Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2012	18.90	18.98	18.65	18.81	213,141	+0.02(+0.09%)
Aug 30, 2012	18.80	18.96	18.71	18.79	310,789	-0.08(-0.41%)
Aug 29, 2012	18.87	18.97	18.70	18.87	131,402	+0.09(+0.46%)
Aug 27, 2012	18.92	18.92	18.74	18.79	123,082	-0.11(-0.56%)
Aug 24, 2012	18.60	18.94	18.54	18.89	239,615	+0.24(+1.27%)
Aug 23, 2012	18.80	18.80	18.61	18.66	106,725	-0.11(-0.60%)
Aug 22, 2012	18.91	19.02	18.76	18.77	92,552	-0.24(-1.27%)
Aug 21, 2012	18.94	19.18	18.90	19.01	144,523	+0.05(+0.26%)
Aug 20, 2012	18.95	19.02	18.87	18.96	123,001	-0.07(-0.34%)
Aug 17, 2012	18.70	19.07	18.70	19.02	177,945	+0.25(+1.35%)
Aug 16, 2012	18.54	18.78	18.47	18.77	186,160	+0.16(+0.87%)
Aug 15, 2012	18.27	18.69	18.27	18.61	189,698	+0.27(+1.45%)
Aug 14, 2012	18.87	18.88	18.30	18.34	632,670	-0.38(-2.02%)
Aug 13, 2012	18.84	18.91	18.63	18.72	195,422	-0.19(-0.98%)
Aug 10, 2012	18.77	18.94	18.75	18.91	166,544	+0.13(+0.71%)
Aug 09, 2012	18.78	18.95	18.76	18.77	169,258	-0.04(-0.20%)
Aug 08, 2012	18.89	18.99	18.73	18.81	217,533	-0.15(-0.79%)
Aug 07, 2012	18.79	19.06	18.76	18.96	289,162	+0.24(+1.28%)
Aug 06, 2012	18.93	19.01	18.70	18.72	358,676	-0.16(-0.86%)
Aug 03, 2012	18.68	18.92	18.68	18.89	459,992	+0.35(+1.90%)
Aug 02, 2012	18.62	18.79	18.37	18.53	552,324	-0.15(-0.81%)
Aug 01, 2012	19.03	19.07	18.67	18.68	483,695	-0.34(-1.80%)
Jul 31, 2012	18.98	19.08	18.98	19.03	302,804	+0.03(+0.14%)
Jul 30, 2012	19.05	19.05	18.87	19.00	156,920	-0.09(-0.45%)
Jul 27, 2012	18.95	19.22	18.78	19.09	197,023	+0.19(+1.02%)
Jul 26, 2012	19.12	19.20	18.84	18.89	163,006	-0.03(-0.17%)
Jul 25, 2012	19.01	19.43	18.89	18.93	556,244	+0.05(+0.28%)
Jul 24, 2012	18.75	18.91	18.43	18.87	414,750	+0.12(+0.63%)
Jul 23, 2012	18.42	18.85	18.33	18.76	523,801	+0.14(+0.73%)
Jul 20, 2012	19.62	19.62	18.61	18.62	745,929	-1.18(-5.94%)
Jul 19, 2012	20.78	20.97	19.77	19.80	827,761	-1.00(-4.82%)
Jul 18, 2012	20.50	20.87	20.50	20.80	242,580	+0.24(+1.15%)
Jul 17, 2012	20.59	20.63	20.32	20.56	244,916	-0.03(-0.16%)
Jul 16, 2012	20.68	20.73	20.52	20.59	84,346	-0.11(-0.51%)
Jul 13, 2012	20.51	20.70	20.41	20.70	151,791	+0.21(+1.01%)
Jul 12, 2012	20.39	20.55	20.32	20.49	142,367	-0.02(-0.09%)
Jul 11, 2012	20.53	20.57	20.41	20.51	171,425	-0.02(-0.10%)
Jul 10, 2012	20.49	20.61	20.40	20.53	124,524	+0.07(+0.36%)
Jul 09, 2012	20.43	20.49	20.36	20.46	185,717	-0.04(-0.17%)
Jul 06, 2012	20.29	20.51	20.29	20.49	126,460	+0.02(+0.12%)
Jul 05, 2012	20.76	20.82	20.46	20.47	176,448	-0.30(-1.44%)
Jul 03, 2012	20.55	20.77	20.51	20.77	89,840	+0.12(+0.60%)
Jul 02, 2012	20.22	20.64	20.17	20.64	217,879	+0.50(+2.46%)
Jun 29, 2012	20.18	20.25	20.02	20.15	271,496	+0.24(+1.22%)
Jun 28, 2012	19.68	19.90	19.52	19.90	209,358	+0.18(+0.90%)
Jun 27, 2012	19.63	19.77	19.53	19.73	155,115	+0.19(+0.95%)
Jun 26, 2012	19.50	19.62	19.34	19.54	190,676	+0.10(+0.53%)
Jun 25, 2012	19.56	19.64	19.33	19.44	241,226	-0.33(-1.67%)
Jun 22, 2012	19.85	20.01	19.72	19.77	1,512,179	-0.04(-0.19%)
Jun 21, 2012	20.06	20.17	19.75	19.81	985,855	-0.24(-1.21%)
Jun 20, 2012	20.18	20.18	19.90	20.05	243,419	-0.06(-0.29%)
Jun 19, 2012	20.02	20.27	19.84	20.11	316,270	+0.15(+0.75%)
Jun 18, 2012	19.96	20.05	19.88	19.96	241,832	-0.10(-0.50%)
Jun 15, 2012	20.12	20.19	19.98	20.06	354,867	-0.04(-0.21%)
Jun 14, 2012	19.90	20.19	19.87	20.10	227,834	+0.19(+0.96%)
Jun 13, 2012	20.15	20.29	19.83	19.91	264,769	-0.25(-1.22%)
Jun 12, 2012	20.20	20.37	19.94	20.15	270,775	+0.01(+0.07%)
Jun 11, 2012	20.34	20.53	20.11	20.14	332,079	+0.00(+0.01%)
Jun 08, 2012	20.06	20.29	19.89	20.14	153,866	+0.03(+0.13%)
Jun 07, 2012	20.34	20.37	20.10	20.11	199,823	-0.01(-0.03%)
Jun 06, 2012	19.70	20.13	19.63	20.11	162,278	+0.48(+2.42%)
Jun 05, 2012	19.36	19.65	19.36	19.64	215,042	+0.04(+0.18%)
Jun 04, 2012	19.50	19.95	19.50	19.60	232,130	+0.22(+1.13%)
Jun 01, 2012	19.41	19.63	19.29	19.38	213,170	-0.30(-1.53%)
May 31, 2012	19.66	19.85	19.56	19.69	155,999	+0.04(+0.23%)
May 30, 2012	19.80	19.82	19.64	19.64	176,469	-0.25(-1.26%)
May 29, 2012	20.18	20.18	19.82	19.89	156,591	-0.13(-0.65%)
May 25, 2012	20.16	20.16	20.00	20.02	147,876	-0.07(-0.35%)
May 24, 2012	20.13	20.17	19.91	20.09	183,784	+0.05(+0.23%)
May 23, 2012	19.79	20.10	19.79	20.05	334,817	+0.14(+0.72%)
May 22, 2012	19.82	19.98	19.80	19.90	230,345	+0.06(+0.31%)
May 21, 2012	19.86	20.09	19.72	19.84	398,475	+0.08(+0.42%)
May 18, 2012	19.99	20.05	19.71	19.76	290,000	-0.26(-1.31%)
May 17, 2012	20.24	20.24	19.99	20.02	305,224	-0.18(-0.89%)
May 16, 2012	20.36	20.39	20.14	20.20	188,124	-0.07(-0.36%)
May 15, 2012	20.08	20.37	20.01	20.27	134,822	+0.15(+0.74%)
May 14, 2012	20.35	20.45	20.10	20.12	256,860	-0.34(-1.68%)
May 11, 2012	20.01	20.50	19.97	20.47	302,547	+0.03(+0.13%)
May 10, 2012	20.11	20.54	20.11	20.44	348,880	+0.41(+2.06%)
May 09, 2012	20.09	20.23	19.98	20.03	419,715	-0.23(-1.13%)
May 08, 2012	20.07	20.38	20.07	20.26	679,718	+0.12(+0.60%)
May 07, 2012	19.97	20.16	19.95	20.14	160,279	+0.11(+0.53%)
May 04, 2012	20.16	20.18	20.01	20.03	225,420	-0.17(-0.83%)
May 03, 2012	20.27	20.35	20.15	20.20	253,918	-0.09(-0.43%)
May 02, 2012	20.13	20.31	20.05	20.29	262,271	+0.06(+0.32%)
May 01, 2012	20.32	20.42	20.21	20.22	345,319	-0.03(-0.15%)
Apr 30, 2012	20.39	20.41	20.19	20.25	254,932	-0.10(-0.51%)
Apr 27, 2012	20.43	20.46	20.13	20.36	604,203	+0.02(+0.09%)
Apr 26, 2012	20.27	20.41	20.13	20.34	297,500	+0.06(+0.30%)
Apr 25, 2012	20.27	20.36	20.22	20.28	370,467	+0.17(+0.86%)
Apr 24, 2012	20.00	20.18	20.00	20.10	515,476	+0.06(+0.29%)
Apr 23, 2012	19.85	20.13	19.76	20.04	1,001,461	+0.06(+0.32%)
Apr 20, 2012	20.22	20.24	19.91	19.98	1,235,259	-0.05(-0.25%)
Apr 19, 2012	20.42	20.43	19.83	20.03	927,151	-0.54(-2.63%)
Apr 18, 2012	20.55	20.65	20.46	20.57	708,909	-0.15(-0.71%)
Apr 17, 2012	20.72	20.91	20.66	20.72	526,611	+0.06(+0.31%)
Apr 16, 2012	20.58	20.72	20.53	20.65	439,393	+0.20(+0.98%)
Apr 13, 2012	20.60	20.70	20.45	20.45	285,844	-0.25(-1.19%)
Apr 12, 2012	20.63	20.78	20.57	20.70	541,089	+0.15(+0.72%)
Apr 11, 2012	20.48	20.57	20.47	20.55	350,128	+0.10(+0.50%)
Apr 10, 2012	20.73	20.73	20.35	20.45	460,103	-0.29(-1.38%)
Apr 09, 2012	20.80	20.85	20.72	20.73	258,227	-0.33(-1.56%)
Apr 05, 2012	21.06	21.15	20.91	21.06	280,022	-0.01(-0.07%)
Apr 04, 2012	21.09	21.18	20.95	21.08	321,923	-0.18(-0.84%)
Apr 03, 2012	21.26	21.29	21.16	21.26	219,006	-0.01(-0.07%)
Apr 02, 2012	21.10	21.28	21.06	21.27	296,466	+0.21(+0.99%)
Mar 30, 2012	21.41	21.41	21.05	21.06	210,010	-0.19(-0.90%)
Mar 29, 2012	21.26	21.30	21.00	21.25	244,790	-0.11(-0.52%)
Mar 28, 2012	21.16	21.43	21.16	21.37	325,076	+0.15(+0.71%)
Mar 27, 2012	21.31	21.31	21.16	21.22	200,494	-0.06(-0.28%)
Mar 26, 2012	21.01	21.28	20.88	21.28	234,532	+0.45(+2.17%)
Mar 23, 2012	20.60	20.83	20.46	20.82	140,526	+0.24(+1.14%)
Mar 22, 2012	20.62	20.68	20.50	20.59	143,321	-0.16(-0.77%)
Mar 21, 2012	20.85	20.90	20.71	20.75	204,252	-0.02(-0.10%)
Mar 20, 2012	20.73	20.88	20.64	20.77	157,684	-0.03(-0.16%)
Mar 19, 2012	20.54	20.88	20.52	20.80	167,500	+0.27(+1.32%)
Mar 16, 2012	20.82	20.82	20.52	20.53	486,726	-0.29(-1.40%)
Mar 15, 2012	21.00	21.00	20.71	20.82	237,522	-0.11(-0.51%)
Mar 14, 2012	21.19	21.20	20.91	20.93	190,433	-0.25(-1.17%)
Mar 13, 2012	21.16	21.17	20.98	21.17	524,723	+0.17(+0.83%)
Mar 12, 2012	20.90	21.03	20.79	21.00	384,435	+0.17(+0.82%)
Mar 09, 2012	20.44	21.07	20.41	20.83	458,691	+0.44(+2.18%)
Mar 08, 2012	20.43	20.43	20.19	20.38	224,152	+0.06(+0.27%)
Mar 07, 2012	20.41	20.41	20.24	20.33	291,786	+0.03(+0.14%)
Mar 06, 2012	20.37	20.54	20.30	20.30	279,253	-0.18(-0.88%)
Mar 05, 2012	20.28	20.51	20.23	20.48	298,500	+0.18(+0.88%)
Mar 02, 2012	20.52	20.57	20.23	20.30	634,300	-0.19(-0.95%)
Mar 01, 2012	20.72	20.74	20.49	20.49	462,109	-0.11(-0.51%)
Feb 29, 2012	20.79	20.95	20.60	20.60	273,335	-0.12(-0.60%)
Feb 28, 2012	20.95	20.99	20.71	20.72	293,442	-0.23(-1.08%)
Feb 27, 2012	20.82	21.03	20.52	20.95	227,992	+0.01(+0.04%)
Feb 24, 2012	20.88	20.98	20.82	20.94	254,691	+0.12(+0.59%)
Feb 23, 2012	20.76	20.83	20.62	20.82	366,351	+0.11(+0.52%)
Feb 22, 2012	20.96	21.00	20.71	20.71	170,111	-0.24(-1.15%)
Feb 21, 2012	21.03	21.05	20.82	20.95	239,970	-0.08(-0.38%)
Feb 17, 2012	21.03	21.24	20.99	21.03	216,964	+0.08(+0.41%)
Feb 16, 2012	20.72	20.95	20.67	20.94	250,121	+0.27(+1.29%)
Feb 15, 2012	20.98	20.98	20.50	20.68	337,081	-0.17(-0.80%)
Feb 14, 2012	21.19	21.19	20.72	20.84	218,252	-0.37(-1.73%)
Feb 13, 2012	21.22	21.27	21.04	21.21	165,989	+0.18(+0.85%)
Feb 10, 2012	21.14	21.15	20.99	21.03	119,437	-0.22(-1.05%)
Feb 09, 2012	21.24	21.34	21.08	21.25	186,355	+0.11(+0.50%)
Feb 08, 2012	21.42	21.43	21.11	21.15	224,912	-0.20(-0.92%)
Feb 07, 2012	21.27	21.45	21.18	21.34	214,027	+0.07(+0.33%)
Feb 06, 2012	21.31	21.44	21.20	21.27	183,903	-0.06(-0.30%)
Feb 03, 2012	21.46	21.46	21.30	21.34	548,055	+0.09(+0.43%)
Feb 02, 2012	21.32	21.34	21.19	21.25	249,882	-0.01(-0.06%)
Feb 01, 2012	20.89	21.30	20.89	21.26	513,627	+0.38(+1.81%)
Jan 31, 2012	21.14	21.17	20.83	20.88	437,832	-0.15(-0.71%)
Jan 30, 2012	20.68	21.11	20.68	21.03	360,439	+0.24(+1.17%)
Jan 27, 2012	21.16	21.20	20.65	20.79	539,639	-0.37(-1.74%)
Jan 26, 2012	21.83	21.83	21.10	21.16	483,865	-0.44(-2.05%)
Jan 25, 2012	21.70	21.83	21.46	21.60	338,167	-0.06(-0.26%)
Jan 24, 2012	21.62	21.75	21.41	21.65	276,707	-0.02(-0.08%)
Jan 23, 2012	21.82	21.83	21.55	21.67	187,417	-0.12(-0.56%)
Jan 20, 2012	21.44	21.82	21.41	21.80	202,168	+0.34(+1.60%)
Jan 19, 2012	21.48	21.48	21.23	21.45	769,743	+0.11(+0.51%)
Jan 18, 2012	21.56	21.58	21.23	21.34	355,630	-0.32(-1.47%)
Jan 17, 2012	21.76	21.78	21.55	21.66	522,039	+0.10(+0.48%)
Jan 13, 2012	21.46	21.61	21.38	21.56	194,439	-0.11(-0.49%)
Jan 12, 2012	21.77	21.77	21.57	21.67	189,463	+0.01(+0.07%)
Jan 11, 2012	21.65	21.74	21.57	21.65	250,141	-0.00(-0.01%)
Jan 10, 2012	21.97	21.97	21.62	21.65	336,251	-0.08(-0.39%)
Jan 09, 2012	21.67	21.80	21.51	21.74	435,100	+0.18(+0.83%)
Jan 06, 2012	21.60	21.74	21.41	21.56	308,764	+0.02(+0.08%)
Jan 05, 2012	21.11	21.58	20.92	21.54	369,128	+0.36(+1.70%)
Jan 04, 2012	21.44	21.49	21.02	21.18	566,908	-0.15(-0.70%)
Dec 30, 2011	21.62	21.67	21.33	21.33	229,420	-0.29(-1.34%)
Dec 29, 2011	21.53	21.68	21.53	21.62	165,132	+0.16(+0.74%)
Dec 28, 2011	21.73	21.74	21.42	21.46	245,350	-0.25(-1.15%)
Dec 27, 2011	21.48	21.80	21.48	21.71	259,746	+0.15(+0.68%)
Dec 23, 2011	21.64	21.68	21.53	21.57	163,964	+0.02(+0.11%)
Dec 21, 2011	21.52	21.63	21.37	21.54	634,680	+0.01(+0.07%)
Dec 20, 2011	20.89	21.58	20.80	21.53	784,374	+1.04(+5.06%)
Dec 19, 2011	20.76	20.97	20.49	20.49	429,290	-0.21(-1.03%)
Dec 16, 2011	21.25	21.33	20.66	20.71	1,322,897	-0.47(-2.20%)
Dec 15, 2011	21.01	21.23	20.86	21.17	360,289	+0.41(+1.96%)
Dec 14, 2011	20.69	20.98	20.56	20.76	414,338	-0.03(-0.14%)
Dec 13, 2011	20.97	21.12	20.71	20.79	509,150	-0.03(-0.14%)
Dec 12, 2011	20.43	20.86	20.35	20.82	521,578	+0.19(+0.94%)
Dec 09, 2011	20.35	20.71	20.24	20.63	333,225	+0.34(+1.67%)
Dec 08, 2011	20.24	20.54	20.23	20.29	362,314	-0.04(-0.22%)
Dec 07, 2011	20.23	20.42	20.03	20.33	364,910	-0.03(-0.13%)
Dec 06, 2011	20.15	20.46	20.13	20.36	256,036	+0.22(+1.10%)
Dec 05, 2011	20.30	20.38	20.05	20.14	325,807	+0.06(+0.32%)
Dec 02, 2011	20.19	20.34	20.03	20.07	321,363	+0.08(+0.41%)
Dec 01, 2011	20.67	20.69	19.98	19.99	433,570	-0.76(-3.65%)
Nov 30, 2011	20.62	20.77	20.33	20.75	703,275	+0.80(+4.01%)
Nov 29, 2011	19.92	20.06	19.72	19.95	267,898	+0.08(+0.41%)
Nov 28, 2011	20.07	20.20	19.70	19.87	467,246	-1.20(-5.68%)
Nov 25, 2011	20.98	21.27	20.98	21.07	235,353	+0.13(+0.63%)
Nov 23, 2011	20.81	21.04	20.78	20.93	873,242	+0.01(+0.07%)
Nov 22, 2011	20.47	21.01	20.47	20.92	587,754	+0.44(+2.16%)
Nov 21, 2011	20.73	20.92	20.47	20.48	448,191	-0.50(-2.36%)
Nov 18, 2011	20.97	21.14	20.86	20.97	783,396	+0.39(+1.91%)
Nov 17, 2011	20.73	20.85	20.48	20.58	238,429	-0.16(-0.79%)
Nov 16, 2011	20.86	21.06	20.59	20.74	332,464	-0.24(-1.14%)
Nov 15, 2011	20.67	21.10	20.61	20.98	216,126	+0.24(+1.14%)
Nov 14, 2011	20.72	20.97	20.62	20.75	245,035	-0.05(-0.22%)
Nov 11, 2011	20.60	20.87	20.59	20.79	212,611	+0.37(+1.83%)
Nov 10, 2011	20.56	20.60	20.25	20.42	160,161	+0.07(+0.33%)
Nov 09, 2011	20.51	20.82	20.35	20.35	355,227	-0.53(-2.53%)
Nov 08, 2011	20.83	20.93	20.72	20.88	280,199	+0.16(+0.77%)
Nov 07, 2011	20.54	20.75	20.28	20.72	140,876	+0.10(+0.47%)
Nov 04, 2011	20.64	20.75	20.47	20.62	160,244	-0.17(-0.83%)
Nov 03, 2011	20.45	20.89	20.23	20.80	306,896	+0.50(+2.47%)
Nov 02, 2011	19.94	20.43	19.94	20.29	400,851	+0.59(+2.97%)
Nov 01, 2011	19.96	20.32	19.66	19.71	410,965	-0.80(-3.91%)
Oct 31, 2011	20.44	20.80	20.30	20.51	265,445	-0.19(-0.90%)
Oct 28, 2011	20.70	20.84	20.59	20.70	345,147	-0.13(-0.62%)
Oct 27, 2011	20.82	20.95	20.40	20.82	751,829	+0.62(+3.06%)
Oct 26, 2011	20.40	20.44	20.08	20.21	453,493	+0.14(+0.71%)
Oct 25, 2011	20.47	20.47	20.03	20.06	330,070	-0.52(-2.54%)
Oct 24, 2011	20.50	20.61	20.43	20.59	558,280	+0.08(+0.41%)
Oct 21, 2011	20.61	20.70	20.30	20.50	688,706	+0.16(+0.80%)
Oct 20, 2011	20.14	20.35	19.98	20.34	383,466	+0.18(+0.91%)
Oct 19, 2011	20.77	20.77	20.05	20.15	772,218	-0.31(-1.50%)
Oct 18, 2011	19.93	20.62	19.87	20.46	368,537	+0.70(+3.53%)
Oct 17, 2011	20.11	20.26	19.71	19.76	370,420	-0.54(-2.64%)
Oct 14, 2011	20.21	20.33	19.97	20.30	409,000	+0.33(+1.65%)
Oct 13, 2011	19.89	20.11	19.77	19.97	191,810	-0.04(-0.20%)
Oct 12, 2011	19.85	20.20	19.67	20.01	354,503	+0.30(+1.52%)
Oct 11, 2011	19.61	19.90	19.60	19.71	329,754	-0.08(-0.41%)
Oct 10, 2011	19.72	19.84	19.47	19.79	520,560	+0.32(+1.65%)
Oct 07, 2011	19.76	19.91	19.40	19.47	621,375	-0.25(-1.27%)
Oct 06, 2011	19.46	19.74	19.42	19.72	643,246	+0.33(+1.71%)
Oct 05, 2011	18.97	19.43	18.74	19.39	539,698	+0.40(+2.09%)
Oct 04, 2011	17.79	19.05	17.79	18.99	549,544	+1.06(+5.92%)
Oct 03, 2011	18.73	18.84	17.93	17.93	431,797	-0.61(-3.27%)
Sep 30, 2011	18.07	18.84	18.07	18.54	492,135	+0.19(+1.05%)
Sep 29, 2011	18.07	18.35	17.84	18.35	269,331	+0.57(+3.23%)
Sep 28, 2011	18.29	18.33	17.77	17.77	218,740	-0.48(-2.65%)
Sep 27, 2011	18.30	18.50	18.14	18.26	285,392	+0.26(+1.46%)
Sep 26, 2011	17.86	18.03	17.58	17.99	193,168	+0.23(+1.28%)
Sep 23, 2011	17.66	17.83	17.59	17.77	209,956	+0.06(+0.31%)
Sep 22, 2011	17.53	17.96	17.49	17.71	460,260	-0.29(-1.62%)
Sep 21, 2011	18.47	18.75	17.98	18.00	397,432	-0.48(-2.59%)
Sep 20, 2011	18.31	18.76	18.24	18.48	496,326	+0.25(+1.34%)
Sep 19, 2011	18.36	18.47	18.16	18.23	239,897	-0.39(-2.08%)
Sep 16, 2011	18.77	18.80	18.55	18.62	333,565	-0.04(-0.19%)
Sep 15, 2011	18.70	18.70	18.41	18.66	176,562	+0.10(+0.57%)
Sep 14, 2011	18.43	18.73	18.26	18.55	474,404	+0.23(+1.24%)
Sep 13, 2011	18.01	18.46	17.94	18.33	384,176	+0.41(+2.26%)
Sep 12, 2011	17.76	18.00	17.61	17.92	228,892	+0.03(+0.20%)
Sep 09, 2011	18.10	18.27	17.80	17.89	334,611	-0.55(-3.00%)
Sep 08, 2011	18.55	18.72	18.34	18.44	323,218	-0.17(-0.92%)
Sep 07, 2011	18.02	18.63	17.88	18.61	635,070	+0.90(+5.09%)
Sep 06, 2011	17.41	17.88	17.24	17.71	379,104	+0.04(+0.25%)
Sep 02, 2011	17.89	18.20	17.65	17.67	311,666	-0.64(-3.47%)

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