Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	17.97	18.25	17.76	17.92	651,353	+0.03(+0.16%)
May 23, 2011	18.19	18.19	17.80	17.89	492,444	-0.66(-3.55%)
May 20, 2011	18.60	18.82	18.36	18.54	489,427	-0.18(-0.96%)
May 19, 2011	18.78	18.91	18.62	18.72	446,252	+0.10(+0.55%)
May 18, 2011	18.43	18.72	18.41	18.62	431,858	+0.19(+1.05%)
May 17, 2011	18.65	18.70	18.07	18.43	684,080	-0.29(-1.55%)
May 16, 2011	19.06	19.06	18.67	18.72	685,709	-0.38(-1.98%)
May 13, 2011	19.12	19.31	19.07	19.10	560,038	+0.01(+0.05%)
May 12, 2011	18.73	19.14	18.71	19.09	589,502	+0.22(+1.18%)
May 11, 2011	18.85	18.97	18.76	18.86	790,755	-0.02(-0.10%)
May 10, 2011	18.87	18.98	18.62	18.88	867,521	-0.12(-0.61%)
May 09, 2011	18.13	19.11	18.10	19.00	814,503	+0.47(+2.56%)
May 06, 2011	18.25	18.69	18.25	18.52	815,451	+0.55(+3.07%)
May 05, 2011	17.93	18.37	17.88	17.97	673,084	-0.19(-1.07%)
May 04, 2011	18.33	18.58	17.79	18.17	927,522	-0.22(-1.21%)
May 03, 2011	18.84	18.95	18.27	18.39	600,588	-0.54(-2.86%)
May 02, 2011	18.94	19.38	18.75	18.93	525,125	-0.16(-0.86%)
Apr 29, 2011	19.75	19.76	18.91	19.10	1,041,569	-0.49(-2.52%)
Apr 28, 2011	20.56	20.57	19.56	19.59	1,018,781	-1.10(-5.33%)
Apr 27, 2011	20.52	20.74	20.27	20.69	473,152	+0.16(+0.80%)
Apr 26, 2011	19.44	20.66	19.40	20.53	905,115	+1.09(+5.60%)
Apr 25, 2011	19.56	19.64	19.37	19.44	281,039	-0.17(-0.86%)
Apr 21, 2011	19.65	19.77	19.44	19.61	369,588	+0.17(+0.90%)
Apr 20, 2011	19.12	19.55	19.12	19.43	602,778	+0.60(+3.18%)
Apr 19, 2011	18.63	18.92	18.52	18.83	335,085	+0.24(+1.30%)
Apr 18, 2011	18.77	18.77	18.32	18.59	494,328	-0.40(-2.09%)
Apr 15, 2011	19.15	19.30	18.97	18.99	676,855	-0.24(-1.26%)
Apr 14, 2011	19.06	19.35	19.01	19.23	429,926	-0.10(-0.50%)
Apr 13, 2011	19.36	19.50	19.13	19.33	340,194	+0.03(+0.15%)
Apr 12, 2011	19.36	19.47	19.14	19.30	452,489	-0.11(-0.55%)
Apr 11, 2011	19.41	19.52	19.33	19.41	540,350	+0.08(+0.40%)
Apr 08, 2011	19.59	19.64	19.08	19.33	1,229,000	-0.64(-3.20%)
Apr 07, 2011	20.60	20.69	19.96	19.97	919,872	-0.56(-2.73%)
Apr 06, 2011	20.81	20.86	20.52	20.53	927,224	-0.21(-1.03%)
Apr 05, 2011	20.61	20.94	20.57	20.74	1,178,104	+0.03(+0.14%)
Apr 04, 2011	20.66	20.77	20.55	20.71	1,299,519	+0.13(+0.61%)
Apr 01, 2011	20.41	20.79	20.24	20.59	939,398	+0.42(+2.06%)
Mar 31, 2011	19.86	20.22	19.86	20.17	400,967	+0.24(+1.21%)
Mar 30, 2011	19.77	20.24	19.53	19.93	970,994	+0.65(+3.36%)
Mar 29, 2011	19.14	19.28	19.01	19.28	565,153	+0.17(+0.91%)
Mar 28, 2011	19.32	19.33	19.03	19.11	363,096	-0.10(-0.50%)
Mar 25, 2011	18.88	19.41	18.87	19.20	599,710	+0.40(+2.15%)
Mar 24, 2011	18.51	18.82	18.30	18.80	415,378	+0.48(+2.60%)
Mar 23, 2011	18.40	18.49	18.23	18.32	758,858	-0.15(-0.79%)
Mar 22, 2011	18.53	18.74	18.32	18.47	309,528	-0.07(-0.37%)
Mar 21, 2011	18.46	18.73	18.31	18.53	422,341	+0.38(+2.08%)
Mar 18, 2011	17.98	18.44	17.97	18.16	697,290	+0.52(+2.96%)
Mar 17, 2011	17.84	18.04	17.61	17.63	419,865	+0.04(+0.22%)
Mar 16, 2011	18.17	18.17	17.57	17.60	847,462	-0.62(-3.40%)
Mar 15, 2011	17.51	18.31	17.30	18.22	1,919,385	+0.03(+0.16%)
Mar 14, 2011	18.33	18.37	17.93	18.19	342,400	-0.38(-2.03%)
Mar 11, 2011	18.31	18.71	18.11	18.56	447,455	+0.08(+0.42%)
Mar 10, 2011	18.78	19.05	18.14	18.49	688,646	-0.55(-2.90%)
Mar 09, 2011	18.81	19.22	18.67	19.04	737,848	-0.05(-0.28%)
Mar 08, 2011	18.89	19.35	18.63	19.09	481,978	+0.25(+1.31%)
Mar 07, 2011	18.95	19.30	18.63	18.84	548,423	-0.38(-1.96%)
Mar 04, 2011	19.05	19.30	18.83	19.22	463,689	+0.29(+1.53%)
Mar 03, 2011	18.76	19.13	18.73	18.93	659,425	+0.29(+1.56%)
Mar 02, 2011	18.28	18.80	18.21	18.64	507,883	+0.29(+1.58%)

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