Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	17.86	17.92	17.69	17.89	7,304,703	-0.05(-0.29%)
Apr 27, 2012	17.96	18.04	17.70	17.94	6,876,845	+0.06(+0.33%)
Apr 26, 2012	17.94	17.98	17.60	17.88	11,724,269	-0.10(-0.53%)
Apr 25, 2012	17.58	18.15	17.49	17.98	23,306,044	+1.30(+7.76%)
Apr 24, 2012	16.53	16.90	16.47	16.68	12,522,394	+0.25(+1.55%)
Apr 23, 2012	16.29	16.48	16.10	16.43	19,436,420	-0.10(-0.62%)
Apr 20, 2012	16.86	16.99	16.52	16.53	12,459,766	-0.27(-1.58%)
Apr 19, 2012	17.03	17.08	16.66	16.80	10,631,846	-0.20(-1.19%)
Apr 18, 2012	17.26	17.26	16.94	17.00	7,521,668	-0.36(-2.06%)
Apr 17, 2012	17.20	17.42	16.98	17.36	7,684,649	+0.36(+2.10%)
Apr 16, 2012	17.03	17.20	16.87	17.00	6,485,241	-0.03(-0.19%)
Apr 13, 2012	17.54	17.56	17.03	17.03	9,112,579	-0.53(-3.01%)
Apr 12, 2012	17.12	17.57	17.12	17.56	10,243,071	+0.46(+2.72%)
Apr 11, 2012	17.03	17.15	16.88	17.10	9,749,099	+0.33(+1.94%)
Apr 10, 2012	17.23	17.38	16.70	16.77	13,346,195	-0.56(-3.21%)
Apr 09, 2012	17.46	17.47	17.25	17.33	6,280,337	-0.47(-2.63%)
Apr 05, 2012	17.79	17.86	17.65	17.80	5,483,921	-0.10(-0.53%)
Apr 04, 2012	17.98	17.99	17.72	17.89	7,361,060	-0.32(-1.75%)
Apr 03, 2012	18.35	18.46	17.98	18.21	7,713,185	-0.23(-1.23%)
Apr 02, 2012	18.23	18.50	18.17	18.44	7,450,091	+0.17(+0.91%)
Mar 30, 2012	18.31	18.38	18.09	18.27	5,296,539	+0.08(+0.41%)
Mar 29, 2012	18.34	18.40	17.97	18.19	9,353,319	-0.28(-1.53%)
Mar 28, 2012	18.53	18.61	18.21	18.48	6,101,834	-0.05(-0.28%)
Mar 27, 2012	18.69	18.73	18.43	18.53	5,388,521	-0.09(-0.47%)
Mar 26, 2012	18.37	18.65	18.29	18.62	12,090,904	+0.45(+2.49%)
Mar 23, 2012	18.15	18.24	18.04	18.16	5,629,143	+0.05(+0.26%)
Mar 22, 2012	18.42	18.44	18.01	18.11	7,889,951	-0.43(-2.33%)
Mar 21, 2012	18.93	18.93	18.49	18.55	9,054,493	-0.35(-1.83%)
Mar 20, 2012	18.77	19.01	18.65	18.89	7,897,397	-0.00(-0.02%)
Mar 19, 2012	18.63	19.16	18.59	18.90	10,672,135	+0.28(+1.49%)
Mar 16, 2012	18.89	19.01	18.58	18.62	9,042,009	-0.25(-1.33%)
Mar 15, 2012	18.38	18.88	18.29	18.87	9,814,013	+0.51(+2.79%)
Mar 14, 2012	18.27	18.50	18.17	18.36	8,247,066	+0.06(+0.30%)
Mar 13, 2012	17.90	18.31	17.80	18.30	7,704,098	+0.53(+3.00%)
Mar 12, 2012	17.94	17.97	17.69	17.77	5,932,685	-0.17(-0.95%)
Mar 09, 2012	17.76	18.10	17.65	17.94	9,739,509	+0.16(+0.89%)
Mar 08, 2012	18.13	18.13	17.63	17.78	11,408,244	-0.21(-1.19%)
Mar 07, 2012	18.12	18.16	17.96	18.00	8,303,088	+0.03(+0.18%)
Mar 06, 2012	18.42	18.44	17.84	17.96	10,530,610	-0.72(-3.85%)
Mar 05, 2012	18.60	18.79	18.54	18.68	4,492,627	-0.02(-0.11%)
Mar 02, 2012	18.84	18.87	18.65	18.70	5,741,099	-0.13(-0.70%)
Mar 01, 2012	18.82	19.10	18.73	18.83	7,199,093	+0.06(+0.34%)
Feb 29, 2012	18.68	19.04	18.68	18.77	10,686,732	+0.14(+0.77%)
Feb 28, 2012	18.61	18.67	18.33	18.63	7,647,675	+0.08(+0.41%)
Feb 27, 2012	18.53	18.62	18.35	18.55	7,417,314	-0.08(-0.43%)
Feb 24, 2012	18.87	18.97	18.59	18.63	7,311,568	-0.14(-0.72%)
Feb 23, 2012	18.66	18.86	18.62	18.77	7,863,477	+0.11(+0.60%)
Feb 22, 2012	19.00	19.03	18.65	18.66	9,036,567	-0.38(-1.98%)
Feb 21, 2012	19.15	19.29	18.96	19.03	8,001,190	-0.04(-0.21%)
Feb 17, 2012	19.18	19.20	18.94	19.07	8,653,937	-0.07(-0.35%)
Feb 16, 2012	19.01	19.31	18.96	19.14	8,606,529	+0.04(+0.23%)
Feb 15, 2012	19.41	19.48	19.00	19.10	7,233,839	-0.19(-1.01%)
Feb 14, 2012	19.33	19.37	19.05	19.29	7,826,911	-0.14(-0.72%)
Feb 13, 2012	19.22	19.50	19.22	19.43	7,491,226	+0.30(+1.55%)
Feb 10, 2012	19.16	19.19	19.00	19.13	7,010,781	-0.28(-1.43%)
Feb 09, 2012	19.60	19.67	19.22	19.41	7,303,031	-0.13(-0.69%)
Feb 08, 2012	19.53	19.62	19.38	19.55	6,181,846	+0.04(+0.18%)
Feb 07, 2012	19.53	19.75	19.41	19.51	8,026,499	-0.13(-0.65%)
Feb 06, 2012	19.62	19.70	19.51	19.64	6,203,298	-0.15(-0.76%)
Feb 03, 2012	19.48	19.93	19.38	19.79	12,241,279	+0.59(+3.09%)
Feb 02, 2012	19.20	19.27	18.90	19.19	8,650,148	+0.09(+0.46%)

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