Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	20.52	20.52	20.28	20.28	3,718	-0.20(-0.98%)
Jul 30, 2012	20.45	20.50	20.40	20.48	68,128	+0.02(+0.10%)
Jul 27, 2012	20.31	20.49	20.31	20.46	17,375	+0.26(+1.29%)
Jul 26, 2012	20.03	20.20	20.03	20.20	7,349	+0.26(+1.30%)
Jul 25, 2012	20.00	20.00	19.91	19.94	16,942	+0.10(+0.50%)
Jul 24, 2012	20.01	20.01	19.84	19.84	9,237	-0.16(-0.80%)
Jul 23, 2012	20.00	20.00	19.86	20.00	4,595	-0.17(-0.84%)
Jul 20, 2012	20.19	20.19	20.14	20.17	4,374	-0.06(-0.30%)
Jul 19, 2012	20.15	20.24	20.13	20.23	13,408	+0.21(+1.05%)
Jul 18, 2012	19.96	20.09	19.96	20.02	5,970	+0.02(+0.10%)
Jul 17, 2012	19.99	20.00	19.87	20.00	12,329	+0.02(+0.10%)
Jul 16, 2012	19.96	20.00	19.88	19.98	13,023	+0.02(+0.10%)
Jul 13, 2012	19.87	19.96	19.87	19.96	14,038	+0.15(+0.76%)
Jul 12, 2012	19.92	19.92	19.72	19.81	11,023	-0.14(-0.70%)
Jul 11, 2012	19.96	20.01	19.93	19.95	6,726	+0.05(+0.25%)
Jul 10, 2012	20.19	20.19	19.90	19.90	6,615	-0.22(-1.09%)
Jul 09, 2012	20.18	20.18	20.08	20.12	2,536	-0.07(-0.35%)
Jul 06, 2012	20.30	20.30	20.17	20.19	9,507	-0.30(-1.46%)
Jul 05, 2012	20.46	20.52	20.40	20.49	14,231	-0.01(-0.05%)
Jul 04, 2012	20.33	20.50	20.33	20.50	14,369	+0.12(+0.59%)
Jul 03, 2012	20.17	20.38	20.17	20.38	17,723	+0.38(+1.90%)
Jun 29, 2012		20.00	20.00	20.00	0	+0.45(+2.30%)
Jun 28, 2012	19.58	19.65	19.49	19.55	16,041	-0.04(-0.20%)
Jun 27, 2012	19.41	19.59	19.41	19.59	15,018	+0.21(+1.08%)
Jun 26, 2012	19.34	19.38	19.27	19.38	5,969	+0.03(+0.16%)
Jun 25, 2012	19.56	19.56	19.29	19.35	19,077	-0.26(-1.33%)
Jun 22, 2012	19.75	19.77	19.56	19.61	13,247	-0.22(-1.11%)
Jun 21, 2012	20.31	20.31	19.83	19.83	8,478	-0.59(-2.89%)
Jun 20, 2012	20.41	20.45	20.31	20.42	41,986	+0.03(+0.15%)
Jun 19, 2012	20.23	20.44	20.23	20.39	4,771	+0.16(+0.79%)
Jun 18, 2012	19.97	20.23	19.93	20.23	68,651	+0.22(+1.10%)
Jun 15, 2012	19.96	20.06	19.96	20.01	114,470	+0.03(+0.15%)
Jun 14, 2012	20.04	20.10	19.98	19.98	15,235	-0.14(-0.70%)
Jun 13, 2012	20.08	20.27	20.08	20.12	27,071	+0.00(+0.00%)
Jun 12, 2012	20.09	20.15	20.04	20.12	8,346	+0.06(+0.30%)
Jun 11, 2012	20.37	20.37	20.03	20.06	16,138	-0.24(-1.18%)
Jun 08, 2012	20.32	20.34	20.22	20.30	13,266	-0.08(-0.39%)
Jun 07, 2012	20.68	20.69	20.38	20.38	6,672	-0.20(-0.97%)
Jun 06, 2012	20.45	20.69	20.45	20.58	20,884	+0.29(+1.43%)
Jun 05, 2012	19.87	20.29	19.87	20.29	37,862	+0.41(+2.06%)
Jun 04, 2012	19.88	19.97	19.72	19.88	35,266	-0.04(-0.20%)
Jun 02, 2012	19.96	19.98	19.92	19.92	19,407	+0.00(+0.00%)
Jun 01, 2012	19.96	19.98	19.92	19.92	19,407	-0.18(-0.90%)
May 31, 2012	20.14	20.14	19.91	20.10	11,855	+0.03(+0.15%)
May 30, 2012	20.29	20.29	20.07	20.07	5,889	-0.36(-1.76%)
May 29, 2012	20.47	20.52	20.37	20.43	10,619	+0.07(+0.34%)
May 28, 2012	20.47	20.47	20.32	20.36	34,910	+0.04(+0.20%)
May 25, 2012	20.26	20.33	20.22	20.32	32,784	+0.03(+0.15%)
May 24, 2012	20.36	20.37	20.20	20.29	19,931	+0.06(+0.30%)
May 23, 2012	19.86	20.23	19.80	20.23	5,522	+0.11(+0.55%)
May 22, 2012	20.14	20.24	20.11	20.12	27,548	+0.22(+1.11%)
May 18, 2012		19.90	19.90	19.90	0	+0.00(+0.00%)
May 17, 2012	19.93	19.96	19.85	19.90	25,742	+0.10(+0.51%)
May 16, 2012	19.95	20.11	19.78	19.80	52,126	-0.16(-0.80%)
May 15, 2012	20.30	20.30	19.91	19.96	13,692	-0.33(-1.63%)
May 14, 2012	20.49	20.49	20.29	20.29	17,036	-0.38(-1.84%)
May 11, 2012	20.69	20.82	20.67	20.67	86,202	-0.14(-0.67%)
May 10, 2012	20.83	20.94	20.81	20.81	88,322	+0.09(+0.43%)
May 09, 2012	20.50	20.80	20.50	20.72	26,589	+0.09(+0.44%)
May 08, 2012	20.79	20.79	20.54	20.63	371,513	-0.27(-1.29%)
May 07, 2012	20.93	20.95	20.85	20.90	10,917	-0.14(-0.67%)
May 04, 2012	21.13	21.14	20.97	21.04	18,142	-0.21(-0.99%)
May 03, 2012	21.54	21.54	21.24	21.25	12,628	-0.26(-1.21%)
May 02, 2012	21.58	21.61	21.51	21.51	13,224	-0.14(-0.65%)
May 01, 2012	21.60	21.73	21.56	21.65	16,657	+0.13(+0.60%)
Apr 30, 2012	21.44	21.52	21.40	21.52	19,710	+0.02(+0.09%)
Apr 27, 2012	21.47	21.52	21.40	21.50	72,025	+0.11(+0.51%)
Apr 26, 2012	21.16	21.43	21.16	21.39	70,847	+0.29(+1.37%)
Apr 25, 2012	20.95	21.10	20.89	21.10	15,627	+0.28(+1.34%)
Apr 24, 2012	20.93	20.94	20.82	20.82	16,187	-0.06(-0.29%)
Apr 23, 2012	21.00	21.00	20.84	20.88	15,176	-0.29(-1.37%)
Apr 20, 2012	21.15	21.19	21.14	21.17	9,686	+0.10(+0.47%)
Apr 19, 2012	21.10	21.20	21.07	21.07	30,242	+0.02(+0.10%)
Apr 18, 2012	21.08	21.13	20.98	21.05	7,229	-0.01(-0.05%)
Apr 17, 2012	21.00	21.13	20.99	21.06	9,005	+0.08(+0.38%)
Apr 16, 2012	21.12	21.21	20.94	20.98	291,740	-0.16(-0.76%)
Apr 13, 2012	21.27	21.30	21.12	21.14	76,216	-0.16(-0.75%)
Apr 12, 2012	21.02	21.35	21.02	21.30	50,174	+0.29(+1.38%)
Apr 11, 2012	20.91	21.04	20.91	21.01	28,038	+0.20(+0.96%)
Apr 10, 2012	20.90	20.92	20.73	20.81	71,152	-0.09(-0.43%)
Apr 09, 2012	21.03	21.07	20.90	20.90	22,848	-0.19(-0.90%)
Apr 05, 2012	21.18	21.22	21.07	21.09	148,531	-0.06(-0.28%)
Apr 04, 2012	21.25	21.25	21.05	21.15	82,742	-0.27(-1.26%)
Apr 03, 2012	21.64	21.64	21.39	21.42	22,607	-0.24(-1.11%)
Apr 02, 2012	21.53	21.67	21.53	21.66	42,096	+0.14(+0.65%)
Mar 30, 2012	21.46	21.57	21.41	21.52	29,640	+0.11(+0.51%)
Mar 29, 2012	21.48	21.48	21.21	21.41	34,354	-0.07(-0.33%)
Mar 28, 2012	21.69	21.69	21.46	21.48	19,705	-0.20(-0.92%)
Mar 27, 2012	21.85	21.85	21.68	21.68	15,243	-0.14(-0.64%)
Mar 26, 2012	21.76	21.83	21.76	21.82	28,793	+0.22(+1.02%)
Mar 23, 2012	21.50	21.62	21.47	21.60	19,856	+0.07(+0.33%)
Mar 22, 2012	21.66	21.66	21.50	21.53	26,527	-0.24(-1.10%)
Mar 21, 2012	21.74	21.79	21.74	21.77	17,459	+0.04(+0.18%)
Mar 20, 2012	21.83	21.83	21.67	21.73	103,391	-0.13(-0.59%)
Mar 19, 2012	22.00	22.07	21.86	21.86	119,965	-0.10(-0.46%)
Mar 16, 2012	22.03	22.03	21.96	21.96	198,252	+0.01(+0.05%)
Mar 15, 2012	21.98	22.07	21.95	21.95	22,592	+0.01(+0.05%)
Mar 14, 2012	22.07	22.07	21.87	21.94	29,902	-0.22(-0.99%)
Mar 13, 2012	22.11	22.18	22.06	22.16	15,909	+0.11(+0.50%)
Mar 12, 2012	22.14	22.14	22.00	22.05	27,614	-0.09(-0.41%)
Mar 09, 2012	22.04	22.16	21.96	22.14	386,064	+0.13(+0.59%)
Mar 08, 2012	21.97	22.03	21.87	22.01	15,981	+0.15(+0.69%)
Mar 07, 2012	21.70	21.86	21.63	21.86	58,354	+0.25(+1.16%)
Mar 06, 2012	21.77	21.77	21.54	21.61	52,040	-0.35(-1.59%)
Mar 05, 2012	22.20	22.20	21.95	21.96	25,109	-0.23(-1.04%)
Mar 02, 2012	22.33	22.33	22.15	22.19	23,195	-0.14(-0.63%)
Mar 01, 2012	22.26	22.36	22.22	22.33	59,475	+0.14(+0.63%)
Feb 29, 2012	22.40	22.44	22.15	22.19	66,559	-0.16(-0.72%)
Feb 28, 2012	22.31	22.37	22.29	22.35	26,928	+0.07(+0.31%)
Feb 27, 2012	22.33	22.37	22.25	22.28	15,379	-0.06(-0.27%)
Feb 24, 2012	22.44	22.45	22.34	22.34	36,382	-0.06(-0.27%)
Feb 23, 2012	22.31	22.40	22.23	22.40	42,069	+0.11(+0.49%)
Feb 22, 2012	22.19	22.29	22.15	22.29	129,248	+0.14(+0.63%)
Feb 21, 2012	22.02	22.15	22.00	22.15	22,589	+0.27(+1.23%)
Feb 17, 2012		21.88	21.88	21.88	0	+0.00(+0.00%)
Feb 16, 2012	21.72	21.90	21.68	21.88	28,568	+0.13(+0.60%)
Feb 15, 2012	21.76	21.78	21.69	21.75	32,170	+0.04(+0.18%)
Feb 14, 2012	21.85	21.85	21.67	21.71	18,302	-0.13(-0.60%)
Feb 13, 2012	21.94	21.96	21.82	21.84	16,924	+0.04(+0.18%)
Feb 10, 2012	21.85	21.85	21.75	21.80	28,362	-0.11(-0.50%)
Feb 09, 2012	21.90	21.96	21.88	21.91	26,008	+0.02(+0.09%)
Feb 08, 2012	21.97	22.00	21.83	21.89	36,160	-0.02(-0.09%)
Feb 07, 2012	21.96	21.96	21.82	21.91	30,679	-0.05(-0.23%)
Feb 06, 2012	21.98	21.99	21.92	21.96	181,037	-0.05(-0.23%)
Feb 03, 2012	22.04	22.07	22.00	22.01	103,918	-0.03(-0.14%)
Feb 02, 2012	21.92	22.04	21.92	22.04	141,940	+0.15(+0.69%)
Feb 01, 2012	21.89	21.93	21.83	21.89	26,822	+0.12(+0.55%)
Jan 31, 2012	21.77	21.86	21.67	21.77	34,169	+0.09(+0.42%)
Jan 30, 2012	21.60	21.68	21.53	21.68	33,316	-0.03(-0.14%)
Jan 27, 2012	21.71	21.81	21.71	21.71	21,939	+0.01(+0.05%)
Jan 26, 2012	21.86	21.95	21.65	21.70	23,424	+0.00(+0.00%)
Jan 25, 2012	21.42	21.73	21.41	21.70	23,780	+0.23(+1.07%)
Jan 24, 2012	21.46	21.50	21.43	21.47	15,616	-0.09(-0.42%)
Jan 23, 2012	21.57	21.63	21.53	21.56	21,769	+0.13(+0.61%)
Jan 20, 2012	21.45	21.45	21.35	21.43	44,349	-0.03(-0.14%)
Jan 19, 2012	21.44	21.48	21.38	21.46	25,925	+0.04(+0.19%)
Jan 18, 2012	21.26	21.43	21.26	21.42	15,283	+0.24(+1.13%)
Jan 17, 2012	21.35	21.42	21.18	21.18	22,912	-0.07(-0.33%)
Jan 16, 2012	21.14	21.26	21.14	21.25	5,156	+0.11(+0.52%)
Jan 13, 2012	21.17	21.17	21.03	21.14	30,003	-0.08(-0.38%)
Jan 12, 2012	21.41	21.43	21.22	21.22	36,974	-0.11(-0.52%)
Jan 11, 2012	21.36	21.36	21.26	21.33	92,393	-0.05(-0.23%)
Jan 10, 2012	21.45	21.49	21.38	21.38	21,849	+0.06(+0.28%)
Jan 09, 2012	21.36	21.36	21.27	21.32	10,998	+0.00(+0.00%)
Jan 06, 2012	21.41	21.41	21.30	21.32	22,781	-0.06(-0.28%)
Jan 05, 2012	21.33	21.38	21.16	21.38	56,429	+0.01(+0.05%)
Jan 04, 2012	21.28	21.38	21.20	21.37	50,482	+0.48(+2.30%)
Dec 30, 2011	20.83	20.89	20.79	20.89	21,200	+0.14(+0.67%)
Dec 29, 2011	20.56	20.76	20.55	20.75	9,906	+0.17(+0.83%)
Dec 28, 2011	20.85	20.85	20.55	20.58	25,449	-0.30(-1.44%)
Dec 23, 2011	20.83	20.88	20.88	20.88	38,735	+0.07(+0.34%)
Dec 21, 2011	20.76	20.81	20.66	20.81	44,185	+0.03(+0.14%)
Dec 20, 2011	20.49	20.81	20.49	20.78	85,985	+0.38(+1.86%)
Dec 19, 2011	20.59	20.59	20.39	20.40	32,233	-0.20(-0.97%)
Dec 16, 2011	20.36	20.60	20.36	20.60	101,011	+0.38(+1.88%)
Dec 15, 2011	20.37	20.37	20.17	20.22	39,304	+0.01(+0.05%)
Dec 14, 2011	20.55	20.55	20.19	20.21	34,054	-0.54(-2.60%)
Dec 13, 2011	21.03	21.07	20.75	20.75	28,885	-0.24(-1.14%)
Dec 12, 2011	21.04	21.04	20.90	20.99	35,122	-0.24(-1.13%)
Dec 09, 2011	21.10	21.28	21.10	21.23	31,276	+0.13(+0.62%)
Dec 08, 2011	21.27	21.27	21.06	21.10	36,286	-0.31(-1.45%)
Dec 07, 2011	21.36	21.41	21.27	21.41	16,596	+0.00(+0.00%)
Dec 06, 2011	21.34	21.42	21.25	21.41	81,478	+0.08(+0.38%)
Dec 05, 2011	21.33	21.53	21.31	21.33	150,345	+0.11(+0.52%)
Dec 02, 2011	21.35	21.39	21.20	21.22	12,224	-0.08(-0.38%)
Dec 01, 2011	21.19	21.34	21.19	21.30	57,432	+0.09(+0.42%)
Nov 30, 2011	20.97	21.21	20.94	21.21	12,600	+0.55(+2.66%)
Nov 29, 2011	20.50	20.69	20.50	20.66	44,667	+0.19(+0.93%)
Nov 28, 2011	20.59	20.68	20.47	20.47	69,661	+0.30(+1.49%)
Nov 25, 2011	20.20	20.33	20.15	20.17	30,098	-0.03(-0.15%)
Nov 24, 2011	20.36	20.36	20.20	20.20	7,893	-0.12(-0.59%)
Nov 23, 2011	20.48	20.48	20.28	20.32	16,623	-0.34(-1.65%)
Nov 22, 2011	20.68	20.70	20.56	20.66	25,494	+0.19(+0.93%)
Nov 21, 2011	20.64	20.64	20.38	20.47	13,358	-0.42(-2.01%)
Nov 18, 2011	20.94	20.94	20.89	20.89	1,824	-0.01(-0.05%)
Nov 17, 2011	21.25	21.29	20.90	20.90	17,253	-0.43(-2.02%)
Nov 16, 2011	21.42	21.46	21.33	21.33	6,046	-0.11(-0.51%)
Nov 15, 2011	21.28	21.44	21.27	21.44	12,862	+0.13(+0.61%)
Nov 14, 2011	21.46	21.46	21.31	21.31	54,863	-0.17(-0.79%)
Nov 11, 2011	21.41	21.54	21.41	21.48	5,843	+0.24(+1.13%)
Nov 10, 2011	21.40	21.40	21.20	21.24	6,135	-0.08(-0.38%)
Nov 09, 2011	21.63	21.71	21.32	21.32	23,655	-0.51(-2.34%)
Nov 08, 2011	21.90	21.93	21.76	21.83	6,757	+0.07(+0.32%)
Nov 07, 2011	21.77	21.77	21.65	21.76	5,538	+0.03(+0.14%)
Nov 04, 2011	21.72	21.79	21.61	21.73	11,470	+0.01(+0.05%)
Nov 03, 2011	21.63	21.74	21.48	21.72	9,166	+0.24(+1.12%)
Nov 02, 2011	21.48	21.48	21.37	21.48	18,434	+0.22(+1.03%)
Nov 01, 2011	20.91	21.26	20.67	21.26	161,560	-0.15(-0.70%)
Oct 31, 2011	21.52	21.60	21.41	21.41	8,570	-0.27(-1.25%)
Oct 28, 2011	21.52	21.71	21.52	21.68	5,134	+0.08(+0.37%)
Oct 27, 2011	21.63	21.68	21.58	21.60	23,833	+0.43(+2.03%)
Oct 26, 2011	21.21	21.21	21.00	21.17	13,348	+0.09(+0.43%)
Oct 25, 2011	21.17	21.25	21.00	21.08	10,010	-0.02(-0.09%)
Oct 24, 2011	20.70	21.10	20.70	21.10	116,312	+0.42(+2.03%)
Oct 21, 2011	20.76	20.80	20.63	20.68	19,575	+0.18(+0.88%)
Oct 20, 2011	20.42	20.61	20.38	20.50	17,083	-0.04(-0.19%)
Oct 19, 2011	20.80	20.84	20.54	20.54	8,268	-0.21(-1.01%)
Oct 18, 2011	20.40	20.81	20.20	20.75	58,701	+0.23(+1.12%)
Oct 17, 2011	20.88	20.88	20.51	20.52	5,767	-0.29(-1.39%)
Oct 14, 2011	20.85	20.85	20.73	20.81	3,686	+0.19(+0.92%)
Oct 13, 2011	20.51	20.62	20.42	20.62	19,741	-0.07(-0.34%)
Oct 12, 2011	20.45	20.77	20.45	20.69	14,777	+0.43(+2.12%)
Oct 11, 2011	20.24	20.31	20.16	20.26	19,820	+0.35(+1.76%)
Oct 07, 2011	20.13	20.14	19.75	19.91	139,967	-0.02(-0.10%)
Oct 06, 2011	19.58	20.01	19.58	19.93	11,821	+0.46(+2.36%)
Oct 05, 2011	19.14	19.47	19.00	19.47	87,666	+0.54(+2.85%)
Oct 04, 2011	18.88	18.93	18.50	18.93	29,383	-0.22(-1.15%)
Oct 03, 2011	19.76	19.78	19.15	19.15	61,121	-0.62(-3.14%)
Sep 30, 2011	19.76	19.88	19.66	19.77	119,897	-0.11(-0.55%)
Sep 29, 2011	20.16	20.26	19.75	19.88	322,532	-0.12(-0.60%)
Sep 28, 2011	20.51	20.51	20.00	20.00	11,476	-0.39(-1.91%)
Sep 27, 2011	20.50	20.71	20.39	20.39	372,393	+0.40(+2.00%)
Sep 26, 2011	19.85	19.99	19.60	19.99	69,104	+0.14(+0.71%)
Sep 23, 2011	19.89	20.10	19.79	19.85	182,589	-0.46(-2.26%)
Sep 22, 2011	20.62	20.62	20.17	20.31	134,559	-0.92(-4.33%)
Sep 21, 2011	21.54	21.54	21.23	21.23	69,315	-0.34(-1.58%)
Sep 20, 2011	21.42	21.64	21.42	21.57	28,637	+0.14(+0.65%)
Sep 19, 2011	21.43	21.53	21.31	21.43	178,388	+0.16(+0.75%)
Sep 16, 2011	21.64	21.69	21.27	21.27	335,148	-0.34(-1.57%)
Sep 15, 2011	21.52	21.61	21.42	21.61	192,413	+0.15(+0.70%)
Sep 14, 2011	21.35	21.55	21.34	21.46	29,640	+0.05(+0.23%)
Sep 13, 2011	21.25	21.42	21.25	21.41	10,387	+0.35(+1.66%)
Sep 12, 2011	21.28	21.40	21.06	21.06	33,038	-0.49(-2.27%)
Sep 09, 2011	21.82	21.87	21.52	21.55	9,364	-0.44(-2.00%)
Sep 08, 2011	21.95	22.01	21.94	21.99	13,718	+0.03(+0.14%)
Sep 07, 2011	21.69	21.96	21.69	21.96	7,570	+0.33(+1.53%)
Sep 06, 2011	21.56	21.63	21.56	21.63	21,888	-0.23(-1.05%)
Sep 02, 2011	21.81	21.94	21.81	21.86	16,033	-0.13(-0.59%)
Sep 01, 2011	22.14	22.18	21.99	21.99	15,030	-0.11(-0.50%)
Aug 31, 2011	22.12	22.12	22.02	22.10	4,608	+0.16(+0.73%)
Aug 30, 2011	21.81	21.95	21.81	21.94	9,572	+0.18(+0.83%)
Aug 29, 2011	21.58	21.76	21.58	21.76	11,115	+0.36(+1.68%)
Aug 26, 2011	21.20	21.40	21.15	21.40	4,837	+0.20(+0.94%)
Aug 25, 2011	21.27	21.27	21.16	21.20	7,885	+0.06(+0.28%)
Aug 24, 2011	21.34	21.36	21.13	21.14	2,898	-0.22(-1.03%)
Aug 23, 2011	21.14	21.36	21.14	21.36	11,637	+0.26(+1.23%)
Aug 22, 2011	21.30	21.30	21.06	21.10	11,539	+0.16(+0.76%)
Aug 19, 2011	21.00	21.24	20.94	20.94	49,980	-0.19(-0.90%)
Aug 18, 2011	21.46	21.46	21.13	21.13	30,136	-0.65(-2.98%)
Aug 17, 2011	21.82	21.96	21.78	21.78	21,673	+0.05(+0.23%)
Aug 16, 2011	21.90	21.91	21.73	21.73	27,096	-0.32(-1.45%)
Aug 15, 2011	21.91	22.05	21.91	22.05	11,751	+0.25(+1.15%)
Aug 12, 2011	21.83	21.83	21.73	21.80	6,532	+0.21(+0.97%)
Aug 11, 2011	21.14	21.69	21.02	21.59	11,551	+0.30(+1.41%)
Aug 10, 2011	21.01	21.33	20.86	21.29	13,013	+0.51(+2.45%)
Aug 09, 2011	20.36	20.88	20.36	20.78	50,675	+0.60(+2.97%)
Aug 08, 2011	20.39	20.65	20.16	20.18	218,777	-1.06(-4.99%)
Aug 05, 2011	21.68	21.71	19.98	21.24	61,318	-0.47(-2.16%)
Aug 04, 2011	22.67	22.67	21.71	21.71	36,066	-0.96(-4.23%)
Aug 03, 2011	22.79	22.79	22.54	22.67	16,947	-0.14(-0.61%)

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