1980/01/01	-9999
1980/01/02	-9999
1980/01/03	-9999
1980/01/04	-9999
1980/01/05	-9999
1980/01/06	-9999
1980/01/07	-9999
1980/01/08	-9999
1980/01/09	-9999
1980/01/10	-9999
1980/01/11	-9999
1980/01/12	-9999
1980/01/13	-9999
1980/01/14	-9999
1980/01/15	-9999
1980/01/16	-9999
1980/01/17	-9999
1980/01/18	-9999
1980/01/19	-9999
1980/01/20	-9999
1980/01/21	-9999
1980/01/22	-9999
1980/01/23	-9999
1980/01/24	-9999
1980/01/25	-9999
1980/01/26	-9999
1980/01/27	-9999
1980/01/28	-9999
1980/01/29	-9999
1980/01/30	-9999
1980/01/31	-9999
1980/02/01	-9999
1980/02/02	-9999
1980/02/03	-9999
1980/02/04	-9999
1980/02/05	-9999
1980/02/06	-9999
1980/02/07	-9999
1980/02/08	-9999
1980/02/09	-9999
1980/02/10	-9999
1980/02/11	-9999
1980/02/12	-9999
1980/02/13	-9999
1980/02/14	-9999
1980/02/15	-9999
1980/02/16	-9999
1980/02/17	-9999
1980/02/18	-9999
1980/02/19	-9999
1980/02/20	-9999
1980/02/21	-9999
1980/02/22	-9999
1980/02/23	-9999
1980/02/24	-9999
1980/02/25	-9999
1980/02/26	-9999
1980/02/27	-9999
1980/02/28	-9999
1980/02/29	-9999
1980/03/01	-9999
1980/03/02	-9999
1980/03/03	-9999
1980/03/04	-9999
1980/03/05	-9999
1980/03/06	-9999
1980/03/07	-9999
1980/03/08	-9999
1980/03/09	-9999
1980/03/10	-9999
1980/03/11	-9999
1980/03/12	-9999
1980/03/13	-9999
1980/03/14	-9999
1980/03/15	-9999
1980/03/16	-9999
1980/03/17	-9999
1980/03/18	-9999
1980/03/19	-9999
1980/03/20	-9999
1980/03/21	-9999
1980/03/22	-9999
1980/03/23	-9999
1980/03/24	-9999
1980/03/25	-9999
1980/03/26	-9999
1980/03/27	-9999
1980/03/28	-9999
1980/03/29	-9999
1980/03/30	-9999
1980/03/31	-9999
1980/04/01	137.00
1980/04/02	122.60
1980/04/03	127.40
1980/04/04	144.80
1980/04/05	123.80
1980/04/06	126.20
1980/04/07	128.60
1980/04/08	126.20
1980/04/09	131.00
1980/04/10	125.00
1980/04/11	127.40
1980/04/12	108.60
1980/04/13	103.10
1980/04/14	108.60
1980/04/15	105.30
1980/04/16	121.40
1980/04/17	126.20
1980/04/18	122.60
1980/04/19	132.20
1980/04/20	140.90
1980/04/21	131.00
1980/04/22	127.40
1980/04/23	115.40
1980/04/24	110.80
1980/04/25	109.70
1980/04/26	101.00
1980/04/27	101.00
1980/04/28	100.00
1980/04/29	104.20
1980/04/30	106.40
1980/05/01	111.90
1980/05/02	110.80
1980/05/03	114.20
1980/05/04	114.20
1980/05/05	115.40
1980/05/06	111.90
1980/05/07	117.80
1980/05/08	121.40
1980/05/09	116.60
1980/05/10	102.00
1980/05/11	105.30
1980/05/12	103.10
1980/05/13	108.60
1980/05/14	115.40
1980/05/15	117.80
1980/05/16	117.80
1980/05/17	104.20
1980/05/18	110.80
1980/05/19	125.00
1980/05/20	122.60
1980/05/21	129.80
1980/05/22	143.50
1980/05/23	137.00
1980/05/24	133.40
1980/05/25	200.50
1980/05/26	306.80
1980/05/27	342.50
1980/05/28	281.30
1980/05/29	208.00
1980/05/30	138.30
1980/05/31	120.20
1980/06/01	126.20
1980/06/02	148.70
1980/06/03	127.40
1980/06/04	101.00
1980/06/05	87.00
1980/06/06	85.00
1980/06/07	173.40
1980/06/08	165.60
1980/06/09	155.20
1980/06/10	156.50
1980/06/11	166.90
1980/06/12	187.20
1980/06/13	197.50
1980/06/14	223.00
1980/06/15	259.60
1980/06/16	279.60
1980/06/17	332.30
1980/06/18	413.90
1980/06/19	447.80
1980/06/20	447.80
1980/06/21	456.80
1980/06/22	487.40
1980/06/23	529.90
1980/06/24	607.80
1980/06/25	699.80
1980/06/26	748.00
1980/06/27	754.60
1980/06/28	754.60
1980/06/29	754.60
1980/06/30	726.00
1980/07/01	691.40
1980/07/02	650.00
1980/07/03	617.30
1980/07/04	560.30
1980/07/05	512.80
1980/07/06	447.80
1980/07/07	413.90
1980/07/08	379.90
1980/07/09	361.20
1980/07/10	313.60
1980/07/11	258.00
1980/07/12	220.00
1980/07/13	199.00
1980/07/14	183.00
1980/07/15	176.00
1980/07/16	169.50
1980/07/17	160.40
1980/07/18	156.50
1980/07/19	150.00
1980/07/20	143.50
1980/07/21	151.30
1980/07/22	148.70
1980/07/23	155.20
1980/07/24	170.80
1980/07/25	197.50
1980/07/26	258.00
1980/07/27	344.20
1980/07/28	433.40
1980/07/29	566.00
1980/07/30	670.40
1980/07/31	781.00
1980/08/01	814.00
1980/08/02	814.00
1980/08/03	841.60
1980/08/04	867.20
1980/08/05	881.60
1980/08/06	872.00
1980/08/07	843.90
1980/08/08	834.70
1980/08/09	778.80
1980/08/10	730.40
1980/08/11	674.60
1980/08/12	602.10
1980/08/13	529.90
1980/08/14	462.20
1980/08/15	408.80
1980/08/16	354.40
1980/08/17	291.50
1980/08/18	266.00
1980/08/19	289.80
1980/08/20	330.60
1980/08/21	354.40
1980/08/22	349.30
1980/08/23	339.10
1980/08/24	369.70
1980/08/25	386.70
1980/08/26	410.50
1980/08/27	462.20
1980/08/28	503.60
1980/08/29	571.70
1980/08/30	604.00
1980/08/31	604.00
1980/09/01	592.60
1980/09/02	577.40
1980/09/03	586.90
1980/09/04	604.00
1980/09/05	624.90
1980/09/06	658.00
1980/09/07	699.80
1980/09/08	728.20
1980/09/09	761.20
1980/09/10	825.50
1980/09/11	893.60
1980/09/12	941.60
1980/09/13	1012.40
1980/09/14	1034.00
1980/09/15	1039.60
1980/09/16	1053.60
1980/09/17	1056.40
1980/09/18	1056.40
1980/09/19	1062.00
1980/09/20	1076.50
1980/09/21	1103.40
1980/09/22	1167.40
1980/09/23	1244.00
1980/09/24	1325.00
1980/09/25	1408.00
1980/09/26	1492.40
1980/09/27	1522.80
1980/09/28	1564.80
1980/09/29	1669.20
1980/09/30	1813.60
1980/10/01	1943.20
1980/10/02	2118.00
1980/10/03	2286.00
1980/10/04	2574.00
1980/10/05	2672.00
1980/10/06	2816.00
1980/10/07	2924.00
1980/10/08	3052.00
1980/10/09	3282.00
1980/10/10	3328.00
1980/10/11	3420.00
1980/10/12	3470.00
1980/10/13	3570.00
1980/10/14	3620.00
1980/10/15	3670.00
1980/10/16	3670.00
1980/10/17	3670.00
1980/10/18	3670.00
1980/10/19	3620.00
1980/10/20	3520.00
1980/10/21	3420.00
1980/10/22	3328.00
1980/10/23	3236.00
1980/10/24	3052.00
1980/10/25	2960.00
1980/10/26	2548.00
1980/10/27	2418.00
1980/10/28	2322.00
1980/10/29	2196.00
1980/10/30	2160.00
1980/10/31	2118.00
1980/11/01	1994.40
1980/11/02	1824.80
1980/11/03	1718.80
1980/11/04	1598.80
1980/11/05	1438.00
1980/11/06	1289.00
1980/11/07	1222.70
1980/11/08	1159.80
1980/11/09	1106.50
1980/11/10	1067.80
1980/11/11	1045.20
1980/11/12	1025.90
1980/11/13	991.40
1980/11/14	963.50
1980/11/15	896.00
1980/11/16	839.30
1980/11/17	816.30
1980/11/18	787.60
1980/11/19	745.80
1980/11/20	695.60
1980/11/21	646.00
1980/11/22	638.20
1980/11/23	615.40
1980/11/24	588.80
1980/11/25	573.60
1980/11/26	560.30
1980/11/27	533.70
1980/11/28	503.60
1980/11/29	464.00
1980/11/30	458.60
1980/12/01	478.40
1980/12/02	478.40
1980/12/03	433.40
1980/12/04	403.70
1980/12/05	412.20
1980/12/06	422.60
1980/12/07	426.20
1980/12/08	458.60
1980/12/09	473.00
1980/12/10	478.40
1980/12/11	489.20
1980/12/12	520.40
1980/12/13	535.60
1980/12/14	550.80
1980/12/15	531.80
1980/12/16	491.00
1980/12/17	460.40
1980/12/18	444.20
1980/12/19	429.80
1980/12/20	429.80
1980/12/21	471.20
1980/12/22	503.60
1980/12/23	473.00
1980/12/24	415.60
1980/12/25	366.30
1980/12/26	328.90
1980/12/27	293.20
1980/12/28	266.00
1980/12/29	253.20
1980/12/30	235.00
1980/12/31	206.50
#===========================================
# Number of observations = 275 / 366
# Average = 773.48