1968/01/01	293.00
1968/01/02	285.00
1968/01/03	276.00
1968/01/04	252.00
1968/01/05	232.00
1968/01/06	240.00
1968/01/07	254.00
1968/01/08	254.00
1968/01/09	252.00
1968/01/10	249.00
1968/01/11	240.00
1968/01/12	242.00
1968/01/13	247.00
1968/01/14	252.00
1968/01/15	249.00
1968/01/16	244.00
1968/01/17	247.00
1968/01/18	240.00
1968/01/19	232.00
1968/01/20	232.00
1968/01/21	235.00
1968/01/22	235.00
1968/01/23	237.00
1968/01/24	235.00
1968/01/25	228.00
1968/01/26	228.00
1968/01/27	228.00
1968/01/28	228.00
1968/01/29	230.00
1968/01/30	215.00
1968/01/31	197.00
1968/02/01	182.00
1968/02/02	171.00
1968/02/03	165.00
1968/02/04	165.00
1968/02/05	178.00
1968/02/06	180.00
1968/02/07	178.00
1968/02/08	171.00
1968/02/09	173.00
1968/02/10	182.00
1968/02/11	186.00
1968/02/12	197.00
1968/02/13	201.00
1968/02/14	204.00
1968/02/15	201.00
1968/02/16	197.00
1968/02/17	195.00
1968/02/18	197.00
1968/02/19	197.00
1968/02/20	197.00
1968/02/21	195.00
1968/02/22	195.00
1968/02/23	199.00
1968/02/24	199.00
1968/02/25	204.00
1968/02/26	199.00
1968/02/27	197.00
1968/02/28	197.00
1968/02/29	190.00
1968/03/01	193.00
1968/03/02	193.00
1968/03/03	180.00
1968/03/04	173.00
1968/03/05	175.00
1968/03/06	175.00
1968/03/07	167.00
1968/03/08	169.00
1968/03/09	178.00
1968/03/10	180.00
1968/03/11	180.00
1968/03/12	180.00
1968/03/13	186.00
1968/03/14	169.00
1968/03/15	171.00
1968/03/16	178.00
1968/03/17	186.00
1968/03/18	204.00
1968/03/19	219.00
1968/03/20	226.00
1968/03/21	219.00
1968/03/22	217.00
1968/03/23	219.00
1968/03/24	223.00
1968/03/25	221.00
1968/03/26	217.00
1968/03/27	204.00
1968/03/28	182.00
1968/03/29	184.00
1968/03/30	193.00
1968/03/31	193.00
1968/04/01	198.00
1968/04/02	199.00
1968/04/03	196.00
1968/04/04	190.00
1968/04/05	190.00
1968/04/06	196.00
1968/04/07	199.00
1968/04/08	201.00
1968/04/09	196.00
1968/04/10	184.00
1968/04/11	179.00
1968/04/12	184.00
1968/04/13	203.00
1968/04/14	215.00
1968/04/15	222.00
1968/04/16	215.00
1968/04/17	196.00
1968/04/18	179.00
1968/04/19	186.00
1968/04/20	203.00
1968/04/21	217.00
1968/04/22	226.00
1968/04/23	222.00
1968/04/24	228.00
1968/04/25	248.00
1968/04/26	275.00
1968/04/27	289.00
1968/04/28	291.00
1968/04/29	284.00
1968/04/30	270.00
1968/05/01	266.00
1968/05/02	252.00
1968/05/03	257.00
1968/05/04	270.00
1968/05/05	284.00
1968/05/06	334.00
1968/05/07	420.00
1968/05/08	469.00
1968/05/09	487.00
1968/05/10	545.00
1968/05/11	607.00
1968/05/12	642.00
1968/05/13	639.00
1968/05/14	588.00
1968/05/15	573.00
1968/05/16	539.00
1968/05/17	536.00
1968/05/18	499.00
1968/05/19	457.00
1968/05/20	422.00
1968/05/21	392.00
1968/05/22	365.00
1968/05/23	334.00
1968/05/24	332.00
1968/05/25	334.00
1968/05/26	350.00
1968/05/27	368.00
1968/05/28	378.00
1968/05/29	373.00
1968/05/30	350.00
1968/05/31	347.00
1968/06/01	344.00
1968/06/02	329.00
1968/06/03	312.00
1968/06/04	320.00
1968/06/05	342.00
1968/06/06	368.00
1968/06/07	442.00
1968/06/08	557.00
1968/06/09	652.00
1968/06/10	705.00
1968/06/11	718.00
1968/06/12	701.00
1968/06/13	675.00
1968/06/14	652.00
1968/06/15	632.00
1968/06/16	626.00
1968/06/17	639.00
1968/06/18	636.00
1968/06/19	626.00
1968/06/20	570.00
1968/06/21	557.00
1968/06/22	539.00
1968/06/23	496.00
1968/06/24	466.00
1968/06/25	475.00
1968/06/26	460.00
1968/06/27	431.00
1968/06/28	428.00
1968/06/29	420.00
1968/06/30	417.00
1968/07/01	417.00
1968/07/02	431.00
1968/07/03	434.00
1968/07/04	460.00
1968/07/05	576.00
1968/07/06	629.00
1968/07/07	639.00
1968/07/08	655.00
1968/07/09	672.00
1968/07/10	675.00
1968/07/11	695.00
1968/07/12	698.00
1968/07/13	662.00
1968/07/14	632.00
1968/07/15	607.00
1968/07/16	576.00
1968/07/17	536.00
1968/07/18	484.00
1968/07/19	490.00
1968/07/20	496.00
1968/07/21	496.00
1968/07/22	517.00
1968/07/23	576.00
1968/07/24	601.00
1968/07/25	610.00
1968/07/26	685.00
1968/07/27	809.00
1968/07/28	865.00
1968/07/29	897.00
1968/07/30	922.00
1968/07/31	900.00
1968/08/01	876.00
1968/08/02	834.00
1968/08/03	792.00
1968/08/04	774.00
1968/08/05	767.00
1968/08/06	767.00
1968/08/07	757.00
1968/08/08	732.00
1968/08/09	722.00
1968/08/10	746.00
1968/08/11	771.00
1968/08/12	774.00
1968/08/13	774.00
1968/08/14	753.00
1968/08/15	722.00
1968/08/16	729.00
1968/08/17	771.00
1968/08/18	890.00
1968/08/19	1076.00
1968/08/20	1179.00
1968/08/21	1217.00
1968/08/22	1213.00
1968/08/23	1198.00
1968/08/24	1213.00
1968/08/25	1221.00
1968/08/26	1206.00
1968/08/27	1179.00
1968/08/28	1088.00
1968/08/29	1013.00
1968/08/30	950.00
1968/08/31	883.00
1968/09/01	837.00
1968/09/02	816.00
1968/09/03	799.00
1968/09/04	760.00
1968/09/05	722.00
1968/09/06	715.00
1968/09/07	722.00
1968/09/08	746.00
1968/09/09	767.00
1968/09/10	774.00
1968/09/11	778.00
1968/09/12	778.00
1968/09/13	792.00
1968/09/14	799.00
1968/09/15	816.00
1968/09/16	900.00
1968/09/17	1046.00
1968/09/18	1167.00
1968/09/19	1247.00
1968/09/20	1263.00
1968/09/21	1263.00
1968/09/22	1221.00
1968/09/23	1171.00
1968/09/24	1111.00
1968/09/25	1046.00
1968/09/26	1009.00
1968/09/27	987.00
1968/09/28	984.00
1968/09/29	943.00
1968/09/30	925.00
1968/10/01	872.00
1968/10/02	837.00
1968/10/03	816.00
1968/10/04	809.00
1968/10/05	813.00
1968/10/06	841.00
1968/10/07	834.00
1968/10/08	788.00
1968/10/09	739.00
1968/10/10	711.00
1968/10/11	711.00
1968/10/12	718.00
1968/10/13	764.00
1968/10/14	792.00
1968/10/15	806.00
1968/10/16	781.00
1968/10/17	764.00
1968/10/18	767.00
1968/10/19	767.00
1968/10/20	767.00
1968/10/21	767.00
1968/10/22	767.00
1968/10/23	739.00
1968/10/24	691.00
1968/10/25	668.00
1968/10/26	629.00
1968/10/27	598.00
1968/10/28	560.00
1968/10/29	526.00
1968/10/30	487.00
1968/10/31	454.00
1968/11/01	454.00
1968/11/02	457.00
1968/11/03	448.00
1968/11/04	431.00
1968/11/05	417.00
1968/11/06	403.00
1968/11/07	386.00
1968/11/08	384.00
1968/11/09	381.00
1968/11/10	378.00
1968/11/11	370.00
1968/11/12	355.00
1968/11/13	334.00
1968/11/14	315.00
1968/11/15	324.00
1968/11/16	334.00
1968/11/17	334.00
1968/11/18	334.00
1968/11/19	344.00
1968/11/20	365.00
1968/11/21	365.00
1968/11/22	360.00
1968/11/23	350.00
1968/11/24	350.00
1968/11/25	350.00
1968/11/26	357.00
1968/11/27	373.00
1968/11/28	357.00
1968/11/29	334.00
1968/11/30	329.00
1968/12/01	327.00
1968/12/02	317.00
1968/12/03	312.00
1968/12/04	315.00
1968/12/05	317.00
1968/12/06	315.00
1968/12/07	315.00
1968/12/08	312.00
1968/12/09	300.00
1968/12/10	308.00
1968/12/11	286.00
1968/12/12	266.00
1968/12/13	275.00
1968/12/14	277.00
1968/12/15	277.00
1968/12/16	277.00
1968/12/17	270.00
1968/12/18	266.00
1968/12/19	263.00
1968/12/20	261.00
1968/12/21	261.00
1968/12/22	270.00
1968/12/23	273.00
1968/12/24	273.00
1968/12/25	257.00
1968/12/26	237.00
1968/12/27	243.00
1968/12/28	245.00
1968/12/29	245.00
1968/12/30	248.00
1968/12/31	241.00
#===========================================
# Number of observations = 366 / 366
# Total = 172117.0
# Average = 470.27