Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2011	17.92	18.43	17.53	17.94	20,170,354	+0.91(+5.33%)
Nov 29, 2011	16.80	17.21	16.68	17.03	8,607,941	+0.31(+1.86%)
Nov 28, 2011	17.06	17.06	16.58	16.72	10,236,154	+0.55(+3.40%)
Nov 25, 2011	16.35	16.61	16.17	16.17	6,856,588	-0.36(-2.20%)
Nov 23, 2011	17.23	17.24	16.52	16.54	14,425,048	-0.98(-5.60%)
Nov 22, 2011	17.88	17.94	17.40	17.52	9,820,778	-0.33(-1.87%)
Nov 21, 2011	17.93	17.95	17.32	17.85	9,812,834	-0.47(-2.58%)
Nov 18, 2011	18.81	18.89	18.26	18.32	8,941,434	-0.19(-1.03%)
Nov 17, 2011	19.14	19.45	18.34	18.51	14,304,490	-0.60(-3.16%)
Nov 16, 2011	18.85	19.64	18.81	19.12	14,280,938	+0.24(+1.27%)
Nov 15, 2011	18.90	19.07	18.74	18.88	11,209,703	-0.22(-1.13%)
Nov 14, 2011	18.94	19.15	18.82	19.09	7,891,461	+0.01(+0.03%)
Nov 11, 2011	18.81	19.16	18.73	19.09	7,382,028	+0.51(+2.77%)
Nov 10, 2011	18.79	18.94	18.06	18.57	12,664,085	+0.17(+0.91%)
Nov 09, 2011	18.82	19.11	18.39	18.41	15,324,610	-1.33(-6.75%)
Nov 08, 2011	19.85	19.88	19.46	19.74	10,715,652	+0.07(+0.36%)
Nov 07, 2011	19.45	19.88	19.36	19.67	10,629,749	+0.28(+1.45%)
Nov 04, 2011	19.35	19.46	19.02	19.39	9,143,112	-0.29(-1.46%)
Nov 03, 2011	19.19	19.72	18.98	19.67	15,973,550	+0.96(+5.14%)
Nov 02, 2011	18.63	18.81	18.35	18.71	14,606,550	+0.53(+2.93%)
Nov 01, 2011	17.72	18.46	17.45	18.18	17,641,734	-0.89(-4.67%)
Oct 31, 2011	19.53	19.58	19.05	19.07	11,512,036	-0.84(-4.20%)
Oct 28, 2011	19.45	19.91	19.40	19.91	12,125,380	+0.14(+0.73%)
Oct 27, 2011	19.47	19.96	19.42	19.76	19,232,346	+1.15(+6.20%)
Oct 26, 2011	18.52	18.76	18.15	18.61	11,963,967	+0.30(+1.63%)
Oct 25, 2011	18.89	18.92	18.26	18.31	14,601,774	-0.48(-2.54%)
Oct 24, 2011	18.07	18.85	18.02	18.79	12,529,699	+0.81(+4.52%)
Oct 21, 2011	17.99	18.13	17.75	17.98	10,788,475	+0.34(+1.93%)
Oct 20, 2011	17.52	17.89	17.16	17.63	11,804,291	+0.04(+0.20%)
Oct 19, 2011	18.06	18.18	17.51	17.60	14,185,357	-0.41(-2.29%)
Oct 18, 2011	17.28	18.17	17.02	18.01	14,813,052	+0.62(+3.57%)
Oct 17, 2011	18.02	18.04	17.30	17.39	9,749,993	-0.75(-4.12%)
Oct 14, 2011	17.56	18.15	17.56	18.14	11,916,094	+1.08(+6.34%)
Oct 13, 2011	17.21	17.24	16.81	17.06	10,730,750	-0.32(-1.82%)
Oct 12, 2011	17.10	17.63	16.94	17.37	13,162,331	+0.59(+3.53%)
Oct 11, 2011	16.60	16.91	16.45	16.78	10,386,112	-0.04(-0.25%)
Oct 10, 2011	16.73	17.02	16.54	16.82	6,161,047	+0.66(+4.07%)
Oct 07, 2011	16.77	16.88	16.09	16.16	18,316,204	-0.36(-2.17%)
Oct 06, 2011	16.21	16.54	16.16	16.52	16,250,882	+0.74(+4.66%)
Oct 05, 2011	14.59	15.93	14.40	15.79	21,392,562	+1.37(+9.54%)
Oct 04, 2011	13.95	14.44	13.48	14.41	24,897,142	+0.07(+0.50%)
Oct 03, 2011	14.73	15.20	14.27	14.34	18,695,484	-0.86(-5.66%)
Sep 30, 2011	15.54	15.76	15.17	15.20	15,179,585	-0.75(-4.72%)
Sep 29, 2011	16.06	16.19	15.50	15.96	17,386,308	+0.30(+1.95%)
Sep 28, 2011	16.58	16.70	15.59	15.65	15,565,984	-0.94(-5.66%)
Sep 27, 2011	16.67	17.12	16.51	16.59	16,892,392	+0.59(+3.70%)
Sep 26, 2011	15.40	16.03	14.95	16.00	13,906,562	+0.71(+4.61%)
Sep 23, 2011	14.99	15.42	14.90	15.29	11,709,995	+0.04(+0.27%)
Sep 22, 2011	15.73	15.73	14.95	15.25	28,640,168	-1.45(-8.69%)
Sep 21, 2011	17.34	17.47	16.68	16.70	14,057,389	-0.67(-3.85%)
Sep 20, 2011	17.75	18.07	17.36	17.37	11,683,890	-0.36(-2.06%)
Sep 19, 2011	17.71	17.88	17.36	17.74	11,168,634	-0.40(-2.21%)
Sep 16, 2011	18.27	18.35	17.95	18.14	9,536,007	-0.02(-0.13%)
Sep 15, 2011	18.09	18.19	17.80	18.16	8,729,008	+0.41(+2.32%)
Sep 14, 2011	17.38	18.04	17.14	17.75	11,363,627	+0.45(+2.59%)
Sep 13, 2011	17.35	17.43	17.06	17.30	16,298,808	+0.10(+0.56%)
Sep 12, 2011	17.41	17.56	16.80	17.20	15,877,673	-0.47(-2.67%)
Sep 09, 2011	17.97	18.15	17.56	17.68	9,924,249	-0.70(-3.81%)
Sep 08, 2011	18.32	18.70	18.24	18.38	10,456,110	-0.05(-0.29%)
Sep 07, 2011	18.02	18.44	17.91	18.43	9,485,387	+0.72(+4.05%)
Sep 06, 2011	17.63	17.72	17.34	17.71	15,311,584	-0.51(-2.79%)
Sep 02, 2011	18.48	18.56	18.12	18.22	8,059,619	-0.80(-4.21%)
Sep 01, 2011	19.13	19.36	18.96	19.02	9,882,816	-0.04(-0.22%)
Aug 31, 2011	19.15	19.39	18.75	19.06	12,311,994	+0.10(+0.50%)
Aug 30, 2011	18.64	19.06	18.45	18.97	9,426,248	+0.27(+1.47%)
Aug 29, 2011	18.61	18.70	18.30	18.69	5,924,358	+0.58(+3.20%)
Aug 26, 2011	17.74	18.24	17.53	18.11	9,421,090	+0.20(+1.13%)
Aug 25, 2011	18.60	18.70	17.84	17.91	11,357,702	-0.44(-2.41%)
Aug 24, 2011	18.22	18.53	18.05	18.35	11,396,272	+0.15(+0.82%)
Aug 23, 2011	17.61	18.23	17.38	18.20	17,233,118	+0.79(+4.53%)
Aug 22, 2011	18.20	18.20	17.33	17.41	19,965,330	-0.26(-1.49%)
Aug 19, 2011	17.80	18.45	17.59	17.68	15,755,495	-0.29(-1.60%)
Aug 18, 2011	18.76	18.76	17.77	17.96	15,400,262	-1.36(-7.02%)
Aug 17, 2011	19.75	19.91	19.29	19.32	12,662,227	-0.07(-0.37%)
Aug 16, 2011	19.57	19.60	19.25	19.39	11,351,575	-0.41(-2.05%)
Aug 15, 2011	19.58	19.86	19.48	19.80	9,436,681	+0.59(+3.05%)
Aug 12, 2011	19.89	19.96	19.09	19.21	14,560,675	-0.23(-1.20%)
Aug 11, 2011	18.79	19.59	18.42	19.45	19,116,438	+0.74(+3.96%)
Aug 10, 2011	19.02	19.32	18.31	18.70	25,703,376	-0.17(-0.92%)
Aug 09, 2011	18.37	18.90	17.66	18.88	25,338,450	+0.79(+4.40%)
Aug 08, 2011	18.37	18.94	17.97	18.08	28,977,746	-1.65(-8.36%)
Aug 05, 2011	20.37	20.45	18.84	19.73	26,615,444	-0.45(-2.22%)
Aug 04, 2011	21.11	21.16	20.09	20.18	21,856,968	-1.33(-6.19%)
Aug 03, 2011	21.99	22.00	21.14	21.51	22,509,040	-0.44(-1.99%)
Aug 02, 2011	22.79	22.83	21.93	21.95	13,355,631	-0.88(-3.87%)
Aug 01, 2011	22.84	23.72	22.60	22.83	8,638,593	-0.01(-0.03%)
Jul 29, 2011	23.00	23.14	22.68	22.84	10,828,682	-0.44(-1.90%)
Jul 28, 2011	23.75	23.84	23.19	23.28	12,393,634	-0.78(-3.25%)
Jul 27, 2011	24.52	24.66	23.82	24.06	9,411,783	-0.75(-3.01%)
Jul 26, 2011	25.03	25.03	24.60	24.81	7,649,936	-0.09(-0.36%)
Jul 25, 2011	24.52	25.00	24.43	24.90	7,909,759	+0.22(+0.90%)
Jul 22, 2011	24.76	24.87	24.60	24.68	7,787,879	-0.12(-0.48%)
Jul 21, 2011	24.32	24.97	24.25	24.80	10,537,305	+0.66(+2.72%)
Jul 20, 2011	24.37	24.48	24.13	24.14	9,420,036	+0.04(+0.15%)
Jul 19, 2011	23.81	24.31	23.75	24.11	9,552,427	+0.71(+3.04%)
Jul 18, 2011	23.58	23.71	23.19	23.40	6,558,439	-0.42(-1.76%)
Jul 15, 2011	23.74	23.89	23.65	23.81	7,106,615	+0.42(+1.79%)
Jul 14, 2011	24.03	24.07	23.32	23.40	9,677,597	-0.32(-1.34%)
Jul 13, 2011	23.61	24.23	23.52	23.71	10,895,902	+0.25(+1.07%)
Jul 12, 2011	23.44	23.81	23.34	23.46	9,895,925	-0.18(-0.76%)
Jul 11, 2011	24.05	24.23	23.46	23.64	8,770,261	-0.79(-3.25%)
Jul 08, 2011	24.12	24.57	23.97	24.44	11,052,973	+0.01(+0.02%)
Jul 07, 2011	24.44	24.62	24.29	24.43	9,152,498	+0.51(+2.12%)
Jul 06, 2011	24.03	24.08	23.74	23.92	7,343,702	-0.19(-0.79%)
Jul 05, 2011	24.13	24.44	23.95	24.11	14,099,569	+0.42(+1.79%)
Jul 01, 2011	23.31	23.77	22.95	23.69	7,245,427	+0.32(+1.38%)
Jun 30, 2011	23.33	23.50	23.20	23.37	11,771,690	+0.26(+1.11%)
Jun 29, 2011	23.18	23.31	22.76	23.11	13,492,674	+0.26(+1.15%)
Jun 28, 2011	22.59	23.07	22.55	22.85	11,860,166	+0.48(+2.14%)
Jun 27, 2011	22.26	22.45	22.07	22.37	8,843,708	-0.01(-0.03%)
Jun 24, 2011	22.63	22.65	22.35	22.37	8,064,046	-0.40(-1.76%)
Jun 23, 2011	22.49	22.82	22.08	22.77	11,669,814	-0.26(-1.12%)
Jun 22, 2011	22.91	23.43	22.89	23.03	8,279,488	+0.01(+0.05%)
Jun 21, 2011	22.77	23.25	22.67	23.02	9,282,004	+0.48(+2.12%)
Jun 20, 2011	22.46	22.63	22.41	22.54	9,906,546	-0.16(-0.71%)
Jun 17, 2011	22.88	23.16	22.56	22.70	10,349,188	-0.14(-0.60%)
Jun 16, 2011	22.71	23.13	22.55	22.84	10,467,678	+0.01(+0.05%)
Jun 15, 2011	23.34	23.56	22.59	22.83	13,616,218	-0.82(-3.46%)
Jun 14, 2011	23.38	23.90	23.32	23.65	8,582,355	+0.60(+2.59%)
Jun 13, 2011	23.14	23.42	22.65	23.05	9,253,797	-0.17(-0.75%)
Jun 10, 2011	23.68	23.69	23.07	23.22	10,822,559	-0.63(-2.66%)
Jun 09, 2011	23.95	24.10	23.77	23.86	9,783,227	+0.07(+0.30%)
Jun 08, 2011	23.59	24.20	23.58	23.78	9,681,568	+0.01(+0.05%)
Jun 07, 2011	23.80	24.05	23.58	23.77	7,540,576	+0.17(+0.71%)
Jun 06, 2011	24.02	24.27	23.46	23.60	9,088,442	-0.54(-2.25%)
Jun 03, 2011	23.54	24.46	23.34	24.15	9,161,111	-0.08(-0.32%)
May 24, 2011	24.11	24.52	23.88	24.23	10,527,437	+0.52(+2.19%)
May 23, 2011	23.49	23.77	23.16	23.71	9,031,003	-0.61(-2.51%)
May 20, 2011	24.20	24.66	24.03	24.32	10,988,396	-0.13(-0.51%)
May 19, 2011	24.52	24.64	24.09	24.44	7,763,573	+0.11(+0.44%)
May 18, 2011	23.93	24.48	23.78	24.33	10,245,239	+0.62(+2.62%)
May 17, 2011	23.54	23.78	23.17	23.71	14,098,369	+0.07(+0.30%)
May 16, 2011	23.71	24.35	23.56	23.64	11,029,716	-0.19(-0.78%)
May 13, 2011	24.20	24.30	23.63	23.83	11,839,362	-0.29(-1.19%)
May 12, 2011	24.15	24.41	23.72	24.11	16,613,886	-0.28(-1.15%)
May 11, 2011	25.22	25.22	24.17	24.39	12,661,683	-0.91(-3.59%)
May 10, 2011	25.37	25.64	25.09	25.30	10,406,609	+0.10(+0.38%)
May 09, 2011	25.14	25.36	24.76	25.21	9,803,728	+0.41(+1.64%)
May 06, 2011	24.86	25.48	24.49	24.80	14,454,137	+0.33(+1.34%)
May 05, 2011	25.45	25.59	24.37	24.47	28,940,904	-1.57(-6.01%)
May 04, 2011	26.22	26.33	25.31	26.04	16,062,084	-0.07(-0.28%)
May 03, 2011	27.34	27.34	25.76	26.11	20,292,936	-1.48(-5.37%)
May 02, 2011	27.57	27.63	27.41	27.59	13,574,194	+0.08(+0.28%)
Apr 29, 2011	26.85	27.52	26.74	27.51	10,528,218	+0.62(+2.31%)
Apr 28, 2011	26.63	27.04	26.60	26.89	7,202,708	+0.08(+0.31%)
Apr 27, 2011	27.06	27.08	26.25	26.81	9,836,250	-0.12(-0.44%)
Apr 26, 2011	26.75	26.99	26.58	26.93	5,731,054	+0.10(+0.38%)
Apr 25, 2011	27.26	27.37	26.72	26.83	6,740,471	-0.22(-0.80%)
Apr 21, 2011	26.86	27.12	26.66	27.04	6,936,514	+0.41(+1.53%)
Apr 20, 2011	26.44	26.77	26.40	26.63	8,268,760	+0.77(+2.98%)
Apr 19, 2011	25.61	26.00	25.54	25.86	8,090,665	+0.37(+1.45%)
Apr 18, 2011	25.62	25.67	25.06	25.49	9,681,300	-0.68(-2.58%)
Apr 15, 2011	26.11	26.44	25.95	26.17	7,296,487	-0.07(-0.25%)
Apr 14, 2011	25.79	26.28	25.55	26.23	9,029,426	+0.06(+0.23%)
Apr 13, 2011	26.46	26.62	25.95	26.17	8,554,625	+0.07(+0.27%)
Apr 12, 2011	26.70	26.72	25.73	26.10	16,044,393	-1.11(-4.06%)
Apr 11, 2011	27.76	27.84	26.99	27.21	11,769,508	-0.67(-2.40%)
Apr 08, 2011	27.32	27.99	27.27	27.88	13,536,561	+0.90(+3.32%)
Apr 07, 2011	26.51	27.02	26.17	26.98	12,868,177	+0.37(+1.39%)
Apr 06, 2011	27.09	27.21	26.38	26.61	11,143,197	-0.42(-1.57%)
Apr 05, 2011	27.16	27.44	26.92	27.03	9,481,841	-0.12(-0.44%)
Apr 04, 2011	27.19	27.27	27.09	27.15	7,176,138	+0.10(+0.35%)
Apr 01, 2011	27.06	27.39	26.96	27.06	7,472,432	+0.26(+0.98%)
Mar 31, 2011	27.02	27.19	26.76	26.80	6,881,014	+0.13(+0.47%)
Mar 30, 2011	26.72	27.06	26.49	26.67	9,049,914	+0.21(+0.79%)
Mar 29, 2011	26.40	26.64	26.22	26.46	7,801,422	-0.03(-0.11%)
Mar 28, 2011	26.74	26.96	26.48	26.49	7,183,063	-0.39(-1.44%)
Mar 25, 2011	26.80	27.24	26.77	26.88	8,775,622	+0.08(+0.29%)
Mar 24, 2011	26.95	27.05	26.64	26.80	8,558,917	-0.05(-0.20%)
Mar 23, 2011	27.19	27.29	26.71	26.86	12,390,847	-0.38(-1.40%)
Mar 22, 2011	27.13	27.30	26.91	27.24	10,211,441	+0.02(+0.07%)
Mar 21, 2011	26.83	27.26	26.83	27.22	13,699,518	+1.06(+4.04%)
Mar 18, 2011	26.81	26.97	25.95	26.16	16,044,773	-0.48(-1.79%)
Mar 17, 2011	26.05	26.80	25.73	26.64	15,323,676	+1.33(+5.27%)
Mar 16, 2011	25.42	26.27	24.99	25.31	17,961,062	-0.15(-0.59%)
Mar 15, 2011	25.45	25.68	25.41	25.46	18,082,674	-0.38(-1.46%)
Mar 14, 2011	25.57	25.91	25.20	25.83	10,702,843	-0.23(-0.87%)
Mar 11, 2011	24.86	26.22	24.67	26.06	14,485,188	+0.57(+2.23%)
Mar 10, 2011	25.96	26.04	25.24	25.49	19,365,556	-1.15(-4.33%)
Mar 09, 2011	27.19	27.24	26.46	26.65	11,749,839	-0.20(-0.73%)
Mar 08, 2011	27.99	27.99	26.82	26.84	16,398,227	-1.17(-4.16%)
Mar 07, 2011	28.79	29.00	27.87	28.01	14,876,025	-0.51(-1.80%)
Mar 04, 2011	28.22	28.53	28.04	28.52	13,459,821	+0.59(+2.12%)
Mar 03, 2011	28.11	28.21	27.78	27.93	16,938,434	-0.34(-1.20%)
Mar 02, 2011	28.29	28.42	28.00	28.27	15,091,271	+0.24(+0.87%)
Mar 01, 2011	28.17	28.34	28.02	28.03	16,087,925	-0.03(-0.11%)
Feb 28, 2011	27.64	28.15	27.49	28.06	11,552,483	+0.65(+2.38%)
Feb 25, 2011	26.81	27.44	26.77	27.41	14,122,312	+0.47(+1.73%)
Feb 24, 2011	28.31	28.40	26.64	26.94	32,548,456	-0.90(-3.24%)
Feb 23, 2011	27.41	28.46	27.31	27.84	32,904,040	+0.65(+2.37%)
Feb 22, 2011	27.68	28.04	26.92	27.20	23,975,516	+0.36(+1.36%)
Feb 18, 2011	27.08	27.27	26.72	26.83	12,782,839	-0.16(-0.60%)
Feb 17, 2011	26.42	27.00	26.14	26.99	15,120,581	+0.66(+2.50%)
Feb 16, 2011	25.41	26.58	25.39	26.34	19,479,294	+1.03(+4.06%)
Feb 15, 2011	25.19	25.39	24.97	25.31	10,510,039	+0.16(+0.64%)
Feb 14, 2011	24.51	25.19	24.39	25.15	12,110,878	+0.75(+3.09%)
Feb 11, 2011	24.71	25.14	24.37	24.39	16,416,890	-0.30(-1.21%)
Feb 10, 2011	24.17	24.75	24.09	24.69	9,125,841	+0.32(+1.32%)
Feb 09, 2011	24.23	24.62	24.12	24.37	8,763,565	+0.08(+0.32%)
Feb 08, 2011	24.18	24.39	23.91	24.29	15,032,933	-0.08(-0.34%)
Feb 07, 2011	24.75	24.76	24.29	24.38	13,143,756	-0.19(-0.78%)
Feb 04, 2011	25.15	25.40	24.55	24.57	11,926,868	-0.71(-2.81%)
Feb 03, 2011	25.58	25.68	25.00	25.28	12,002,254	+0.09(+0.36%)
Feb 02, 2011	25.61	25.93	25.07	25.19	16,261,110	+0.10(+0.38%)
Feb 01, 2011	24.99	25.19	24.63	25.09	17,077,710	+0.29(+1.16%)
Jan 31, 2011	24.12	24.90	24.00	24.81	22,639,876	+0.91(+3.80%)
Jan 28, 2011	23.25	24.39	23.17	23.90	32,472,404	+0.71(+3.04%)
Jan 27, 2011	23.29	23.43	22.99	23.19	11,917,311	-0.26(-1.12%)
Jan 26, 2011	22.71	23.49	22.61	23.46	14,090,661	+0.92(+4.08%)
Jan 25, 2011	22.73	22.73	22.24	22.54	11,586,838	-0.46(-2.00%)
Jan 24, 2011	22.86	23.17	22.60	23.00	8,674,532	+0.06(+0.26%)
Jan 21, 2011	22.76	23.02	22.74	22.94	9,105,436	+0.36(+1.59%)
Jan 20, 2011	22.42	22.61	22.12	22.58	10,609,828	-0.12(-0.53%)
Jan 19, 2011	23.42	23.47	22.68	22.70	10,706,994	-0.63(-2.69%)
Jan 18, 2011	23.14	23.49	23.11	23.32	6,597,693	+0.16(+0.67%)
Jan 14, 2011	23.05	23.23	22.84	23.17	6,999,394	+0.05(+0.21%)
Jan 13, 2011	22.88	23.20	22.64	23.12	12,537,447	+0.26(+1.15%)
Jan 12, 2011	22.90	23.00	22.77	22.86	8,872,902	+0.24(+1.06%)
Jan 11, 2011	22.31	22.65	22.26	22.62	8,337,839	+0.48(+2.19%)
Jan 10, 2011	22.24	22.31	21.84	22.13	7,532,828	-0.16(-0.70%)
Jan 07, 2011	22.52	22.52	21.93	22.29	9,988,583	+0.04(+0.19%)
Jan 06, 2011	22.92	22.98	22.15	22.25	9,721,853	-0.70(-3.05%)
Jan 05, 2011	22.71	23.07	22.48	22.95	7,706,853	+0.22(+0.97%)
Jan 04, 2011	23.52	23.72	22.46	22.73	10,683,152	-0.47(-2.04%)
Jan 03, 2011	23.19	23.72	22.98	23.20	9,056,318	+0.32(+1.38%)
Dec 31, 2010	22.75	23.00	22.67	22.88	3,783,935	+0.08(+0.34%)
Dec 30, 2010	22.70	22.89	22.61	22.80	5,295,763	+0.14(+0.63%)
Dec 29, 2010	22.70	22.86	22.53	22.66	5,626,211	+0.32(+1.42%)
Dec 28, 2010	22.31	22.43	22.15	22.34	3,860,485	+0.22(+1.00%)
Dec 27, 2010	22.67	22.71	21.96	22.12	6,562,748	-0.58(-2.55%)
Dec 23, 2010	22.51	22.84	22.42	22.70	7,586,239	+0.08(+0.37%)
Dec 22, 2010	22.17	22.67	22.08	22.62	10,680,228	+0.60(+2.71%)
Dec 21, 2010	21.70	22.04	21.57	22.02	6,192,624	+0.45(+2.08%)
Dec 20, 2010	21.58	21.72	21.41	21.57	7,264,340	+0.05(+0.25%)
Dec 17, 2010	21.72	21.78	21.30	21.52	12,250,998	-0.16(-0.72%)
Dec 16, 2010	21.90	21.91	21.51	21.67	9,270,312	-0.23(-1.04%)
Dec 15, 2010	21.64	22.03	21.55	21.90	9,042,444	+0.22(+0.99%)
Dec 14, 2010	21.70	22.01	21.55	21.69	6,484,633	-0.03(-0.14%)
Dec 13, 2010	21.74	21.93	21.64	21.72	6,756,084	+0.26(+1.23%)
Dec 10, 2010	21.44	21.58	21.33	21.45	5,688,819	+0.04(+0.20%)
Dec 09, 2010	21.55	21.64	21.26	21.41	6,517,909	+0.07(+0.31%)
Dec 08, 2010	21.64	21.86	21.27	21.35	8,157,581	-0.30(-1.38%)
Dec 07, 2010	21.76	22.11	21.60	21.64	13,421,366	+0.30(+1.40%)
Dec 06, 2010	21.49	21.55	21.29	21.35	8,047,584	-0.22(-1.03%)
Dec 03, 2010	21.13	21.63	21.09	21.57	12,396,890	+0.35(+1.63%)
Dec 02, 2010	20.95	21.40	20.93	21.22	12,191,609	+0.43(+2.07%)

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