(+2.78%)
Mar 15, 2011	19.25	19.80	19.20	19.33	320,625	-0.47(-2.37%)
Mar 14, 2011	19.73	19.96	19.66	19.80	62,472	-0.02(-0.09%)
Mar 11, 2011	19.71	19.90	19.67	19.82	59,642	+0.01(+0.03%)
Mar 10, 2011	20.10	20.22	19.69	19.82	122,398	-0.42(-2.10%)
Mar 09, 2011	20.47	20.59	20.18	20.24	83,962	-0.27(-1.33%)
Mar 08, 2011	20.57	20.60	20.40	20.51	66,783	-0.06(-0.28%)
Mar 07, 2011	20.89	20.89	20.41	20.57	115,182	-0.24(-1.14%)
Mar 04, 2011	20.84	20.84	20.60	20.81	61,947	-0.01(-0.03%)
Mar 03, 2011	20.90	21.07	20.77	20.81	95,588	-0.01(-0.03%)
Mar 02, 2011	20.87	21.10	20.69	20.82	377,597	-0.08(-0.41%)

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