Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	18.87	19.15	18.87	19.08	270,201	+0.08(+0.42%)
May 23, 2011	18.99	19.09	18.88	19.00	101,820	+0.11(+0.58%)
May 20, 2011	19.21	19.21	18.82	18.89	106,001	-0.84(-4.26%)
May 19, 2011	19.55	19.78	19.55	19.73	185,195	-0.21(-1.05%)
May 18, 2011	19.89	20.11	19.89	19.94	40,351	+0.01(+0.05%)
May 17, 2011	19.86	19.93	19.73	19.93	56,881	+0.16(+0.81%)
May 16, 2011	19.95	19.95	19.73	19.77	99,595	-0.38(-1.89%)
May 13, 2011	20.29	20.40	20.12	20.15	215,652	-0.09(-0.44%)
May 12, 2011	19.49	20.30	19.45	20.24	345,070	+1.08(+5.64%)
May 11, 2011	19.30	19.30	19.02	19.16	252,340	-0.01(-0.05%)
May 10, 2011	19.00	19.20	19.00	19.17	390,293	+0.14(+0.74%)
May 09, 2011	19.00	19.16	18.90	19.03	124,740	-0.21(-1.09%)
May 06, 2011	19.28	19.40	19.11	19.24	247,583	+0.19(+1.00%)
May 05, 2011	19.20	19.32	19.00	19.05	258,874	-0.16(-0.83%)
May 04, 2011	19.49	20.00	19.10	19.21	83,972	-0.09(-0.47%)
May 03, 2011	19.51	19.51	19.07	19.30	239,054	-0.12(-0.62%)
May 02, 2011	19.37	19.42	19.35	19.42	407,297	+0.25(+1.30%)
Apr 29, 2011	19.05	19.27	19.05	19.17	1,035,988	+0.09(+0.47%)
Apr 28, 2011	18.90	19.11	18.85	19.08	100,965	+0.07(+0.37%)
Apr 27, 2011	18.80	19.06	18.80	19.01	80,094	+0.25(+1.33%)
Apr 26, 2011	18.60	18.81	18.60	18.76	85,926	+0.31(+1.68%)
Apr 25, 2011	18.49	18.49	18.33	18.45	166,247	+0.32(+1.77%)
Apr 21, 2011	18.10	18.24	18.09	18.13	110,792	+0.47(+2.66%)
Apr 20, 2011	17.67	17.69	17.44	17.66	78,712	+0.42(+2.44%)
Apr 19, 2011	17.03	17.33	17.03	17.24	99,559	+0.12(+0.70%)
Apr 18, 2011	17.07	17.36	17.01	17.12	37,845	-0.25(-1.44%)
Apr 15, 2011	17.38	17.52	17.32	17.37	114,214	-0.02(-0.12%)
Apr 14, 2011	17.60	17.60	17.31	17.39	140,073	+0.29(+1.70%)
Apr 13, 2011	17.05	17.15	16.91	17.10	409,478	+0.47(+2.83%)
Apr 12, 2011	16.55	16.68	16.42	16.63	268,229	+0.35(+2.15%)
Apr 11, 2011	16.50	16.50	16.20	16.28	2,641,002	-0.37(-2.22%)
Apr 08, 2011	16.89	16.89	16.63	16.65	533,413	-0.20(-1.19%)
Apr 07, 2011	16.90	17.04	16.75	16.85	81,774	+0.03(+0.18%)
Apr 06, 2011	16.73	16.92	16.73	16.82	125,865	-0.10(-0.59%)
Apr 05, 2011	16.97	17.05	16.87	16.92	251,698	-0.44(-2.53%)
Apr 04, 2011	17.57	17.57	17.35	17.36	135,747	-0.23(-1.31%)
Apr 01, 2011	17.46	17.65	17.22	17.59	126,092	-0.06(-0.34%)
Mar 31, 2011	17.99	17.99	17.64	17.65	170,961	-0.17(-0.95%)
Mar 30, 2011	17.82	17.82	17.82	17.82	374,019	+0.68(+3.97%)
Mar 29, 2011	17.18	17.18	16.96	17.14	156,401	+0.13(+0.76%)
Mar 28, 2011	17.10	17.39	17.00	17.01	226,564	+0.16(+0.95%)
Mar 25, 2011	16.86	16.94	16.72	16.85	239,698	-0.01(-0.06%)
Mar 24, 2011	16.76	16.93	16.65	16.86	276,216	-0.62(-3.55%)
Mar 23, 2011	17.51	17.64	17.21	17.48	317,419	-0.33(-1.85%)
Mar 22, 2011	18.02	18.02	17.75	17.81	413,550	-1.11(-5.87%)
Mar 21, 2011	18.90	19.00	18.85	18.92	196,716	+0.68(+3.73%)
Mar 18, 2011	18.02	18.29	17.95	18.24	115,828	-0.07(-0.38%)
Mar 17, 2011	18.56	18.77	18.30	18.31	202,069	+0.58(+3.27%)
Mar 16, 2011	18.24	18.40	17.47	17.73	260,442	-0.50(-2.74%)
Mar 15, 2011	17.00	18.40	17.00	18.23	751,122	+0.40(+2.24%)
Mar 14, 2011	17.49	17.83	16.90	17.83	1,016,754	-1.17(-6.16%)
Mar 11, 2011	19.28	19.43	18.91	19.00	124,954	-0.44(-2.26%)
Mar 10, 2011	19.52	19.64	19.44	19.44	136,555	-0.25(-1.27%)
Mar 09, 2011	19.73	19.74	19.55	19.69	144,706	-0.25(-1.25%)
Mar 08, 2011	19.88	20.00	19.75	19.94	104,679	-0.03(-0.15%)
Mar 07, 2011	20.32	20.32	19.94	19.97	98,131	-0.53(-2.59%)
Mar 04, 2011	20.51	20.64	20.32	20.50	96,145	-0.21(-1.01%)
Mar 03, 2011	20.44	20.74	20.44	20.71	175,442	+0.05(+0.24%)
Mar 02, 2011	20.45	20.74	20.45	20.66	279,835	+0.14(+0.68%)

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