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	121.00
1980/04/02	116.50
1980/04/03	100.70
1980/04/04	121.70
1980/04/05	138.20
1980/04/06	119.50
1980/04/07	130.00
1980/04/08	126.20
1980/04/09	115.70
1980/04/10	104.50
1980/04/11	99.30
1980/04/12	127.70
1980/04/13	133.80
1980/04/14	127.00
1980/04/15	100.00
1980/04/16	81.00
1980/04/17	60.50
1980/04/18	98.70
1980/04/19	118.80
1980/04/20	119.50
1980/04/21	112.70
1980/04/22	112.70
1980/04/23	111.20
1980/04/24	100.70
1980/04/25	111.20
1980/04/26	109.00
1980/04/27	103.70
1980/04/28	118.00
1980/04/29	122.50
1980/04/30	118.00
1980/05/01	107.50
1980/05/02	124.00
1980/05/03	124.70
1980/05/04	113.50
1980/05/05	109.70
1980/05/06	133.80
1980/05/07	151.40
1980/05/08	121.00
1980/05/09	138.20
1980/05/10	160.20
1980/05/11	181.50
1980/05/12	195.90
1980/05/13	177.90
1980/05/14	148.20
1980/05/15	179.70
1980/05/16	141.30
1980/05/17	195.90
1980/05/18	244.40
1980/05/19	213.00
1980/05/20	161.80
1980/05/21	121.00
1980/05/22	88.90
1980/05/23	91.50
1980/05/24	115.00
1980/05/25	133.80
1980/05/26	139.70
1980/05/27	146.60
1980/05/28	147.40
1980/05/29	218.70
1980/05/30	279.40
1980/05/31	281.50
1980/06/01	214.00
1980/06/02	159.40
1980/06/03	170.60
1980/06/04	153.80
1980/06/05	112.70
1980/06/06	131.50
1980/06/07	145.00
1980/06/08	153.00
1980/06/09	157.80
1980/06/10	171.40
1980/06/11	182.40
1980/06/12	187.80
1980/06/13	192.30
1980/06/14	175.40
1980/06/15	166.60
1980/06/16	179.70
1980/06/17	210.30
1980/06/18	218.70
1980/06/19	233.00
1980/06/20	267.00
1980/06/21	309.60
1980/06/22	374.40
1980/06/23	446.70
1980/06/24	472.80
1980/06/25	445.50
1980/06/26	415.50
1980/06/27	404.40
1980/06/28	382.80
1980/06/29	380.40
1980/06/30	396.00
1980/07/01	421.70
1980/07/02	416.70
1980/07/03	399.60
1980/07/04	388.80
1980/07/05	361.20
1980/07/06	346.20
1980/07/07	331.30
1980/07/08	318.60
1980/07/09	370.80
1980/07/10	249.10
1980/07/11	233.00
1980/07/12	236.70
1980/07/13	234.80
1980/07/14	207.60
1980/07/15	208.50
1980/07/16	174.60
1980/07/17	134.50
1980/07/18	127.70
1980/07/19	142.00
1980/07/20	142.00
1980/07/21	159.40
1980/07/22	202.20
1980/07/23	247.20
1980/07/24	381.60
1980/07/25	339.30
1980/07/26	428.00
1980/07/27	524.20
1980/07/28	678.40
1980/07/29	817.50
1980/07/30	958.00
1980/07/31	1111.40
1980/08/01	1247.00
1980/08/02	1259.00
1980/08/03	972.00
1980/08/04	865.00
1980/08/05	785.60
1980/08/06	703.60
1980/08/07	644.70
1980/08/08	591.00
1980/08/09	556.50
1980/08/10	544.00
1980/08/11	474.20
1980/08/12	449.20
1980/08/13	445.50
1980/08/14	410.50
1980/08/15	372.00
1980/08/16	330.10
1980/08/17	300.80
1980/08/18	346.20
1980/08/19	345.00
1980/08/20	307.40
1980/08/21	289.90
1980/08/22	342.70
1980/08/23	420.50
1980/08/24	459.40
1980/08/25	539.60
1980/08/26	673.60
1980/08/27	910.30
1980/08/28	972.40
1980/08/29	905.00
1980/08/30	807.00
1980/08/31	770.20
1980/09/01	737.00
1980/09/02	791.20
1980/09/03	829.80
1980/09/04	913.80
1980/09/05	1070.90
1980/09/06	1130.90
1980/09/07	1148.40
1980/09/08	1219.00
1980/09/09	1405.00
1980/09/10	1417.00
1980/09/11	1417.00
1980/09/12	1365.00
1980/09/13	1333.00
1980/09/14	1317.00
1980/09/15	1262.50
1980/09/16	1225.00
1980/09/17	1191.30
1980/09/18	1321.00
1980/09/19	1371.00
1980/09/20	1395.00
1980/09/21	1391.00
1980/09/22	1397.00
1980/09/23	1341.00
1980/09/24	1305.00
1980/09/25	1262.50
1980/09/26	1213.70
1980/09/27	1172.50
1980/09/28	1135.00
1980/09/29	1117.50
1980/09/30	1107.00
1980/10/01	1020.00
1980/10/02	980.30
1980/10/03	977.50
1980/10/04	947.50
1980/10/05	912.50
1980/10/06	917.50
1980/10/07	922.50
1980/10/08	847.80
1980/10/09	834.90
1980/10/10	837.10
1980/10/11	811.30
1980/10/12	764.20
1980/10/13	726.90
1980/10/14	650.10
1980/10/15	594.70
1980/10/16	558.50
1980/10/17	556.50
1980/10/18	808.70
1980/10/19	726.60
1980/10/20	696.00
1980/10/21	716.40
1980/10/22	673.60
1980/10/23	657.80
1980/10/24	631.40
1980/10/25	536.80
1980/10/26	436.80
1980/10/27	396.00
1980/10/28	390.00
1980/10/29	341.60
1980/10/30	330.10
1980/10/31	350.80
1980/11/01	282.50
1980/11/02	226.30
1980/11/03	198.60
1980/11/04	193.80
1980/11/05	205.80
1980/11/06	189.60
1980/11/07	195.90
1980/11/08	315.20
1980/11/09	272.00
1980/11/10	243.40
1980/11/11	237.70
1980/11/12	244.40
1980/11/13	216.80
1980/11/14	202.20
1980/11/15	193.20
1980/11/16	161.00
1980/11/17	182.20
1980/11/18	177.90
1980/11/19	195.90
1980/11/20	199.50
1980/11/21	166.60
1980/11/22	282.50
1980/11/23	305.20
1980/11/24	272.00
1980/11/25	299.70
1980/11/26	225.40
1980/11/27	191.40
1980/11/28	262.00
1980/11/29	271.00
1980/11/30	248.20
1980/12/01	230.10
1980/12/02	230.10
1980/12/03	239.60
1980/12/04	220.60
1980/12/05	282.50
1980/12/06	284.60
1980/12/07	274.10
1980/12/08	283.60
1980/12/09	224.40
1980/12/10	254.00
1980/12/11	303.00
1980/12/12	361.20
1980/12/13	281.50
1980/12/14	204.90
1980/12/15	199.50
1980/12/16	229.20
1980/12/17	222.50
1980/12/18	210.30
1980/12/19	299.70
1980/12/20	306.30
1980/12/21	269.00
1980/12/22	169.00
1980/12/23	120.30
1980/12/24	113.50
1980/12/25	109.00
1980/12/26	99.30
1980/12/27	99.30
1980/12/28	98.70
1980/12/29	96.10
1980/12/30	96.10
1980/12/31	125.50
#===========================================
# Number of observations = 275 / 366
# Average = 427.13