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	142.90
1980/04/02	138.70
1980/04/03	127.60
1980/04/04	133.60
1980/04/05	154.30
1980/04/06	139.50
1980/04/07	137.00
1980/04/08	144.60
1980/04/09	142.10
1980/04/10	133.60
1980/04/11	121.70
1980/04/12	140.40
1980/04/13	154.30
1980/04/14	147.20
1980/04/15	134.40
1980/04/16	106.80
1980/04/17	90.30
1980/04/18	101.50
1980/04/19	138.70
1980/04/20	146.30
1980/04/21	136.10
1980/04/22	127.60
1980/04/23	128.50
1980/04/24	119.10
1980/04/25	122.50
1980/04/26	128.50
1980/04/27	123.40
1980/04/28	126.80
1980/04/29	141.20
1980/04/30	140.40
1980/05/01	129.30
1980/05/02	132.70
1980/05/03	145.50
1980/05/04	139.50
1980/05/05	125.90
1980/05/06	135.30
1980/05/07	173.20
1980/05/08	156.10
1980/05/09	142.90
1980/05/10	172.30
1980/05/11	189.40
1980/05/12	210.10
1980/05/13	208.30
1980/05/14	183.10
1980/05/15	144.60
1980/05/16	142.90
1980/05/17	185.80
1980/05/18	252.00
1980/05/19	249.00
1980/05/20	207.40
1980/05/21	163.30
1980/05/22	120.00
1980/05/23	106.00
1980/05/24	120.00
1980/05/25	149.80
1980/05/26	158.80
1980/05/27	168.70
1980/05/28	164.20
1980/05/29	201.10
1980/05/30	275.70
1980/05/31	309.50
1980/06/01	269.40
1980/06/02	202.00
1980/06/03	188.50
1980/06/04	192.10
1980/06/05	150.70
1980/06/06	137.80
1980/06/07	162.40
1980/06/08	169.60
1980/06/09	272.60
1980/06/10	184.90
1980/06/11	204.70
1980/06/12	211.00
1980/06/13	228.00
1980/06/14	212.00
1980/06/15	188.50
1980/06/16	192.10
1980/06/17	226.00
1980/06/18	241.00
1980/06/19	250.00
1980/06/20	284.20
1980/06/21	321.60
1980/06/22	369.40
1980/06/23	444.60
1980/06/24	496.60
1980/06/25	500.50
1980/06/26	477.10
1980/06/27	471.90
1980/06/28	470.60
1980/06/29	471.90
1980/06/30	481.00
1980/07/01	522.10
1980/07/02	530.20
1980/07/03	512.70
1980/07/04	477.10
1980/07/05	457.60
1980/07/06	433.00
1980/07/07	421.80
1980/07/08	383.00
1980/07/09	337.00
1980/07/10	300.70
1980/07/11	286.40
1980/07/12	274.70
1980/07/13	272.60
1980/07/14	250.00
1980/07/15	240.00
1980/07/16	218.00
1980/07/17	181.30
1980/07/18	161.50
1980/07/19	169.60
1980/07/20	172.30
1980/07/21	197.50
1980/07/22	293.00
1980/07/23	367.00
1980/07/24	452.40
1980/07/25	500.50
1980/07/26	566.70
1980/07/27	669.50
1980/07/28	787.20
1980/07/29	899.80
1980/07/30	997.60
1980/07/31	1123.80
1980/08/01	1266.40
1980/08/02	1320.30
1980/08/03	1277.60
1980/08/04	1206.00
1980/08/05	1136.80
1980/08/06	1070.00
1980/08/07	974.00
1980/08/08	901.60
1980/08/09	811.00
1980/08/10	660.50
1980/08/11	564.00
1980/08/12	508.60
1980/08/13	507.30
1980/08/14	478.40
1980/08/15	442.00
1980/08/16	400.50
1980/08/17	347.80
1980/08/18	363.40
1980/08/19	378.00
1980/08/20	346.60
1980/08/21	328.20
1980/08/22	350.20
1980/08/23	423.00
1980/08/24	484.90
1980/08/25	534.20
1980/08/26	647.00
1980/08/27	838.20
1980/08/28	960.20
1980/08/29	930.80
1980/08/30	855.20
1980/08/31	814.40
1980/09/01	811.00
1980/09/02	828.00
1980/09/03	826.30
1980/09/04	905.20
1980/09/05	1087.20
1980/09/06	1169.00
1980/09/07	1216.00
1980/09/08	1295.30
1980/09/09	1450.40
1980/09/10	1470.30
1980/09/11	1482.60
1980/09/12	1482.60
1980/09/13	1486.70
1980/09/14	1499.00
1980/09/15	1503.30
1980/09/16	1494.90
1980/09/17	1486.70
1980/09/18	1490.80
1980/09/19	1511.90
1980/09/20	1520.50
1980/09/21	1520.50
1980/09/22	1524.80
1980/09/23	1529.10
1980/09/24	1520.50
1980/09/25	1511.90
1980/09/26	1511.90
1980/09/27	1490.80
1980/09/28	1470.30
1980/09/29	1454.20
1980/09/30	1439.00
1980/10/01	1412.80
1980/10/02	1387.60
1980/10/03	1380.60
1980/10/04	1353.40
1980/10/05	1317.00
1980/10/06	1298.40
1980/10/07	1298.40
1980/10/08	1258.00
1980/10/09	1247.20
1980/10/10	1236.40
1980/10/11	1208.50
1980/10/12	1169.00
1980/10/13	1130.20
1980/10/14	1060.00
1980/10/15	940.10
1980/10/16	826.30
1980/10/17	794.00
1980/10/18	855.20
1980/10/19	829.70
1980/10/20	785.50
1980/10/21	800.80
1980/10/22	783.80
1980/10/23	750.40
1980/10/24	739.20
1980/10/25	680.00
1980/10/26	598.80
1980/10/27	542.40
1980/10/28	528.90
1980/10/29	494.00
1980/10/30	457.60
1980/10/31	465.40
1980/11/01	428.00
1980/11/02	357.40
1980/11/03	316.10
1980/11/04	295.20
1980/11/05	291.90
1980/11/06	277.80
1980/11/07	268.40
1980/11/08	337.00
1980/11/09	365.80
1980/11/10	326.00
1980/11/11	310.60
1980/11/12	317.20
1980/11/13	306.20
1980/11/14	280.90
1980/11/15	266.30
1980/11/16	242.00
1980/11/17	217.00
1980/11/18	230.00
1980/11/19	254.00
1980/11/20	260.00
1980/11/21	243.00
1980/11/22	298.50
1980/11/23	375.50
1980/11/24	356.20
1980/11/25	380.50
1980/11/26	379.30
1980/11/27	311.70
1980/11/28	343.00
1980/11/29	380.50
1980/11/30	344.20
1980/12/01	311.70
1980/12/02	300.70
1980/12/03	301.80
1980/12/04	263.10
1980/12/05	288.60
1980/12/06	319.40
1980/12/07	300.70
1980/12/08	319.40
1980/12/09	276.80
1980/12/10	271.50
1980/12/11	302.90
1980/12/12	370.60
1980/12/13	346.60
1980/12/14	264.20
1980/12/15	236.00
1980/12/16	241.00
1980/12/17	258.00
1980/12/18	226.00
1980/12/19	284.20
1980/12/20	328.20
1980/12/21	308.40
1980/12/22	214.00
1980/12/23	151.60
1980/12/24	133.60
1980/12/25	131.90
1980/12/26	125.10
1980/12/27	120.80
1980/12/28	118.30
1980/12/29	113.20
1980/12/30	114.00
1980/12/31	131.90
#===========================================
# Number of observations = 275 / 366
# Average = 512.88