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	1.37
1980/04/02	1.37
1980/04/03	1.71
1980/04/04	1.54
1980/04/05	1.20
1980/04/06	1.14
1980/04/07	1.14
1980/04/08	1.14
1980/04/09	1.14
1980/04/10	1.14
1980/04/11	1.14
1980/04/12	1.14
1980/04/13	1.08
1980/04/14	1.08
1980/04/15	1.20
1980/04/16	2.05
1980/04/17	3.95
1980/04/18	1.71
1980/04/19	1.20
1980/04/20	1.08
1980/04/21	1.14
1980/04/22	1.20
1980/04/23	1.71
1980/04/24	1.20
1980/04/25	1.08
1980/04/26	1.02
1980/04/27	1.02
1980/04/28	0.96
1980/04/29	0.96
1980/04/30	1.02
1980/05/01	1.37
1980/05/02	2.22
1980/05/03	0.96
1980/05/04	0.96
1980/05/05	0.90
1980/05/06	0.96
1980/05/07	1.02
1980/05/08	0.96
1980/05/09	1.02
1980/05/10	7.31
1980/05/11	2.05
1980/05/12	1.37
1980/05/13	1.37
1980/05/14	1.14
1980/05/15	1.14
1980/05/16	1.20
1980/05/17	1.37
1980/05/18	1.88
1980/05/19	1.20
1980/05/20	1.14
1980/05/21	1.14
1980/05/22	1.20
1980/05/23	1.88
1980/05/24	2.56
1980/05/25	2.56
1980/05/26	3.74
1980/05/27	3.53
1980/05/28	3.53
1980/05/29	2.73
1980/05/30	2.39
1980/05/31	2.39
1980/06/01	2.22
1980/06/02	5.21
1980/06/03	31.33
1980/06/04	13.71
1980/06/05	12.65
1980/06/06	6.47
1980/06/07	5.63
1980/06/08	4.16
1980/06/09	3.53
1980/06/10	4.58
1980/06/11	6.26
1980/06/12	6.05
1980/06/13	6.05
1980/06/14	7.52
1980/06/15	7.10
1980/06/16	11.85
1980/06/17	12.65
1980/06/18	16.45
1980/06/19	8.78
1980/06/20	10.79
1980/06/21	8.78
1980/06/22	8.15
1980/06/23	8.78
1980/06/24	10.79
1980/06/25	23.10
1980/06/26	46.65
1980/06/27	65.00
1980/06/28	37.83
1980/06/29	18.08
1980/06/30	13.97
1980/07/01	13.18
1980/07/02	10.53
1980/07/03	8.99
1980/07/04	7.73
1980/07/05	7.94
1980/07/06	7.10
1980/07/07	6.47
1980/07/08	6.05
1980/07/09	5.84
1980/07/10	5.84
1980/07/11	5.42
1980/07/12	5.21
1980/07/13	5.21
1980/07/14	5.63
1980/07/15	6.89
1980/07/16	6.68
1980/07/17	6.26
1980/07/18	14.83
1980/07/19	18.08
1980/07/20	69.00
1980/07/21	52.05
1980/07/22	36.61
1980/07/23	28.37
1980/07/24	126.94
1980/07/25	60.10
1980/07/26	85.93
1980/07/27	125.78
1980/07/28	92.59
1980/07/29	62.50
1980/07/30	48.90
1980/07/31	39.45
1980/08/01	34.29
1980/08/02	31.70
1980/08/03	28.74
1980/08/04	24.50
1980/08/05	21.35
1980/08/06	39.05
1980/08/07	32.81
1980/08/08	23.80
1980/08/09	22.40
1980/08/10	18.40
1980/08/11	16.78
1980/08/12	15.48
1980/08/13	14.24
1980/08/14	13.71
1980/08/15	16.13
1980/08/16	19.05
1980/08/17	19.05
1980/08/18	17.75
1980/08/19	21.70
1980/08/20	22.40
1980/08/21	28.00
1980/08/22	26.95
1980/08/23	29.11
1980/08/24	89.26
1980/08/25	62.00
1980/08/26	39.05
1980/08/27	43.50
1980/08/28	32.07
1980/08/29	28.37
1980/08/30	24.85
1980/08/31	33.92
1980/09/01	56.30
1980/09/02	94.82
1980/09/03	76.77
1980/09/04	130.50
1980/09/05	142.50
1980/09/06	95.94
1980/09/07	74.65
1980/09/08	69.00
1980/09/09	61.53
1980/09/10	52.98
1980/09/11	64.00
1980/09/12	59.15
1980/09/13	113.02
1980/09/14	79.42
1980/09/15	78.36
1980/09/16	75.71
1980/09/17	60.10
1980/09/18	50.25
1980/09/19	43.10
1980/09/20	39.45
1980/09/21	37.02
1980/09/22	33.92
1980/09/23	31.33
1980/09/24	35.40
1980/09/25	33.18
1980/09/26	30.22
1980/09/27	30.59
1980/09/28	32.07
1980/09/29	33.18
1980/09/30	31.33
1980/10/01	30.22
1980/10/02	26.60
1980/10/03	24.50
1980/10/04	22.40
1980/10/05	21.35
1980/10/06	20.35
1980/10/07	20.03
1980/10/08	20.35
1980/10/09	19.37
1980/10/10	18.40
1980/10/11	17.75
1980/10/12	17.43
1980/10/13	19.05
1980/10/14	18.08
1980/10/15	16.78
1980/10/16	15.80
1980/10/17	15.80
1980/10/18	15.80
1980/10/19	15.48
1980/10/20	14.50
1980/10/21	14.24
1980/10/22	14.24
1980/10/23	14.83
1980/10/24	13.71
1980/10/25	13.18
1980/10/26	12.91
1980/10/27	12.38
1980/10/28	12.12
1980/10/29	11.85
1980/10/30	11.59
1980/10/31	11.59
1980/11/01	11.59
1980/11/02	11.32
1980/11/03	11.06
1980/11/04	10.53
1980/11/05	10.26
1980/11/06	10.00
1980/11/07	9.73
1980/11/08	9.73
1980/11/09	11.59
1980/11/10	10.00
1980/11/11	9.20
1980/11/12	8.99
1980/11/13	8.78
1980/11/14	8.78
1980/11/15	8.57
1980/11/16	8.36
1980/11/17	8.36
1980/11/18	8.36
1980/11/19	8.15
1980/11/20	7.94
1980/11/21	7.73
1980/11/22	7.73
1980/11/23	7.73
1980/11/24	7.73
1980/11/25	7.73
1980/11/26	7.52
1980/11/27	7.52
1980/11/28	7.31
1980/11/29	7.10
1980/11/30	6.89
1980/12/01	6.68
1980/12/02	6.47
1980/12/03	6.26
1980/12/04	6.26
1980/12/05	6.26
1980/12/06	6.05
1980/12/07	6.05
1980/12/08	6.05
1980/12/09	5.84
1980/12/10	5.84
1980/12/11	5.84
1980/12/12	11.59
1980/12/13	7.73
1980/12/14	6.47
1980/12/15	6.47
1980/12/16	6.26
1980/12/17	6.05
1980/12/18	5.84
1980/12/19	5.63
1980/12/20	5.63
1980/12/21	5.42
1980/12/22	5.42
1980/12/23	5.21
1980/12/24	5.21
1980/12/25	5.00
1980/12/26	5.00
1980/12/27	5.00
1980/12/28	5.00
1980/12/29	4.79
1980/12/30	4.79
1980/12/31	4.58
#===========================================
# Number of observations = 275 / 366
# Average = 19.00