Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	77.42	78.02	77.17	77.85	593,016	+0.85(+1.11%)
Feb 25, 2011	76.51	77.22	76.19	76.99	572,937	+0.91(+1.19%)
Feb 24, 2011	76.93	77.06	75.68	76.09	722,210	-0.66(-0.86%)
Feb 23, 2011	77.34	77.61	76.19	76.74	1,021,605	-0.51(-0.66%)
Feb 22, 2011	77.91	78.40	76.94	77.25	810,205	-1.67(-2.11%)
Feb 18, 2011	78.44	78.98	78.19	78.92	602,891	+0.65(+0.83%)
Feb 17, 2011	78.47	78.58	78.14	78.27	640,403	-0.40(-0.51%)
Feb 16, 2011	78.40	78.85	78.07	78.67	663,735	+0.51(+0.65%)
Feb 15, 2011	77.99	78.42	77.65	78.16	657,918	-0.29(-0.37%)
Feb 14, 2011	77.56	78.52	77.36	78.45	740,420	+0.96(+1.24%)
Feb 11, 2011	76.44	77.89	76.25	77.48	754,218	+0.60(+0.78%)
Feb 10, 2011	75.46	76.96	75.46	76.88	532,602	+0.86(+1.13%)
Feb 09, 2011	75.98	76.15	75.37	76.02	541,001	+0.05(+0.06%)
Feb 08, 2011	74.79	75.98	74.76	75.98	815,395	+1.30(+1.75%)
Feb 07, 2011	74.07	74.79	74.03	74.67	545,385	+0.67(+0.90%)
Feb 04, 2011	73.10	74.24	73.10	74.01	479,271	+0.80(+1.10%)
Feb 03, 2011	73.16	73.38	72.64	73.20	520,722	+0.02(+0.03%)
Feb 02, 2011	72.79	73.39	72.65	73.18	581,457	+0.17(+0.23%)
Feb 01, 2011	72.49	73.12	71.64	73.02	735,235	+1.13(+1.57%)
Jan 31, 2011	72.28	73.93	71.49	71.89	1,454,809	+1.85(+2.64%)
Jan 28, 2011	70.94	71.56	69.26	70.04	831,704	-0.90(-1.27%)
Jan 27, 2011	70.25	71.16	70.08	70.93	593,095	+0.62(+0.88%)
Jan 26, 2011	69.50	70.52	69.41	70.31	868,716	+0.98(+1.41%)
Jan 25, 2011	68.91	69.40	68.36	69.33	545,287	+0.16(+0.23%)
Jan 24, 2011	68.34	69.26	68.17	69.18	481,269	+0.78(+1.14%)
Jan 21, 2011	68.69	69.24	68.30	68.40	483,441	+0.33(+0.49%)
Jan 20, 2011	68.45	68.57	67.86	68.07	700,523	-0.45(-0.66%)
Jan 19, 2011	69.92	70.15	68.27	68.52	1,294,538	-1.50(-2.14%)
Jan 18, 2011	69.78	70.31	69.58	70.02	705,753	+0.28(+0.40%)
Jan 14, 2011	69.53	69.89	69.31	69.74	651,334	+0.01(+0.01%)
Jan 13, 2011	69.75	69.99	69.32	69.73	432,806	-0.04(-0.05%)
Jan 12, 2011	70.45	70.50	69.62	69.77	530,651	-0.17(-0.24%)
Jan 11, 2011	69.73	70.40	69.43	69.93	385,384	+0.47(+0.68%)
Jan 10, 2011	68.31	69.58	66.96	69.46	863,600	+0.19(+0.27%)
Jan 07, 2011	70.05	70.34	68.20	69.28	941,127	-0.70(-1.00%)
Jan 06, 2011	70.54	70.57	69.76	69.98	504,468	-0.57(-0.81%)
Jan 05, 2011	69.96	70.77	69.85	70.55	414,565	+0.39(+0.55%)
Jan 04, 2011	71.51	71.51	69.36	70.17	756,239	-1.03(-1.45%)
Jan 03, 2011	71.26	72.17	71.13	71.20	502,844	+0.58(+0.82%)
Dec 31, 2010	70.92	71.04	70.52	70.62	332,323	-0.39(-0.55%)
Dec 30, 2010	71.43	71.80	70.97	71.01	266,160	-0.44(-0.62%)
Dec 29, 2010	71.70	71.70	71.21	71.45	298,454	-0.04(-0.05%)
Dec 28, 2010	71.80	72.06	71.35	71.49	343,915	-0.30(-0.41%)
Dec 27, 2010	70.78	71.96	70.68	71.78	452,464	+0.83(+1.17%)
Dec 23, 2010	71.99	72.07	70.90	70.95	429,099	-1.10(-1.53%)
Dec 22, 2010	71.99	72.35	71.94	72.05	627,739	+0.11(+0.15%)
Dec 21, 2010	71.60	72.05	71.36	71.94	695,497	+0.67(+0.95%)
Dec 20, 2010	72.45	72.45	71.03	71.27	812,776	-0.90(-1.24%)
Dec 17, 2010	72.46	72.64	71.73	72.16	1,497,958	-0.30(-0.42%)
Dec 16, 2010	71.51	72.47	70.97	72.47	450,022	+1.15(+1.61%)
Dec 15, 2010	71.27	71.99	71.06	71.32	779,507	-0.17(-0.23%)
Dec 14, 2010	71.52	72.12	71.24	71.49	708,860	+0.04(+0.05%)
Dec 13, 2010	71.89	72.07	71.35	71.45	1,178,308	-0.35(-0.49%)
Dec 10, 2010	71.18	71.84	70.78	71.80	789,544	+0.79(+1.12%)
Dec 09, 2010	71.02	71.16	70.60	71.01	444,676	+0.35(+0.50%)
Dec 08, 2010	70.78	71.02	70.29	70.66	408,686	-0.11(-0.16%)
Dec 07, 2010	70.96	70.96	70.37	70.77	766,567	+0.61(+0.87%)
Dec 06, 2010	69.50	70.44	69.24	70.16	727,392	+0.59(+0.85%)
Dec 03, 2010	68.81	69.64	68.71	69.56	595,460	+0.44(+0.64%)
Dec 02, 2010	67.85	69.38	67.79	69.12	782,224	+0.98(+1.44%)

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