Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	80.27	81.32	80.24	80.79	1,707,095	+0.35(+0.44%)
Feb 25, 2011	79.91	81.08	79.78	80.44	1,715,167	+0.69(+0.86%)
Feb 24, 2011	79.22	79.85	78.74	79.75	2,637,636	+0.38(+0.47%)
Feb 23, 2011	79.91	80.27	78.39	79.37	2,129,310	-0.69(-0.86%)
Feb 22, 2011	79.37	80.58	78.92	80.06	2,250,175	-1.02(-1.26%)
Feb 18, 2011	80.54	81.13	80.09	81.08	2,394,780	+0.63(+0.78%)
Feb 17, 2011	79.54	80.45	79.08	80.45	2,045,365	+0.07(+0.09%)
Feb 16, 2011	79.37	80.39	79.30	80.38	2,371,011	+1.12(+1.41%)
Feb 15, 2011	79.13	79.46	78.56	79.26	1,515,959	+0.06(+0.07%)
Feb 14, 2011	79.15	79.70	79.10	79.20	1,363,712	-0.17(-0.22%)
Feb 11, 2011	78.05	79.69	77.75	79.37	1,822,786	+1.20(+1.54%)
Feb 10, 2011	77.41	78.19	77.28	78.17	2,159,942	+0.62(+0.80%)
Feb 09, 2011	77.58	78.39	77.43	77.55	1,225,574	-0.34(-0.43%)
Feb 08, 2011	77.98	78.07	77.39	77.89	1,338,195	+0.07(+0.09%)
Feb 07, 2011	78.02	78.16	77.51	77.81	1,508,373	-0.12(-0.16%)
Feb 04, 2011	77.66	77.93	77.23	77.93	1,924,583	+0.34(+0.44%)
Feb 03, 2011	77.56	77.79	76.99	77.59	1,703,321	-0.16(-0.21%)
Feb 02, 2011	77.53	77.84	77.07	77.75	1,935,027	-0.21(-0.27%)
Feb 01, 2011	76.48	77.97	76.45	77.97	2,092,361	+1.83(+2.41%)
Jan 31, 2011	74.47	76.13	74.47	76.13	2,241,895	+1.78(+2.39%)
Jan 28, 2011	75.22	75.78	74.15	74.36	1,839,101	-0.85(-1.13%)
Jan 27, 2011	74.58	75.23	74.36	75.21	1,666,265	+0.34(+0.46%)
Jan 26, 2011	74.68	75.27	74.08	74.87	2,714,406	+0.20(+0.27%)
Jan 25, 2011	74.53	74.72	74.11	74.66	2,293,299	-0.16(-0.22%)
Jan 24, 2011	73.91	74.91	73.68	74.82	1,592,042	+0.33(+0.44%)
Jan 21, 2011	75.05	75.41	74.42	74.50	1,928,610	-0.11(-0.15%)
Jan 20, 2011	75.53	75.69	74.52	74.61	1,856,119	-0.90(-1.19%)
Jan 19, 2011	76.52	76.63	75.35	75.51	1,759,308	-0.95(-1.24%)
Jan 18, 2011	76.16	76.80	76.00	76.46	1,398,183	+0.37(+0.48%)
Jan 14, 2011	75.90	76.20	75.44	76.09	2,461,933	+0.07(+0.10%)
Jan 13, 2011	76.84	76.91	75.73	76.02	2,168,588	-0.67(-0.88%)
Jan 12, 2011	76.97	77.01	76.45	76.69	1,553,779	+0.34(+0.45%)
Jan 11, 2011	76.40	76.50	75.93	76.35	1,728,146	+0.10(+0.13%)
Jan 10, 2011	76.40	76.51	76.10	76.25	2,510,533	-0.91(-1.18%)
Jan 07, 2011	76.25	77.29	76.13	77.16	2,734,288	+1.01(+1.33%)
Jan 06, 2011	77.18	77.21	76.00	76.14	2,134,801	-1.18(-1.52%)
Jan 05, 2011	76.98	77.41	76.85	77.32	1,514,109	-0.06(-0.07%)
Jan 04, 2011	78.38	78.48	76.79	77.38	1,803,215	-0.80(-1.03%)
Jan 03, 2011	78.55	78.55	77.82	78.18	1,869,155	+0.06(+0.07%)
Dec 31, 2010	77.65	78.34	77.54	78.12	1,307,096	+0.51(+0.65%)
Dec 30, 2010	78.34	78.39	77.50	77.62	2,889,257	-0.88(-1.13%)
Dec 29, 2010	78.43	78.72	78.27	78.50	844,677	+0.26(+0.33%)
Dec 28, 2010	78.15	78.36	77.64	78.24	642,705	+0.19(+0.24%)
Dec 27, 2010	78.02	78.32	77.68	78.05	486,813	-0.11(-0.14%)
Dec 23, 2010	78.14	78.52	77.95	78.16	782,168	-0.11(-0.15%)
Dec 22, 2010	78.70	78.70	77.91	78.27	1,137,682	-0.26(-0.33%)
Dec 21, 2010	77.74	78.83	77.53	78.53	1,848,501	+0.97(+1.24%)
Dec 20, 2010	76.63	77.71	76.37	77.57	1,699,838	+1.04(+1.36%)
Dec 17, 2010	76.73	76.94	76.13	76.53	2,216,209	-0.28(-0.36%)
Dec 16, 2010	76.81	76.87	75.79	76.81	1,585,239	+0.63(+0.83%)
Dec 15, 2010	75.36	76.52	75.28	76.18	2,007,481	+0.43(+0.56%)
Dec 14, 2010	76.15	76.20	75.45	75.75	1,897,969	-0.65(-0.86%)
Dec 13, 2010	76.69	77.00	76.18	76.40	1,718,040	-0.02(-0.02%)
Dec 10, 2010	76.86	76.92	76.12	76.42	1,508,815	-0.27(-0.35%)
Dec 09, 2010	76.98	77.08	76.35	76.69	1,564,177	+0.14(+0.18%)
Dec 08, 2010	77.21	77.32	76.17	76.55	1,404,811	-0.43(-0.56%)
Dec 07, 2010	77.36	77.64	76.45	76.99	1,955,148	+0.23(+0.30%)
Dec 06, 2010	76.46	77.14	76.03	76.76	1,116,477	-0.33(-0.42%)
Dec 03, 2010	76.59	77.23	76.17	77.08	1,332,150	+0.18(+0.23%)
Dec 02, 2010	76.06	76.92	75.86	76.90	1,980,451	+0.75(+0.98%)

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