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	111.30
1980/04/02	106.80
1980/04/03	99.60
1980/04/04	93.60
1980/04/05	110.40
1980/04/06	113.10
1980/04/07	110.40
1980/04/08	114.00
1980/04/09	111.30
1980/04/10	103.20
1980/04/11	92.80
1980/04/12	91.20
1980/04/13	109.50
1980/04/14	112.20
1980/04/15	106.80
1980/04/16	89.60
1980/04/17	70.90
1980/04/18	61.80
1980/04/19	82.40
1980/04/20	105.90
1980/04/21	114.00
1980/04/22	99.60
1980/04/23	94.40
1980/04/24	90.40
1980/04/25	84.00
1980/04/26	90.40
1980/04/27	91.20
1980/04/28	90.40
1980/04/29	96.90
1980/04/30	103.20
1980/05/01	99.60
1980/05/02	93.60
1980/05/03	103.20
1980/05/04	107.70
1980/05/05	100.50
1980/05/06	92.00
1980/05/07	117.60
1980/05/08	127.50
1980/05/09	108.60
1980/05/10	120.30
1980/05/11	142.00
1980/05/12	162.00
1980/05/13	174.20
1980/05/14	163.00
1980/05/15	133.00
1980/05/16	106.80
1980/05/17	121.20
1980/05/18	183.00
1980/05/19	214.90
1980/05/20	195.10
1980/05/21	159.00
1980/05/22	122.10
1980/05/23	131.10
1980/05/24	240.20
1980/05/25	301.00
1980/05/26	286.60
1980/05/27	254.50
1980/05/28	231.40
1980/05/29	224.80
1980/05/30	266.60
1980/05/31	305.80
1980/06/01	309.40
1980/06/02	267.70
1980/06/03	231.40
1980/06/04	230.30
1980/06/05	209.40
1980/06/06	179.70
1980/06/07	187.40
1980/06/08	207.20
1980/06/09	216.00
1980/06/10	222.60
1980/06/11	239.10
1980/06/12	250.10
1980/06/13	269.90
1980/06/14	274.60
1980/06/15	262.20
1980/06/16	258.90
1980/06/17	286.60
1980/06/18	307.00
1980/06/19	310.60
1980/06/20	329.40
1980/06/21	364.50
1980/06/22	400.40
1980/06/23	470.40
1980/06/24	536.60
1980/06/25	567.90
1980/06/26	565.00
1980/06/27	570.90
1980/06/28	566.40
1980/06/29	557.50
1980/06/30	562.00
1980/07/01	585.80
1980/07/02	597.70
1980/07/03	591.80
1980/07/04	562.00
1980/07/05	548.60
1980/07/06	529.20
1980/07/07	517.30
1980/07/08	491.90
1980/07/09	457.80
1980/07/10	420.00
1980/07/11	399.00
1980/07/12	389.20
1980/07/13	383.60
1980/07/14	371.00
1980/07/15	354.10
1980/07/16	338.50
1980/07/17	309.40
1980/07/18	279.40
1980/07/19	274.60
1980/07/20	283.00
1980/07/21	293.80
1980/07/22	358.00
1980/07/23	435.40
1980/07/24	511.30
1980/07/25	565.00
1980/07/26	617.10
1980/07/27	698.00
1980/07/28	808.20
1980/07/29	920.40
1980/07/30	1024.00
1980/07/31	1106.00
1980/08/01	1181.60
1980/08/02	1232.90
1980/08/03	1241.00
1980/08/04	1216.70
1980/08/05	1187.00
1980/08/06	1168.10
1980/08/07	1127.60
1980/08/08	1061.80
1980/08/09	989.00
1980/08/10	854.40
1980/08/11	736.90
1980/08/12	649.60
1980/08/13	624.60
1980/08/14	606.70
1980/08/15	572.40
1980/08/16	538.10
1980/08/17	487.50
1980/08/18	478.80
1980/08/19	505.30
1980/08/20	490.50
1980/08/21	467.60
1980/08/22	469.00
1980/08/23	521.70
1980/08/24	584.30
1980/08/25	621.60
1980/08/26	707.00
1980/08/27	865.40
1980/08/28	1021.50
1980/08/29	1026.50
1980/08/30	974.00
1980/08/31	927.60
1980/09/01	930.00
1980/09/02	932.40
1980/09/03	969.00
1980/09/04	1009.00
1980/09/05	1127.60
1980/09/06	1184.30
1980/09/07	1216.70
1980/09/08	1238.30
1980/09/09	1308.60
1980/09/10	1320.20
1980/09/11	1331.80
1980/09/12	1337.60
1980/09/13	1343.40
1980/09/14	1349.20
1980/09/15	1355.00
1980/09/16	1366.60
1980/09/17	1366.60
1980/09/18	1372.40
1980/09/19	1378.20
1980/09/20	1389.80
1980/09/21	1392.70
1980/09/22	1401.40
1980/09/23	1410.10
1980/09/24	1421.70
1980/09/25	1427.50
1980/09/26	1436.20
1980/09/27	1439.10
1980/09/28	1439.10
1980/09/29	1442.00
1980/09/30	1442.00
1980/10/01	1444.90
1980/10/02	1447.80
1980/10/03	1444.90
1980/10/04	1435.80
1980/10/05	1440.00
1980/10/06	1427.40
1980/10/07	1431.60
1980/10/08	1435.80
1980/10/09	1431.60
1980/10/10	1427.40
1980/10/11	1419.00
1980/10/12	1419.00
1980/10/13	1389.80
1980/10/14	1365.20
1980/10/15	1321.90
1980/10/16	1251.70
1980/10/17	1212.70
1980/10/18	1228.30
1980/10/19	1208.80
1980/10/20	1171.40
1980/10/21	1160.30
1980/10/22	1138.10
1980/10/23	1108.50
1980/10/24	1093.70
1980/10/25	1049.60
1980/10/26	963.60
1980/10/27	905.00
1980/10/28	866.90
1980/10/29	820.00
1980/10/30	770.00
1980/10/31	753.10
1980/11/01	717.00
1980/11/02	650.20
1980/11/03	605.00
1980/11/04	571.20
1980/11/05	549.10
1980/11/06	525.60
1980/11/07	502.80
1980/11/08	499.20
1980/11/09	618.60
1980/11/10	590.30
1980/11/11	570.90
1980/11/12	565.00
1980/11/13	557.50
1980/11/14	530.70
1980/11/15	515.80
1980/11/16	491.90
1980/11/17	462.00
1980/11/18	448.00
1980/11/19	457.80
1980/11/20	453.60
1980/11/21	439.60
1980/11/22	448.00
1980/11/23	508.30
1980/11/24	505.30
1980/11/25	493.40
1980/11/26	494.90
1980/11/27	441.00
1980/11/28	427.00
1980/11/29	467.60
1980/11/30	448.00
1980/12/01	406.00
1980/12/02	376.60
1980/12/03	371.00
1980/12/04	343.70
1980/12/05	328.10
1980/12/06	360.60
1980/12/07	354.10
1980/12/08	356.70
1980/12/09	345.00
1980/12/10	316.60
1980/12/11	326.80
1980/12/12	380.80
1980/12/13	396.20
1980/12/14	334.60
1980/12/15	271.00
1980/12/16	253.40
1980/12/17	267.70
1980/12/18	255.60
1980/12/19	264.40
1980/12/20	319.00
1980/12/21	328.10
1980/12/22	269.90
1980/12/23	199.50
1980/12/24	157.00
1980/12/25	142.00
1980/12/26	134.00
1980/12/27	126.60
1980/12/28	120.30
1980/12/29	115.80
1980/12/30	111.30
1980/12/31	111.30
#===========================================
# Number of observations = 275 / 366
# Average = 583.89