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	139.00
1980/04/02	133.00
1980/04/03	122.60
1980/04/04	129.00
1980/04/05	150.90
1980/04/06	134.70
1980/04/07	132.20
1980/04/08	140.70
1980/04/09	138.10
1980/04/10	129.80
1980/04/11	116.20
1980/04/12	135.50
1980/04/13	150.90
1980/04/14	143.20
1980/04/15	129.80
1980/04/16	100.00
1980/04/17	82.50
1980/04/18	94.00
1980/04/19	133.90
1980/04/20	142.30
1980/04/21	131.40
1980/04/22	122.60
1980/04/23	123.40
1980/04/24	113.00
1980/04/25	117.00
1980/04/26	123.40
1980/04/27	117.80
1980/04/28	121.80
1980/04/29	137.20
1980/04/30	135.50
1980/05/01	130.60
1980/05/02	125.00
1980/05/03	142.30
1980/05/04	142.30
1980/05/05	128.20
1980/05/06	125.80
1980/05/07	162.60
1980/05/08	164.40
1980/05/09	138.10
1980/05/10	162.60
1980/05/11	184.20
1980/05/12	205.00
1980/05/13	213.50
1980/05/14	193.60
1980/05/15	156.30
1980/05/16	136.40
1980/05/17	164.40
1980/05/18	237.00
1980/05/19	259.00
1980/05/20	225.00
1980/05/21	179.70
1980/05/22	153.60
1980/05/23	107.50
1980/05/24	147.50
1980/05/25	199.30
1980/05/26	204.00
1980/05/27	193.60
1980/05/28	187.90
1980/05/29	197.40
1980/05/30	269.00
1980/05/31	315.00
1980/06/01	304.50
1980/06/02	243.00
1980/06/03	205.00
1980/06/04	212.60
1980/06/05	182.40
1980/06/06	148.30
1980/06/07	169.80
1980/06/08	182.40
1980/06/09	190.70
1980/06/10	195.50
1980/06/11	216.40
1980/06/12	224.00
1980/06/13	246.00
1980/06/14	242.00
1980/06/15	216.40
1980/06/16	210.70
1980/06/17	244.00
1980/06/18	267.00
1980/06/19	272.00
1980/06/20	296.10
1980/06/21	374.40
1980/06/22	385.70
1980/06/23	452.50
1980/06/24	529.70
1980/06/25	548.70
1980/06/26	536.40
1980/06/27	543.10
1980/06/28	534.20
1980/06/29	528.60
1980/06/30	533.10
1980/07/01	561.70
1980/07/02	567.70
1980/07/03	561.00
1980/07/04	532.00
1980/07/05	510.20
1980/07/06	477.20
1980/07/07	464.70
1980/07/08	433.70
1980/07/09	397.30
1980/07/10	380.10
1980/07/11	373.50
1980/07/12	369.90
1980/07/13	369.30
1980/07/14	300.30
1980/07/15	287.00
1980/07/16	269.00
1980/07/17	235.00
1980/07/18	204.00
1980/07/19	202.20
1980/07/20	208.80
1980/07/21	221.10
1980/07/22	302.40
1980/07/23	390.70
1980/07/24	470.10
1980/07/25	538.70
1980/07/26	582.90
1980/07/27	698.80
1980/07/28	826.30
1980/07/29	951.00
1980/07/30	1063.00
1980/07/31	1161.00
1980/08/01	1286.60
1980/08/02	1354.10
1980/08/03	1340.60
1980/08/04	1297.40
1980/08/05	1246.80
1980/08/06	1207.80
1980/08/07	1146.00
1980/08/08	1049.20
1980/08/09	963.60
1980/08/10	803.70
1980/08/11	681.20
1980/08/12	572.20
1980/08/13	567.00
1980/08/14	550.90
1980/08/15	517.10
1980/08/16	468.80
1980/08/17	411.60
1980/08/18	408.20
1980/08/19	435.00
1980/08/20	411.60
1980/08/21	394.80
1980/08/22	399.80
1980/08/23	459.30
1980/08/24	538.70
1980/08/25	570.00
1980/08/26	686.00
1980/08/27	875.00
1980/08/28	1046.90
1980/08/29	1028.50
1980/08/30	953.10
1980/08/31	903.00
1980/09/01	905.00
1980/09/02	911.10
1980/09/03	955.20
1980/09/04	1005.50
1980/09/05	1166.20
1980/09/06	1249.40
1980/09/07	1302.80
1980/09/08	1337.90
1980/09/09	1438.70
1980/09/10	1450.30
1980/09/11	1456.10
1980/09/12	1459.00
1980/09/13	1459.00
1980/09/14	1467.70
1980/09/15	1482.20
1980/09/16	1485.10
1980/09/17	1488.00
1980/09/18	1493.90
1980/09/19	1496.80
1980/09/20	1502.70
1980/09/21	1502.70
1980/09/22	1508.70
1980/09/23	1511.60
1980/09/24	1514.60
1980/09/25	1520.40
1980/09/26	1520.40
1980/09/27	1517.50
1980/09/28	1511.60
1980/09/29	1508.70
1980/09/30	1502.70
1980/10/01	1493.90
1980/10/02	1485.10
1980/10/03	1476.40
1980/10/04	1470.60
1980/10/05	1456.10
1980/10/06	1447.40
1980/10/07	1444.50
1980/10/08	1432.90
1980/10/09	1421.30
1980/10/10	1412.60
1980/10/11	1395.40
1980/10/12	1278.50
1980/10/13	1241.60
1980/10/14	1168.80
1980/10/15	1035.40
1980/10/16	909.00
1980/10/17	873.00
1980/10/18	942.60
1980/10/19	913.20
1980/10/20	863.00
1980/10/21	881.00
1980/10/22	861.00
1980/10/23	824.50
1980/10/24	813.10
1980/10/25	741.20
1980/10/26	777.30
1980/10/27	755.50
1980/10/28	732.30
1980/10/29	698.80
1980/10/30	658.80
1980/10/31	658.80
1980/11/01	628.40
1980/11/02	556.50
1980/11/03	508.40
1980/11/04	468.80
1980/11/05	451.20
1980/11/06	428.50
1980/11/07	407.30
1980/11/08	423.30
1980/11/09	482.40
1980/11/10	447.20
1980/11/11	429.80
1980/11/12	433.70
1980/11/13	429.80
1980/11/14	404.80
1980/11/15	394.80
1980/11/16	381.90
1980/11/17	375.00
1980/11/18	373.50
1980/11/19	378.60
1980/11/20	379.80
1980/11/21	376.50
1980/11/22	385.70
1980/11/23	463.30
1980/11/24	455.20
1980/11/25	462.00
1980/11/26	463.30
1980/11/27	404.00
1980/11/28	407.30
1980/11/29	462.00
1980/11/30	427.20
1980/12/01	392.30
1980/12/02	381.60
1980/12/03	381.90
1980/12/04	372.30
1980/12/05	372.60
1980/12/06	381.90
1980/12/07	377.70
1980/12/08	381.30
1980/12/09	374.10
1980/12/10	308.70
1980/12/11	373.20
1980/12/12	401.50
1980/12/13	403.20
1980/12/14	371.70
1980/12/15	267.00
1980/12/16	270.00
1980/12/17	292.00
1980/12/18	265.00
1980/12/19	299.30
1980/12/20	379.50
1980/12/21	378.90
1980/12/22	276.00
1980/12/23	198.30
1980/12/24	167.10
1980/12/25	159.00
1980/12/26	150.90
1980/12/27	145.80
1980/12/28	141.50
1980/12/29	137.20
1980/12/30	133.90
1980/12/31	141.50
#===========================================
# Number of observations = 275 / 366
# Average = 566.02