Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	77.99	79.67	77.65	79.62	462,000	+2.10(+2.71%)
Feb 25, 2011	76.91	77.99	76.54	77.52	452,498	+0.89(+1.16%)
Feb 24, 2011	80.74	81.07	76.49	76.63	749,903	-3.55(-4.42%)
Feb 23, 2011	78.41	80.83	78.22	80.18	912,956	+1.63(+2.08%)
Feb 22, 2011	82.19	82.56	78.31	78.55	993,761	-2.71(-3.33%)
Feb 18, 2011	80.79	82.04	79.99	81.25	894,913	+1.49(+1.87%)
Feb 17, 2011	79.11	80.13	78.55	79.76	648,898	+0.93(+1.18%)
Feb 16, 2011	78.69	79.01	77.19	78.83	571,087	+0.79(+1.02%)
Feb 15, 2011	77.75	78.36	77.43	78.03	554,095	+1.21(+1.58%)
Feb 14, 2011	76.82	77.66	76.03	76.82	828,135	+0.28(+0.37%)
Feb 11, 2011	77.75	79.20	76.40	76.54	876,743	-1.63(-2.09%)
Feb 10, 2011	77.05	78.17	76.73	78.17	746,379	+0.23(+0.30%)
Feb 09, 2011	78.55	78.87	77.19	77.94	667,848	-0.18(-0.24%)
Feb 08, 2011	77.75	78.12	77.09	78.12	688,063	+1.76(+2.31%)
Feb 07, 2011	77.52	78.08	76.22	76.36	530,945	-1.07(-1.38%)
Feb 04, 2011	77.98	78.87	77.20	77.43	932,922	+0.09(+0.12%)
Feb 03, 2011	75.80	77.75	74.78	77.34	1,009,218	+1.95(+2.58%)
Feb 02, 2011	76.27	76.41	74.69	75.39	592,887	-0.88(-1.16%)
Feb 01, 2011	75.48	76.41	73.81	76.27	962,997	+1.48(+1.99%)
Jan 31, 2011	75.71	76.50	74.00	74.78	798,399	-1.35(-1.77%)
Jan 28, 2011	74.13	77.80	73.16	76.13	1,382,376	+1.39(+1.86%)
Jan 27, 2011	76.73	76.83	74.09	74.74	815,778	-2.09(-2.72%)
Jan 26, 2011	74.69	77.52	73.62	76.83	1,113,199	+1.86(+2.48%)
Jan 25, 2011	72.00	75.15	71.63	74.97	1,750,443	+1.76(+2.41%)
Jan 24, 2011	74.23	75.20	72.56	73.21	1,159,238	-0.97(-1.31%)
Jan 21, 2011	75.62	76.96	74.13	74.18	1,130,270	-1.99(-2.62%)
Jan 20, 2011	76.64	77.15	74.83	76.18	1,157,751	-2.18(-2.78%)
Jan 19, 2011	80.40	80.40	77.61	78.36	888,728	-1.44(-1.80%)
Jan 18, 2011	80.40	80.77	79.24	79.79	569,207	+0.37(+0.47%)
Jan 14, 2011	81.14	81.74	79.10	79.42	874,765	-2.83(-3.44%)
Jan 13, 2011	85.08	85.18	81.46	82.25	617,186	-2.51(-2.96%)
Jan 12, 2011	84.76	85.04	83.09	84.76	711,844	+0.97(+1.16%)
Jan 11, 2011	79.93	84.02	79.70	83.78	1,084,627	+4.92(+6.24%)
Jan 10, 2011	79.79	80.12	78.77	78.87	597,570	-0.84(-1.05%)
Jan 07, 2011	78.54	80.86	78.54	79.70	702,402	+0.79(+1.00%)
Jan 06, 2011	81.56	81.84	78.68	78.91	1,001,216	-2.92(-3.57%)
Jan 05, 2011	81.79	82.48	80.35	81.84	655,908	-0.97(-1.18%)
Jan 04, 2011	84.53	84.85	80.86	82.81	1,095,916	-2.37(-2.78%)
Jan 03, 2011	86.66	86.80	84.57	85.18	536,831	-0.97(-1.13%)
Dec 31, 2010	86.24	86.80	85.64	86.15	311,315	+0.14(+0.16%)
Dec 30, 2010	85.92	86.66	85.64	86.01	446,662	+0.14(+0.16%)
Dec 29, 2010	84.34	86.29	84.29	85.87	545,573	+2.18(+2.61%)
Dec 28, 2010	83.78	84.67	83.00	83.69	511,627	+1.21(+1.46%)
Dec 27, 2010	83.69	83.83	82.16	82.48	275,138	-1.35(-1.60%)
Dec 23, 2010	83.00	84.76	82.81	83.83	441,600	+0.42(+0.50%)
Dec 22, 2010	84.43	85.08	83.23	83.41	456,582	-1.16(-1.37%)
Dec 21, 2010	83.41	84.76	83.09	84.57	604,620	+0.88(+1.05%)
Dec 20, 2010	83.92	84.67	82.58	83.69	779,240	-0.19(-0.22%)
Dec 17, 2010	83.60	84.20	81.88	83.88	2,003,580	+0.88(+1.06%)
Dec 16, 2010	83.88	84.02	81.97	83.00	1,058,395	-0.70(-0.83%)
Dec 15, 2010	84.48	85.18	83.13	83.69	993,655	-1.53(-1.80%)
Dec 14, 2010	85.08	86.24	84.06	85.22	810,786	+0.97(+1.16%)
Dec 13, 2010	84.53	85.41	83.78	84.25	594,758	+1.07(+1.28%)
Dec 10, 2010	82.44	83.30	81.09	83.18	618,687	+0.05(+0.06%)
Dec 09, 2010	84.02	84.29	82.16	83.13	667,940	-0.42(-0.50%)
Dec 08, 2010	84.15	85.04	82.58	83.55	855,147	-1.16(-1.37%)
Dec 07, 2010	88.56	88.61	84.34	84.71	1,156,963	-2.64(-3.03%)
Dec 06, 2010	87.63	87.77	86.66	87.36	816,704	+0.23(+0.27%)
Dec 03, 2010	86.15	87.59	85.59	87.12	720,284	+2.13(+2.51%)
Dec 02, 2010	84.85	86.15	84.20	84.99	878,195	+1.53(+1.83%)

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