Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	2.900	2.930	2.850	2.900	67,350	+0.04(+1.40%)
May 23, 2011	2.930	2.990	2.850	2.860	22,411	-0.13(-4.35%)
May 20, 2011	3.040	3.120	2.990	2.990	27,367	-0.09(-2.92%)
May 19, 2011	3.090	3.105	3.040	3.080	12,121	+0.02(+0.65%)
May 18, 2011	2.990	3.110	2.950	3.060	48,716	+0.03(+0.99%)
May 17, 2011	2.970	3.050	2.970	3.030	15,910	+0.03(+1.00%)
May 16, 2011	3.100	3.120	2.950	3.000	41,814	-0.10(-3.23%)
May 13, 2011	3.140	3.160	3.100	3.100	19,837	-0.06(-1.90%)
May 12, 2011	3.080	3.170	3.080	3.160	15,089	+0.08(+2.60%)
May 11, 2011	3.250	3.250	3.000	3.080	72,493	-0.17(-5.23%)
May 10, 2011	3.380	3.380	3.200	3.250	16,364	+0.07(+2.20%)
May 09, 2011	3.170	3.235	3.110	3.180	51,557	+0.00(+0.00%)
May 06, 2011	3.290	3.290	3.140	3.180	44,647	-0.06(-1.85%)
May 05, 2011	3.230	3.330	3.230	3.240	41,502	-0.01(-0.31%)
May 04, 2011	3.270	3.310	3.250	3.250	20,058	-0.02(-0.61%)
May 03, 2011	3.310	3.310	3.260	3.270	17,217	-0.06(-1.80%)
May 02, 2011	3.340	3.450	3.280	3.330	27,845	-0.11(-3.20%)
Apr 29, 2011	3.430	3.450	3.420	3.440	15,575	-0.01(-0.29%)
Apr 28, 2011	3.380	3.450	3.380	3.450	22,688	+0.05(+1.47%)
Apr 27, 2011	3.430	3.440	3.350	3.400	8,700	-0.05(-1.45%)
Apr 26, 2011	3.330	3.450	3.330	3.450	32,609	+0.04(+1.17%)
Apr 25, 2011	3.370	3.430	3.370	3.410	20,384	+0.04(+1.19%)
Apr 21, 2011	3.360	3.370	3.350	3.370	18,833	+0.03(+0.90%)
Apr 20, 2011	3.320	3.340	3.300	3.340	25,160	+0.07(+2.14%)
Apr 19, 2011	3.280	3.290	3.250	3.270	10,696	+0.01(+0.31%)
Apr 18, 2011	3.260	3.290	3.200	3.260	23,874	-0.02(-0.61%)
Apr 15, 2011	3.250	3.300	3.250	3.280	25,118	+0.01(+0.31%)
Apr 14, 2011	3.300	3.320	3.150	3.270	282,934	-0.05(-1.51%)
Apr 13, 2011	3.350	3.360	3.320	3.320	27,291	-0.03(-0.90%)
Apr 12, 2011	3.300	3.450	3.300	3.350	23,214	+0.06(+1.82%)
Apr 11, 2011	3.300	3.310	3.280	3.290	35,544	-0.01(-0.30%)
Apr 08, 2011	3.370	3.370	3.300	3.300	8,541	-0.03(-0.90%)
Apr 07, 2011	3.350	3.350	3.300	3.330	6,051	-0.01(-0.30%)
Apr 06, 2011	3.390	3.390	3.300	3.340	12,458	-0.04(-1.18%)
Apr 05, 2011	3.310	3.380	3.260	3.380	29,880	-0.02(-0.59%)
Apr 04, 2011	3.400	3.430	3.320	3.400	25,479	+0.00(+0.00%)
Apr 01, 2011	3.430	3.430	3.160	3.400	13,675	+0.00(+0.00%)
Mar 31, 2011	3.320	3.420	3.300	3.400	40,381	+0.05(+1.49%)
Mar 30, 2011	3.400	3.430	3.300	3.350	47,517	-0.05(-1.47%)
Mar 29, 2011	3.320	3.400	3.300	3.400	14,039	+0.07(+2.10%)
Mar 28, 2011	3.340	3.350	3.300	3.330	7,743	+0.01(+0.30%)
Mar 25, 2011	3.330	3.330	3.300	3.320	15,064	-0.01(-0.30%)
Mar 24, 2011	3.380	3.380	3.320	3.330	39,765	-0.05(-1.48%)
Mar 23, 2011	3.370	3.390	3.330	3.380	17,130	-0.01(-0.29%)
Mar 22, 2011	3.430	3.430	3.360	3.390	8,507	-0.03(-0.88%)
Mar 21, 2011	3.370	3.470	3.350	3.420	30,314	+0.07(+2.09%)
Mar 18, 2011	3.340	3.420	3.300	3.350	54,827	+0.06(+1.82%)
Mar 17, 2011	3.350	3.350	3.260	3.290	21,416	+0.01(+0.30%)
Mar 16, 2011	3.280	3.310	3.200	3.280	77,263	-0.02(-0.61%)
Mar 15, 2011	3.190	3.330	3.190	3.300	18,294	+0.00(+0.00%)
Mar 14, 2011	3.360	3.360	3.300	3.300	26,995	-0.10(-2.94%)
Mar 11, 2011	3.390	3.470	3.360	3.400	23,886	+0.01(+0.29%)
Mar 10, 2011	3.590	3.600	3.390	3.390	29,609	-0.28(-7.63%)
Mar 09, 2011	3.570	3.670	3.490	3.670	15,140	+0.08(+2.23%)
Mar 08, 2011	3.410	3.590	3.400	3.590	10,473	+0.20(+5.90%)
Mar 07, 2011	3.500	3.510	3.380	3.390	31,409	-0.10(-2.87%)
Mar 04, 2011	3.670	3.670	3.470	3.490	21,868	-0.20(-5.42%)
Mar 03, 2011	3.690	3.700	3.580	3.690	28,795	+0.04(+1.10%)
Mar 02, 2011	3.470	3.670	3.460	3.650	20,715	+0.18(+5.19%)

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