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	1.90
1980/04/02	2.00
1980/04/03	1.90
1980/04/04	1.90
1980/04/05	1.90
1980/04/06	1.90
1980/04/07	1.90
1980/04/08	1.90
1980/04/09	1.90
1980/04/10	1.80
1980/04/11	1.70
1980/04/12	1.70
1980/04/13	1.60
1980/04/14	1.60
1980/04/15	5.00
1980/04/16	9.50
1980/04/17	7.60
1980/04/18	1.50
1980/04/19	6.80
1980/04/20	6.20
1980/04/21	5.80
1980/04/22	5.00
1980/04/23	4.80
1980/04/24	4.20
1980/04/25	3.80
1980/04/26	3.40
1980/04/27	3.20
1980/04/28	4.20
1980/04/29	4.00
1980/04/30	3.40
1980/05/01	3.00
1980/05/02	2.60
1980/05/03	2.40
1980/05/04	2.60
1980/05/05	2.60
1980/05/06	2.60
1980/05/07	2.60
1980/05/08	2.80
1980/05/09	2.80
1980/05/10	6.60
1980/05/11	9.50
1980/05/12	6.00
1980/05/13	4.40
1980/05/14	3.60
1980/05/15	3.00
1980/05/16	2.80
1980/05/17	2.60
1980/05/18	2.40
1980/05/19	6.60
1980/05/20	11.30
1980/05/21	6.20
1980/05/22	8.90
1980/05/23	17.30
1980/05/24	20.00
1980/05/25	16.70
1980/05/26	19.40
1980/05/27	20.00
1980/05/28	35.50
1980/05/29	27.50
1980/05/30	18.20
1980/05/31	14.30
1980/06/01	21.00
1980/06/02	36.50
1980/06/03	50.80
1980/06/04	37.00
1980/06/05	25.50
1980/06/06	55.50
1980/06/07	151.20
1980/06/08	99.80
1980/06/09	60.40
1980/06/10	46.00
1980/06/11	41.80
1980/06/12	39.50
1980/06/13	53.40
1980/06/14	46.00
1980/06/15	52.70
1980/06/16	73.00
1980/06/17	69.50
1980/06/18	61.10
1980/06/19	58.30
1980/06/20	96.60
1980/06/21	91.80
1980/06/22	144.00
1980/06/23	166.50
1980/06/24	151.20
1980/06/25	126.20
1980/06/26	101.40
1980/06/27	87.00
1980/06/28	77.90
1980/06/29	78.60
1980/06/30	88.60
1980/07/01	90.20
1980/07/02	82.10
1980/07/03	56.90
1980/07/04	40.00
1980/07/05	31.50
1980/07/06	26.50
1980/07/07	22.50
1980/07/08	19.70
1980/07/09	17.90
1980/07/10	16.10
1980/07/11	15.20
1980/07/12	13.70
1980/07/13	12.80
1980/07/14	13.70
1980/07/15	13.10
1980/07/16	11.60
1980/07/17	12.20
1980/07/18	12.80
1980/07/19	14.90
1980/07/20	12.50
1980/07/21	14.90
1980/07/22	19.40
1980/07/23	92.60
1980/07/24	82.80
1980/07/25	127.00
1980/07/26	111.00
1980/07/27	278.40
1980/07/28	438.60
1980/07/29	542.50
1980/07/30	612.80
1980/07/31	455.50
1980/08/01	291.60
1980/08/02	237.70
1980/08/03	217.00
1980/08/04	189.00
1980/08/05	143.10
1980/08/06	112.60
1980/08/07	89.40
1980/08/08	74.40
1980/08/09	65.30
1980/08/10	59.00
1980/08/11	56.20
1980/08/12	59.00
1980/08/13	54.10
1980/08/14	46.00
1980/08/15	39.50
1980/08/16	34.50
1980/08/17	33.50
1980/08/18	39.50
1980/08/19	49.00
1980/08/20	84.90
1980/08/21	75.80
1980/08/22	91.00
1980/08/23	112.60
1980/08/24	127.80
1980/08/25	137.70
1980/08/26	173.70
1980/08/27	482.50
1980/08/28	339.80
1980/08/29	206.00
1980/08/30	152.10
1980/08/31	133.40
1980/09/01	163.80
1980/09/02	844.60
1980/09/03	1057.00
1980/09/04	972.10
1980/09/05	668.20
1980/09/06	702.20
1980/09/07	1063.00
1980/09/08	1235.00
1980/09/09	1207.00
1980/09/10	1073.00
1980/09/11	681.80
1980/09/12	491.50
1980/09/13	499.00
1980/09/14	454.00
1980/09/15	409.20
1980/09/16	441.40
1980/09/17	455.50
1980/09/18	409.20
1980/09/19	399.40
1980/09/20	457.00
1980/09/21	393.80
1980/09/22	287.20
1980/09/23	267.40
1980/09/24	226.70
1980/09/25	227.80
1980/09/26	203.00
1980/09/27	174.60
1980/09/28	186.30
1980/09/29	189.00
1980/09/30	192.00
1980/10/01	160.20
1980/10/02	160.20
1980/10/03	161.10
1980/10/04	186.30
1980/10/05	155.70
1980/10/06	125.40
1980/10/07	107.80
1980/10/08	107.00
1980/10/09	111.00
1980/10/10	115.00
1980/10/11	111.00
1980/10/12	102.20
1980/10/13	93.40
1980/10/14	84.90
1980/10/15	83.50
1980/10/16	82.10
1980/10/17	126.20
1980/10/18	71.60
1980/10/19	61.10
1980/10/20	53.40
1980/10/21	50.20
1980/10/22	128.60
1980/10/23	111.80
1980/10/24	103.00
1980/10/25	91.80
1980/10/26	81.40
1980/10/27	75.80
1980/10/28	71.60
1980/10/29	61.10
1980/10/30	53.40
1980/10/31	50.20
1980/11/01	49.60
1980/11/02	47.20
1980/11/03	45.40
1980/11/04	40.60
1980/11/05	38.50
1980/11/06	36.50
1980/11/07	35.50
1980/11/08	34.50
1980/11/09	47.80
1980/11/10	97.40
1980/11/11	62.50
1980/11/12	49.00
1980/11/13	43.00
1980/11/14	39.50
1980/11/15	38.00
1980/11/16	37.00
1980/11/17	35.50
1980/11/18	33.50
1980/11/19	31.00
1980/11/20	30.50
1980/11/21	29.50
1980/11/22	27.00
1980/11/23	25.00
1980/11/24	24.50
1980/11/25	24.50
1980/11/26	25.00
1980/11/27	24.50
1980/11/28	24.00
1980/11/29	23.50
1980/11/30	23.00
1980/12/01	22.50
1980/12/02	21.50
1980/12/03	21.50
1980/12/04	20.50
1980/12/05	19.70
1980/12/06	19.40
1980/12/07	18.80
1980/12/08	18.20
1980/12/09	17.60
1980/12/10	17.00
1980/12/11	16.10
1980/12/12	16.10
1980/12/13	16.40
1980/12/14	15.80
1980/12/15	15.50
1980/12/16	14.90
1980/12/17	14.60
1980/12/18	17.90
1980/12/19	21.00
1980/12/20	18.80
1980/12/21	17.00
1980/12/22	15.50
1980/12/23	14.60
1980/12/24	13.40
1980/12/25	12.80
1980/12/26	12.50
1980/12/27	12.50
1980/12/28	12.50
1980/12/29	11.90
1980/12/30	11.90
1980/12/31	11.60
#===========================================
# Number of observations = 275 / 366
# Average = 112.01