Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	3.934	3.943	3.830	3.832	17,342,868	-0.08(-1.97%)
Feb 28, 2012	3.840	3.926	3.812	3.909	8,529,922	+0.10(+2.64%)
Feb 27, 2012	3.815	3.835	3.793	3.808	9,299,242	-0.04(-1.13%)
Feb 24, 2012	3.849	3.852	3.822	3.852	9,790,602	+0.00(+0.00%)
Feb 23, 2012	3.854	3.909	3.810	3.852	10,858,073	+0.02(+0.53%)
Feb 22, 2012	3.773	3.840	3.726	3.832	8,366,205	+0.07(+1.97%)
Feb 21, 2012	3.807	3.807	3.256	3.758	10,578,225	-0.03(-0.84%)
Feb 17, 2012	3.790	3.812	3.771	3.790	10,919,231	-0.00(-0.09%)
Feb 16, 2012	3.775	3.807	3.748	3.793	12,441,934	+0.03(+0.85%)
Feb 15, 2012	3.741	3.773	3.729	3.761	13,494,141	+0.06(+1.63%)
Feb 14, 2012	3.699	3.706	3.674	3.701	13,598,666	+0.01(+0.23%)
Feb 13, 2012	3.666	3.708	3.652	3.693	18,341,014	+0.04(+1.10%)
Feb 10, 2012	3.585	3.669	3.567	3.652	22,197,438	+0.03(+0.69%)
Feb 09, 2012	3.501	3.636	3.479	3.627	19,152,968	+0.09(+2.66%)
Feb 08, 2012	3.495	3.536	3.483	3.533	55,629,668	+0.03(+0.96%)
Feb 07, 2012	3.474	3.518	3.468	3.500	11,983,789	+0.01(+0.38%)
Feb 06, 2012	3.431	3.493	3.419	3.486	10,520,582	+0.04(+1.17%)
Feb 03, 2012	3.508	3.508	3.437	3.446	22,185,158	-0.03(-0.87%)
Feb 02, 2012	3.474	3.491	3.421	3.476	17,696,630	-0.01(-0.38%)
Feb 01, 2012	3.453	3.489	3.407	3.489	19,278,430	+0.09(+2.72%)
Jan 31, 2012	3.390	3.434	3.324	3.397	20,311,160	+0.06(+1.86%)
Jan 30, 2012	3.310	3.348	3.305	3.335	9,360,811	+0.02(+0.61%)
Jan 27, 2012	3.288	3.347	3.298	3.315	13,515,458	+0.03(+0.82%)
Jan 26, 2012	3.325	3.338	3.281	3.288	16,350,860	-0.03(-0.76%)
Jan 25, 2012	3.278	3.320	3.231	3.313	9,978,139	+0.04(+1.23%)
Jan 24, 2012	3.271	3.298	3.261	3.273	19,699,290	-0.03(-1.02%)
Jan 23, 2012	3.317	3.333	3.295	3.307	17,169,106	+0.01(+0.20%)
Jan 20, 2012	3.258	3.305	3.248	3.300	8,335,754	+0.06(+1.92%)
Jan 19, 2012	3.251	3.270	3.213	3.238	17,323,494	+0.01(+0.31%)
Jan 18, 2012	3.167	3.243	3.157	3.228	16,236,706	+0.07(+2.23%)
Jan 17, 2012	3.130	3.167	3.122	3.157	12,123,818	+0.04(+1.24%)
Jan 13, 2012	3.100	3.130	3.055	3.119	9,088,565	-0.01(-0.21%)
Jan 12, 2012	3.112	3.134	3.100	3.125	10,206,905	+0.03(+0.92%)
Jan 11, 2012	3.058	3.098	3.051	3.097	10,494,856	+0.02(+0.71%)
Jan 10, 2012	3.093	3.105	3.038	3.075	12,498,617	+0.04(+1.22%)
Jan 09, 2012	3.041	3.056	2.991	3.038	8,562,393	+0.03(+0.95%)
Jan 06, 2012	3.048	3.058	2.984	3.009	5,428,131	-0.01(-0.39%)
Jan 05, 2012	3.014	3.026	2.983	3.021	8,225,187	+0.01(+0.17%)
Jan 04, 2012	2.996	3.058	2.988	3.016	9,665,707	+0.03(+1.01%)
Dec 30, 2011	3.014	3.014	2.978	2.986	8,015,588	-0.03(-0.95%)
Dec 29, 2011	2.978	3.021	2.961	3.014	6,788,493	+0.04(+1.47%)
Dec 28, 2011	3.025	3.038	2.951	2.971	8,293,983	-0.07(-2.26%)
Dec 27, 2011	3.040	3.045	3.020	3.040	5,137,546	+0.01(+0.44%)
Dec 23, 2011	2.998	3.050	2.984	3.026	8,992,744	+0.07(+2.27%)
Dec 21, 2011	2.951	2.971	2.912	2.959	10,809,457	-0.06(-1.88%)
Dec 20, 2011	2.986	3.034	2.981	3.016	9,379,952	+0.12(+4.23%)
Dec 19, 2011	2.913	2.983	2.867	2.893	10,528,178	-0.03(-0.91%)
Dec 16, 2011	2.974	2.981	2.888	2.920	22,131,744	-0.06(-2.05%)
Dec 15, 2011	2.963	3.024	2.955	2.981	14,079,958	+0.07(+2.38%)
Dec 14, 2011	2.875	2.953	2.861	2.912	15,521,008	+0.00(+0.06%)
Dec 13, 2011	2.921	2.959	2.895	2.910	13,990,908	+0.01(+0.28%)
Dec 12, 2011	2.893	2.917	2.845	2.902	11,436,520	+0.00(+0.06%)
Dec 09, 2011	2.831	2.912	2.831	2.900	13,872,270	+0.07(+2.57%)
Dec 08, 2011	2.872	2.884	2.814	2.827	16,174,713	-0.08(-2.84%)
Dec 07, 2011	2.855	2.926	2.850	2.910	18,184,272	+0.03(+1.09%)
Dec 06, 2011	2.847	2.883	2.839	2.879	12,936,532	+0.02(+0.69%)
Dec 05, 2011	2.798	2.864	2.786	2.859	17,219,334	+0.11(+4.15%)
Dec 02, 2011	2.844	2.875	2.728	2.745	13,823,215	-0.13(-4.54%)

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