1981/01/01	0
1981/01/02	0.03
1981/01/03	0.03
1981/01/04	0
1981/01/05	0
1981/01/06	0
1981/01/07	0
1981/01/08	0
1981/01/09	0
1981/01/10	0.01
1981/01/11	0
1981/01/12	0
1981/01/13	0
1981/01/14	0
1981/01/15	0
1981/01/16	0
1981/01/17	0
1981/01/18	0
1981/01/19	0
1981/01/20	0
1981/01/21	0
1981/01/22	0
1981/01/23	0
1981/01/24	0
1981/01/25	0
1981/01/26	0
1981/01/27	0
1981/01/28	0
1981/01/29	0
1981/01/30	0
1981/01/31	0
1981/02/01	0
1981/02/02	0
1981/02/03	0
1981/02/04	0
1981/02/05	0
1981/02/06	0
1981/02/07	0
1981/02/08	0
1981/02/09	0
1981/02/10	0
1981/02/11	0
1981/02/12	0
1981/02/13	0
1981/02/14	0
1981/02/15	0
1981/02/16	0
1981/02/17	0
1981/02/18	0
1981/02/19	0
1981/02/20	0
1981/02/21	0
1981/02/22	0
1981/02/23	0
1981/02/24	0
1981/02/25	0
1981/02/26	0
1981/02/27	0
1981/02/28	0
1981/03/01	0
1981/03/02	0
1981/03/03	0
1981/03/04	0
1981/03/05	0
1981/03/06	0
1981/03/07	0
1981/03/08	0
1981/03/09	0
1981/03/10	0
1981/03/11	0
1981/03/12	0
1981/03/13	0
1981/03/14	0
1981/03/15	0
1981/03/16	0
1981/03/17	0
1981/03/18	0
1981/03/19	0
1981/03/20	0
1981/03/21	0
1981/03/22	0
1981/03/23	0
1981/03/24	0
1981/03/25	0
1981/03/26	0
1981/03/27	0
1981/03/28	0
1981/03/29	0
1981/03/30	0
1981/03/31	0
1981/04/01	0
1981/04/02	0
1981/04/03	0
1981/04/04	0
1981/04/05	0
1981/04/06	0
1981/04/07	0
1981/04/08	0
1981/04/09	0
1981/04/10	0
1981/04/11	0
1981/04/12	0
1981/04/13	0
1981/04/14	0
1981/04/15	0
1981/04/16	0
1981/04/17	0
1981/04/18	0
1981/04/19	0
1981/04/20	0
1981/04/21	0
1981/04/22	0
1981/04/23	0
1981/04/24	0
1981/04/25	0
1981/04/26	0
1981/04/27	0
1981/04/28	0
1981/04/29	0
1981/04/30	0
1981/05/01	0
1981/05/02	0
1981/05/03	0
1981/05/04	0
1981/05/05	0
1981/05/06	0
1981/05/07	0
1981/05/08	0
1981/05/09	0
1981/05/10	0
1981/05/11	0
1981/05/12	0
1981/05/13	0
1981/05/14	0
1981/05/15	0
1981/05/16	0
1981/05/17	0.14
1981/05/18	0.35
1981/05/19	0.85
1981/05/20	1.62
1981/05/21	1.15
1981/05/22	0.85
1981/05/23	20.28
1981/05/24	176.00
1981/05/25	77.70
1981/05/26	24.58
1981/05/27	13.72
1981/05/28	9.50
1981/05/29	9.94
1981/05/30	6.64
1981/05/31	6.42
1981/06/01	4.92
1981/06/02	4.60
1981/06/03	4.76
1981/06/04	2.82
1981/06/05	2.19
1981/06/06	1.86
1981/06/07	2.37
1981/06/08	1.70
1981/06/09	1.94
1981/06/10	1.46
1981/06/11	1.15
1981/06/12	1.00
1981/06/13	0.95
1981/06/14	1.62
1981/06/15	1.25
1981/06/16	1.10
1981/06/17	1.86
1981/06/18	1.54
1981/06/19	1.30
1981/06/20	1.15
1981/06/21	1.86
1981/06/22	3.32
1981/06/23	3.16
1981/06/24	2.82
1981/06/25	2.55
1981/06/26	3.96
1981/06/27	3.16
1981/06/28	3.16
1981/06/29	2.64
1981/06/30	1.86
1981/07/01	1.30
1981/07/02	1.15
1981/07/03	0.95
1981/07/04	0.80
1981/07/05	0.70
1981/07/06	20.60
1981/07/07	226.58
1981/07/08	96.75
1981/07/09	27.45
1981/07/10	18.36
1981/07/11	40.15
1981/07/12	24.58
1981/07/13	16.44
1981/07/14	10.16
1981/07/15	7.52
1981/07/16	5.88
1981/07/17	7.96
1981/07/18	6.20
1981/07/19	5.88
1981/07/20	6.64
1981/07/21	15.28
1981/07/22	44.65
1981/07/23	24.58
1981/07/24	15.28
1981/07/25	43.75
1981/07/26	23.56
1981/07/27	30.78
1981/07/28	44.65
1981/07/29	50.00
1981/07/30	42.40
1981/07/31	75.30
1981/08/01	44.65
1981/08/02	33.80
1981/08/03	49.00
1981/08/04	34.20
1981/08/05	51.50
1981/08/06	122.10
1981/08/07	48.00
1981/08/08	33.40
1981/08/09	23.90
1981/08/10	16.44
1981/08/11	172.00
1981/08/12	74.70
1981/08/13	55.00
1981/08/14	28.19
1981/08/15	21.24
1981/08/16	14.50
1981/08/17	11.64
1981/08/18	8.62
1981/08/19	9.72
1981/08/20	10.38
1981/08/21	20.28
1981/08/22	15.02
1981/08/23	10.86
1981/08/24	10.60
1981/08/25	10.60
1981/08/26	8.84
1981/08/27	7.30
1981/08/28	6.04
1981/08/29	5.40
1981/08/30	7.08
1981/08/31	5.40
1981/09/01	5.40
1981/09/02	41.50
1981/09/03	25.26
1981/09/04	19.32
1981/09/05	16.44
1981/09/06	15.80
1981/09/07	12.94
1981/09/08	106.90
1981/09/09	39.25
1981/09/10	23.22
1981/09/11	12.16
1981/09/12	11.12
1981/09/13	9.28
1981/09/14	7.30
1981/09/15	6.04
1981/09/16	5.08
1981/09/17	4.44
1981/09/18	3.80
1981/09/19	3.64
1981/09/20	5.24
1981/09/21	4.44
1981/09/22	5.40
1981/09/23	4.44
1981/09/24	6.20
1981/09/25	11.12
1981/09/26	29.67
1981/09/27	12.94
1981/09/28	7.74
1981/09/29	7.52
1981/09/30	5.72
1981/10/01	4.92
1981/10/02	4.12
1981/10/03	4.60
1981/10/04	5.72
1981/10/05	4.44
1981/10/06	4.76
1981/10/07	5.24
1981/10/08	4.76
1981/10/09	6.20
1981/10/10	9.94
1981/10/11	105.30
1981/10/12	40.15
1981/10/13	24.58
1981/10/14	15.80
1981/10/15	11.90
1981/10/16	11.64
1981/10/17	19.64
1981/10/18	30.41
1981/10/19	19.64
1981/10/20	12.94
1981/10/21	10.60
1981/10/22	9.72
1981/10/23	8.62
1981/10/24	7.74
1981/10/25	7.96
1981/10/26	7.52
1981/10/27	5.72
1981/10/28	4.76
1981/10/29	3.80
1981/10/30	3.48
1981/10/31	3.16
1981/11/01	2.91
1981/11/02	2.55
1981/11/03	2.55
1981/11/04	2.55
1981/11/05	2.55
1981/11/06	2.55
1981/11/07	2.46
1981/11/08	2.46
1981/11/09	2.46
1981/11/10	2.28
1981/11/11	2.46
1981/11/12	2.28
1981/11/13	2.02
1981/11/14	2.19
1981/11/15	2.19
1981/11/16	2.55
1981/11/17	3.80
1981/11/18	14.24
1981/11/19	11.12
1981/11/20	7.74
1981/11/21	5.72
1981/11/22	4.44
1981/11/23	3.32
1981/11/24	2.82
1981/11/25	2.73
1981/11/26	2.82
1981/11/27	2.46
1981/11/28	2.28
1981/11/29	2.10
1981/11/30	2.02
1981/12/01	1.86
1981/12/02	1.54
1981/12/03	1.46
1981/12/04	1.30
1981/12/05	1.20
1981/12/06	1.15
1981/12/07	1.15
1981/12/08	1.15
1981/12/09	0.90
1981/12/10	0.95
1981/12/11	1.10
1981/12/12	1.05
1981/12/13	1.00
1981/12/14	0.95
1981/12/15	0.95
1981/12/16	0.80
1981/12/17	0.70
1981/12/18	0.70
1981/12/19	0.80
1981/12/20	0.75
1981/12/21	0.80
1981/12/22	0.75
1981/12/23	0.70
1981/12/24	0.65
1981/12/25	0.60
1981/12/26	0.70
1981/12/27	0.75
1981/12/28	0.75
1981/12/29	0.60
1981/12/30	0.50
1981/12/31	0.45
#===========================================
# Number of observations = 365 / 365
# Average = 9.18