Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.22	21.35	20.86	20.89	736,360	-0.35(-1.65%)
May 23, 2011	21.60	21.66	21.22	21.24	516,872	-0.81(-3.67%)
May 20, 2011	21.97	22.42	21.69	22.05	1,348,438	-0.12(-0.54%)
May 19, 2011	23.07	23.07	21.79	22.17	1,635,761	-0.69(-3.02%)
May 18, 2011	22.54	22.99	22.49	22.86	385,289	+0.33(+1.46%)
May 17, 2011	22.53	22.63	22.23	22.53	336,762	-0.07(-0.31%)
May 16, 2011	23.03	23.17	22.56	22.60	490,104	-0.50(-2.19%)
May 13, 2011	23.60	23.60	22.99	23.11	698,829	-0.52(-2.22%)
May 12, 2011	23.23	23.69	23.08	23.63	284,770	+0.23(+0.98%)
May 11, 2011	23.48	23.59	22.98	23.40	448,504	-0.12(-0.51%)
May 10, 2011	23.31	23.56	23.25	23.52	320,792	+0.26(+1.12%)
May 09, 2011	22.93	23.31	22.77	23.26	288,446	+0.23(+1.00%)
May 06, 2011	23.26	23.40	22.90	23.03	239,608	+0.08(+0.35%)
May 05, 2011	22.68	23.26	22.66	22.95	760,683	+0.05(+0.22%)
May 04, 2011	22.88	22.98	22.30	22.90	531,455	+0.14(+0.62%)
May 03, 2011	23.44	23.53	22.56	22.76	563,538	-0.89(-3.76%)
May 02, 2011	23.60	23.81	23.48	23.65	805,914	+0.05(+0.21%)
Apr 29, 2011	23.05	23.61	21.91	23.60	1,075,001	+0.84(+3.69%)
Apr 28, 2011	22.75	22.94	22.58	22.76	358,892	-0.13(-0.57%)
Apr 27, 2011	22.83	23.03	22.77	22.89	401,902	-0.02(-0.09%)
Apr 26, 2011	22.50	23.00	22.31	22.91	367,357	+0.40(+1.78%)
Apr 25, 2011	22.74	22.82	22.40	22.51	299,446	-0.32(-1.40%)
Apr 21, 2011	21.96	22.91	21.84	22.83	1,290,239	+0.91(+4.15%)
Apr 20, 2011	21.32	21.96	21.32	21.92	639,713	+1.00(+4.78%)
Apr 19, 2011	21.14	21.20	20.77	20.92	1,013,210	-0.10(-0.48%)
Apr 18, 2011	20.79	21.08	20.53	21.02	652,001	-0.13(-0.61%)
Apr 15, 2011	21.08	21.20	20.76	21.15	488,842	-0.06(-0.28%)
Apr 14, 2011	20.76	21.23	20.69	21.21	531,376	+0.21(+1.00%)
Apr 13, 2011	21.00	21.11	20.74	21.00	540,569	+0.06(+0.29%)
Apr 12, 2011	20.79	20.97	20.54	20.94	956,755	-0.01(-0.05%)
Apr 11, 2011	21.03	21.21	20.73	20.95	640,877	-0.12(-0.57%)
Apr 08, 2011	21.71	21.71	21.02	21.07	382,882	-0.43(-2.00%)
Apr 07, 2011	21.25	21.78	21.23	21.50	912,101	+0.21(+0.99%)
Apr 06, 2011	21.02	21.33	20.94	21.29	720,925	+0.45(+2.16%)
Apr 05, 2011	20.44	20.92	20.30	20.84	1,307,902	+0.33(+1.61%)
Apr 04, 2011	20.67	20.71	20.39	20.51	1,242,094	-0.07(-0.34%)
Apr 01, 2011	20.90	20.90	20.44	20.58	1,807,833	-0.13(-0.63%)
Mar 31, 2011	20.15	20.75	20.11	20.71	946,593	+0.51(+2.51%)
Mar 30, 2011	20.20	20.57	20.16	20.20	507,815	+0.11(+0.56%)
Mar 29, 2011	19.93	20.15	19.43	20.09	740,278	+0.20(+1.01%)
Mar 28, 2011	20.09	20.36	19.86	19.89	502,633	-0.19(-0.95%)
Mar 25, 2011	20.55	20.59	19.92	20.08	1,114,847	-0.33(-1.62%)
Mar 24, 2011	20.18	20.60	20.13	20.41	639,352	+0.40(+2.00%)
Mar 23, 2011	19.77	20.09	19.76	20.01	660,397	+0.13(+0.65%)
Mar 22, 2011	20.34	20.35	19.35	19.88	1,245,152	-0.34(-1.68%)
Mar 21, 2011	20.63	20.69	20.19	20.22	572,577	+0.22(+1.10%)
Mar 18, 2011	20.12	20.14	19.62	20.00	1,183,129	+0.14(+0.70%)
Mar 17, 2011	20.40	20.43	19.85	19.86	506,545	-0.18(-0.90%)
Mar 16, 2011	20.35	20.67	19.89	20.04	553,232	-0.38(-1.86%)
Mar 15, 2011	19.82	20.59	19.82	20.42	527,943	-0.19(-0.92%)
Mar 14, 2011	20.37	20.81	20.37	20.61	604,884	-0.02(-0.10%)
Mar 11, 2011	20.18	20.83	20.13	20.63	704,889	+0.01(+0.05%)
Mar 10, 2011	21.14	21.20	20.61	20.62	1,125,635	-0.88(-4.09%)
Mar 09, 2011	21.91	21.91	21.38	21.50	800,481	-0.50(-2.25%)
Mar 08, 2011	21.92	22.37	21.65	22.00	500,561	+0.05(+0.25%)
Mar 07, 2011	22.59	22.72	21.77	21.94	506,032	-0.64(-2.83%)
Mar 04, 2011	22.72	22.84	22.35	22.58	496,402	-0.14(-0.62%)
Mar 03, 2011	22.33	22.73	22.27	22.72	574,970	+0.77(+3.51%)
Mar 02, 2011	21.51	22.01	21.51	21.95	488,685	+0.48(+2.24%)

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