Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2011	20.99	21.05	20.80	20.84	6,695,584	-0.08(-0.40%)
Jan 28, 2011	21.11	21.24	20.89	20.93	8,098,035	-0.22(-1.02%)
Jan 27, 2011	21.15	21.20	21.03	21.14	9,969,283	+0.00(+0.00%)
Jan 26, 2011	21.31	21.35	21.11	21.14	10,977,480	-0.17(-0.78%)
Jan 25, 2011	21.28	21.43	21.24	21.31	9,307,185	+0.03(+0.16%)
Jan 24, 2011	21.24	21.30	21.21	21.28	8,343,665	+0.08(+0.39%)
Jan 21, 2011	21.34	21.34	21.17	21.19	9,600,334	-0.08(-0.39%)
Jan 20, 2011	21.37	21.49	21.24	21.28	9,111,781	-0.03(-0.13%)
Jan 19, 2011	21.29	21.42	21.27	21.30	9,826,150	+0.03(+0.13%)
Jan 18, 2011	21.26	21.31	21.23	21.28	6,558,904	-0.06(-0.26%)
Jan 14, 2011	21.19	21.33	21.12	21.33	5,379,396	+0.12(+0.57%)
Jan 13, 2011	21.09	21.23	21.03	21.21	5,717,354	+0.11(+0.53%)
Jan 12, 2011	21.02	21.15	20.98	21.10	4,043,683	+0.13(+0.63%)
Jan 11, 2011	20.94	21.03	20.85	20.97	5,730,769	+0.04(+0.21%)
Jan 10, 2011	20.97	21.01	20.83	20.92	19,621,182	-0.18(-0.84%)
Jan 07, 2011	21.07	21.11	20.92	21.10	18,283,636	+0.11(+0.50%)
Jan 06, 2011	21.12	21.16	20.90	20.99	21,585,462	-0.06(-0.26%)
Jan 05, 2011	21.26	21.30	21.04	21.05	7,894,211	-0.28(-1.32%)
Jan 04, 2011	21.22	21.35	21.12	21.33	7,352,880	+0.04(+0.21%)
Jan 03, 2011	21.26	21.33	21.15	21.29	6,209,619	+0.11(+0.50%)
Dec 31, 2010	21.23	21.27	21.15	21.18	3,377,688	-0.04(-0.18%)
Dec 30, 2010	21.24	21.29	21.17	21.22	3,001,742	-0.07(-0.31%)
Dec 29, 2010	21.33	21.33	21.18	21.29	2,940,058	+0.00(+0.00%)
Dec 28, 2010	21.20	21.29	21.15	21.29	2,469,934	+0.08(+0.37%)
Dec 27, 2010	21.15	21.29	21.14	21.21	2,307,354	+0.01(+0.05%)
Dec 23, 2010	21.20	21.24	21.14	21.20	3,045,033	+0.01(+0.05%)
Dec 22, 2010	21.21	21.29	21.16	21.19	4,475,936	-0.06(-0.26%)
Dec 21, 2010	21.26	21.28	21.15	21.24	4,235,127	+0.03(+0.16%)
Dec 20, 2010	21.04	21.25	21.03	21.21	7,839,271	+0.21(+1.00%)
Dec 17, 2010	20.89	21.05	20.85	21.00	11,923,705	+0.06(+0.29%)
Dec 16, 2010	20.95	20.99	20.85	20.94	7,506,829	+0.05(+0.24%)
Dec 15, 2010	20.95	21.00	20.86	20.89	5,854,611	-0.09(-0.42%)
Dec 14, 2010	20.97	21.04	20.93	20.98	7,046,620	-0.02(-0.11%)
Dec 13, 2010	20.95	21.05	20.94	21.00	5,173,759	+0.04(+0.21%)
Dec 10, 2010	21.03	21.10	20.91	20.95	4,542,230	-0.06(-0.29%)
Dec 09, 2010	20.83	21.05	20.78	21.02	5,473,030	+0.19(+0.93%)
Dec 08, 2010	21.04	21.06	20.74	20.82	8,108,220	-0.17(-0.82%)
Dec 07, 2010	21.23	21.25	20.97	20.99	5,112,629	-0.11(-0.50%)
Dec 06, 2010	21.07	21.16	21.05	21.10	4,835,051	-0.02(-0.11%)
Dec 03, 2010	21.04	21.18	20.94	21.12	7,497,480	+0.02(+0.11%)
Dec 02, 2010	21.21	21.21	21.04	21.10	6,624,190	-0.08(-0.39%)
Dec 01, 2010	21.07	21.25	21.01	21.18	6,470,840	+0.28(+1.35%)
Nov 30, 2010	20.68	20.95	20.68	20.90	6,871,699	+0.09(+0.45%)
Nov 29, 2010	20.87	20.92	20.69	20.80	6,094,549	-0.16(-0.74%)
Nov 26, 2010	20.99	21.07	20.89	20.96	2,966,418	-0.10(-0.47%)
Nov 24, 2010	21.10	21.06	21.06	21.06	3,555,133	+0.03(+0.13%)
Nov 23, 2010	21.07	21.11	20.92	21.03	5,371,018	-0.15(-0.71%)
Nov 22, 2010	21.12	21.24	21.00	21.18	5,671,558	+0.09(+0.42%)
Nov 19, 2010	21.07	21.13	20.92	21.09	5,026,655	+0.02(+0.11%)
Nov 18, 2010	21.12	21.15	20.92	21.07	5,946,801	+0.07(+0.32%)
Nov 17, 2010	21.18	21.19	20.92	21.00	5,850,819	-0.12(-0.58%)
Nov 16, 2010	21.11	21.24	21.06	21.13	9,658,312	-0.11(-0.52%)
Nov 15, 2010	21.13	21.30	21.13	21.24	5,063,484	+0.13(+0.63%)
Nov 12, 2010	21.18	21.18	20.95	21.10	5,473,599	-0.09(-0.44%)
Nov 11, 2010	20.94	21.21	20.94	21.20	6,618,987	+0.16(+0.76%)
Nov 10, 2010	21.16	21.16	20.99	21.04	6,740,163	-0.16(-0.73%)
Nov 09, 2010	21.22	21.27	21.14	21.19	5,436,210	-0.04(-0.18%)
Nov 08, 2010	21.18	21.26	21.05	21.23	5,000,697	-0.08(-0.39%)
Nov 05, 2010	21.26	21.32	21.19	21.31	4,629,608	+0.01(+0.05%)
Nov 04, 2010	21.12	21.31	21.03	21.30	7,757,035	+0.30(+1.42%)
Nov 03, 2010	21.10	21.10	20.87	21.00	5,493,911	-0.04(-0.18%)
Nov 02, 2010	20.92	21.08	20.86	21.04	5,486,552	+0.22(+1.06%)

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