Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	96.39	96.93	96.34	96.91	7,262,044	+0.80(+0.83%)
Feb 25, 2011	95.95	96.25	95.79	96.10	7,122,073	+0.57(+0.60%)
Feb 24, 2011	95.81	96.02	94.86	95.53	15,442,823	-0.34(-0.36%)
Feb 23, 2011	96.52	96.60	95.49	95.87	18,231,554	-0.83(-0.85%)
Feb 22, 2011	97.48	97.80	96.38	96.70	12,392,800	-1.36(-1.38%)
Feb 18, 2011	97.56	98.09	97.44	98.06	7,967,684	+0.35(+0.36%)
Feb 17, 2011	97.30	97.85	97.24	97.71	6,121,568	+0.22(+0.23%)
Feb 16, 2011	97.17	97.63	97.08	97.48	7,159,705	+0.54(+0.56%)
Feb 15, 2011	97.06	97.08	96.69	96.94	6,119,296	-0.33(-0.33%)
Feb 14, 2011	97.17	97.35	97.02	97.27	5,160,804	-0.03(-0.03%)
Feb 11, 2011	96.64	97.39	96.56	97.30	8,692,166	+0.38(+0.39%)
Feb 10, 2011	96.60	96.98	96.33	96.92	9,050,877	-0.09(-0.09%)
Feb 09, 2011	96.87	97.10	96.59	97.01	9,668,317	+0.11(+0.11%)
Feb 08, 2011	96.35	96.96	96.25	96.90	7,606,235	+0.63(+0.65%)
Feb 07, 2011	95.90	96.51	95.87	96.27	9,223,606	+0.52(+0.55%)
Feb 04, 2011	95.49	95.75	95.22	95.75	6,545,713	+0.25(+0.27%)
Feb 03, 2011	95.22	95.65	94.85	95.49	7,989,226	+0.21(+0.22%)
Feb 02, 2011	95.11	95.45	95.11	95.28	5,333,474	+0.01(+0.01%)
Feb 01, 2011	94.53	95.38	94.47	95.27	9,614,446	+1.18(+1.26%)
Jan 31, 2011	93.81	94.13	93.52	94.09	11,300,474	+0.46(+0.49%)
Jan 28, 2011	94.93	95.09	93.42	93.63	21,625,238	-1.29(-1.35%)
Jan 27, 2011	94.90	95.14	94.76	94.91	9,319,135	+0.02(+0.03%)
Jan 26, 2011	94.84	95.15	94.68	94.89	11,545,209	+0.10(+0.10%)
Jan 25, 2011	94.64	94.87	94.18	94.79	13,206,420	-0.06(-0.06%)
Jan 24, 2011	93.90	94.87	93.88	94.85	15,503,454	+0.87(+0.93%)
Jan 21, 2011	94.18	94.25	93.59	93.98	12,188,344	+0.27(+0.29%)
Jan 20, 2011	93.49	93.88	93.08	93.71	13,765,386	-0.03(-0.03%)
Jan 19, 2011	93.89	94.00	93.50	93.74	11,414,587	-0.06(-0.06%)
Jan 18, 2011	93.42	93.95	93.41	93.80	5,881,131	+0.43(+0.46%)
Jan 14, 2011	92.72	93.43	92.66	93.37	7,419,655	+0.39(+0.42%)
Jan 13, 2011	93.11	93.12	92.68	92.98	7,634,649	-0.16(-0.17%)
Jan 12, 2011	92.94	93.34	92.83	93.14	6,624,936	+0.67(+0.73%)
Jan 11, 2011	92.53	92.71	92.16	92.46	6,457,037	+0.28(+0.30%)
Jan 10, 2011	92.15	92.30	91.68	92.18	7,758,463	-0.29(-0.32%)
Jan 07, 2011	92.75	92.90	91.88	92.48	11,660,529	-0.17(-0.18%)
Jan 06, 2011	92.93	92.97	92.42	92.64	9,027,217	-0.21(-0.22%)
Jan 05, 2011	92.39	92.97	92.26	92.85	9,539,226	+0.32(+0.34%)
Jan 04, 2011	92.59	92.61	92.11	92.53	12,322,161	+0.18(+0.20%)
Jan 03, 2011	92.35	92.71	92.31	92.35	11,481,787	+0.62(+0.67%)
Dec 31, 2010	91.49	91.81	91.26	91.73	4,696,452	+0.14(+0.16%)
Dec 30, 2010	91.65	91.80	91.44	91.59	8,318,213	-0.16(-0.17%)
Dec 29, 2010	91.80	92.01	91.72	91.75	8,346,911	-0.11(-0.12%)
Dec 28, 2010	91.84	91.93	91.50	91.86	5,972,756	+0.20(+0.22%)
Dec 27, 2010	91.52	91.74	91.35	91.66	5,216,718	-0.15(-0.16%)
Dec 23, 2010	91.64	91.86	91.55	91.81	4,511,112	+0.12(+0.13%)
Dec 22, 2010	91.51	91.76	91.43	91.69	4,395,660	+0.21(+0.23%)
Dec 21, 2010	91.32	91.60	91.22	91.48	6,030,681	+0.44(+0.49%)
Dec 20, 2010	91.34	91.35	90.74	91.03	8,498,460	-0.16(-0.17%)
Dec 17, 2010	91.18	91.22	90.82	91.19	5,826,560	-0.23(-0.25%)
Dec 16, 2010	91.22	91.54	90.77	91.42	10,222,108	+0.28(+0.30%)
Dec 15, 2010	91.16	91.58	90.98	91.15	7,375,356	-0.10(-0.10%)
Dec 14, 2010	90.94	91.53	90.91	91.24	6,570,344	+0.41(+0.45%)
Dec 13, 2010	90.97	91.26	90.78	90.83	6,004,038	+0.16(+0.17%)
Dec 10, 2010	90.52	90.71	90.26	90.67	10,456,911	+0.29(+0.32%)
Dec 09, 2010	90.72	90.75	90.05	90.38	6,598,023	+0.02(+0.03%)
Dec 08, 2010	90.20	90.50	90.00	90.35	8,197,819	+0.13(+0.14%)
Dec 07, 2010	90.93	91.00	90.18	90.23	9,601,590	-0.01(-0.01%)
Dec 06, 2010	90.27	90.48	90.15	90.23	7,734,260	-0.16(-0.18%)
Dec 03, 2010	89.92	90.46	89.89	90.39	5,740,216	+0.16(+0.18%)
Dec 02, 2010	89.46	90.34	89.45	90.23	7,750,342	+0.85(+0.95%)

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