1987/01/01	-9999
1987/01/02	-9999
1987/01/03	-9999
1987/01/04	-9999
1987/01/05	-9999
1987/01/06	-9999
1987/01/07	-9999
1987/01/08	-9999
1987/01/09	-9999
1987/01/10	-9999
1987/01/11	-9999
1987/01/12	-9999
1987/01/13	-9999
1987/01/14	-9999
1987/01/15	-9999
1987/01/16	-9999
1987/01/17	-9999
1987/01/18	-9999
1987/01/19	-9999
1987/01/20	-9999
1987/01/21	-9999
1987/01/22	-9999
1987/01/23	-9999
1987/01/24	-9999
1987/01/25	-9999
1987/01/26	-9999
1987/01/27	-9999
1987/01/28	-9999
1987/01/29	-9999
1987/01/30	-9999
1987/01/31	-9999
1987/02/01	-9999
1987/02/02	-9999
1987/02/03	-9999
1987/02/04	-9999
1987/02/05	-9999
1987/02/06	-9999
1987/02/07	-9999
1987/02/08	-9999
1987/02/09	-9999
1987/02/10	-9999
1987/02/11	-9999
1987/02/12	-9999
1987/02/13	-9999
1987/02/14	-9999
1987/02/15	-9999
1987/02/16	-9999
1987/02/17	-9999
1987/02/18	-9999
1987/02/19	-9999
1987/02/20	-9999
1987/02/21	-9999
1987/02/22	-9999
1987/02/23	-9999
1987/02/24	-9999
1987/02/25	-9999
1987/02/26	-9999
1987/02/27	-9999
1987/02/28	-9999
1987/03/01	-9999
1987/03/02	-9999
1987/03/03	-9999
1987/03/04	-9999
1987/03/05	-9999
1987/03/06	-9999
1987/03/07	-9999
1987/03/08	-9999
1987/03/09	-9999
1987/03/10	-9999
1987/03/11	-9999
1987/03/12	-9999
1987/03/13	-9999
1987/03/14	-9999
1987/03/15	-9999
1987/03/16	-9999
1987/03/17	-9999
1987/03/18	-9999
1987/03/19	-9999
1987/03/20	-9999
1987/03/21	-9999
1987/03/22	-9999
1987/03/23	-9999
1987/03/24	-9999
1987/03/25	-9999
1987/03/26	-9999
1987/03/27	-9999
1987/03/28	-9999
1987/03/29	-9999
1987/03/30	-9999
1987/03/31	-9999
1987/04/01	0.12
1987/04/02	0.13
1987/04/03	0.13
1987/04/04	0.14
1987/04/05	0.15
1987/04/06	0.15
1987/04/07	0.15
1987/04/08	0.14
1987/04/09	0.14
1987/04/10	0.13
1987/04/11	0.13
1987/04/12	0.13
1987/04/13	0.15
1987/04/14	0.19
1987/04/15	0.19
1987/04/16	0.15
1987/04/17	0.13
1987/04/18	0.13
1987/04/19	0.47
1987/04/20	0.71
1987/04/21	0.47
1987/04/22	0.33
1987/04/23	0.85
1987/04/24	0.71
1987/04/25	0.57
1987/04/26	0.36
1987/04/27	0.43
1987/04/28	0.71
1987/04/29	1.06
1987/04/30	1.20
1987/05/01	1.46
1987/05/02	1.06
1987/05/03	1.06
1987/05/04	0.85
1987/05/05	0.85
1987/05/06	3.85
1987/05/07	2.95
1987/05/08	1.33
1987/05/09	1.06
1987/05/10	0.85
1987/05/11	0.50
1987/05/12	0.43
1987/05/13	0.29
1987/05/14	0.22
1987/05/15	0.19
1987/05/16	0.15
1987/05/17	0.14
1987/05/18	0.13
1987/05/19	0.12
1987/05/20	0.12
1987/05/21	0.10
1987/05/22	0.10
1987/05/23	0.09
1987/05/24	0.40
1987/05/25	2.11
1987/05/26	2.65
1987/05/27	8.97
1987/05/28	6.70
1987/05/29	11.52
1987/05/30	16.48
1987/05/31	15.36
1987/06/01	12.56
1987/06/02	11.76
1987/06/03	11.52
1987/06/04	11.04
1987/06/05	11.04
1987/06/06	12.84
1987/06/07	14.52
1987/06/08	19.84
1987/06/09	28.34
1987/06/10	17.92
1987/06/11	10.32
1987/06/12	7.92
1987/06/13	6.30
1987/06/14	6.10
1987/06/15	6.30
1987/06/16	7.71
1987/06/17	6.50
1987/06/18	5.20
1987/06/19	4.90
1987/06/20	4.45
1987/06/21	4.30
1987/06/22	3.70
1987/06/23	2.80
1987/06/24	1.98
1987/06/25	1.59
1987/06/26	1.13
1987/06/27	0.78
1987/06/28	0.57
1987/06/29	0.50
1987/06/30	0.50
1987/07/01	0.43
1987/07/02	0.36
1987/07/03	0.33
1987/07/04	0.33
1987/07/05	0.33
1987/07/06	0.33
1987/07/07	0.36
1987/07/08	0.36
1987/07/09	0.43
1987/07/10	0.50
1987/07/11	0.47
1987/07/12	0.43
1987/07/13	0.40
1987/07/14	0.36
1987/07/15	0.36
1987/07/16	0.33
1987/07/17	0.29
1987/07/18	0.29
1987/07/19	0.33
1987/07/20	0.33
1987/07/21	0.29
1987/07/22	0.26
1987/07/23	0.22
1987/07/24	0.19
1987/07/25	0.15
1987/07/26	0.14
1987/07/27	0.13
1987/07/28	0.13
1987/07/29	0.12
1987/07/30	0.12
1987/07/31	0.11
1987/08/01	0.11
1987/08/02	0.11
1987/08/03	0.11
1987/08/04	0.15
1987/08/05	0.19
1987/08/06	0.19
1987/08/07	0.15
1987/08/08	0.22
1987/08/09	0.47
1987/08/10	0.40
1987/08/11	0.64
1987/08/12	1.98
1987/08/13	2.11
1987/08/14	1.98
1987/08/15	1.98
1987/08/16	1.59
1987/08/17	1.33
1987/08/18	1.46
1987/08/19	1.98
1987/08/20	1.98
1987/08/21	1.85
1987/08/22	0.99
1987/08/23	1.33
1987/08/24	1.98
1987/08/25	8.97
1987/08/26	11.04
1987/08/27	8.34
1987/08/28	6.50
1987/08/29	6.50
1987/08/30	8.97
1987/08/31	7.10
1987/09/01	7.92
1987/09/02	8.34
1987/09/03	6.50
1987/09/04	5.50
1987/09/05	4.30
1987/09/06	4.90
1987/09/07	7.30
1987/09/08	25.60
1987/09/09	44.80
1987/09/10	24.96
1987/09/11	15.36
1987/09/12	15.92
1987/09/13	20.16
1987/09/14	13.12
1987/09/15	24.00
1987/09/16	38.20
1987/09/17	19.20
1987/09/18	21.12
1987/09/19	42.20
1987/09/20	131.70
1987/09/21	103.50
1987/09/22	113.20
1987/09/23	66.80
1987/09/24	31.80
1987/09/25	22.40
1987/09/26	25.60
1987/09/27	30.24
1987/09/28	25.92
1987/09/29	21.12
1987/09/30	17.32
1987/10/01	15.64
1987/10/02	20.16
1987/10/03	22.08
1987/10/04	33.00
1987/10/05	30.24
1987/10/06	27.58
1987/10/07	22.08
1987/10/08	18.88
1987/10/09	29.86
1987/10/10	56.35
1987/10/11	42.20
1987/10/12	35.80
1987/10/13	31.00
1987/10/14	25.92
1987/10/15	22.08
1987/10/16	20.16
1987/10/17	17.92
1987/10/18	15.64
1987/10/19	13.96
1987/10/20	12.56
1987/10/21	13.12
1987/10/22	11.28
1987/10/23	11.52
1987/10/24	12.28
1987/10/25	11.76
1987/10/26	8.34
1987/10/27	8.34
1987/10/28	8.13
1987/10/29	7.92
1987/10/30	7.71
1987/10/31	7.50
1987/11/01	7.30
1987/11/02	7.30
1987/11/03	6.50
1987/11/04	6.90
1987/11/05	8.97
1987/11/06	9.18
1987/11/07	7.71
1987/11/08	7.10
1987/11/09	6.50
1987/11/10	6.30
1987/11/11	8.34
1987/11/12	10.80
1987/11/13	18.24
1987/11/14	26.24
1987/11/15	19.20
1987/11/16	14.80
1987/11/17	28.72
1987/11/18	33.40
1987/11/19	28.72
1987/11/20	46.15
1987/11/21	31.40
1987/11/22	23.68
1987/11/23	18.88
1987/11/24	16.48
1987/11/25	13.96
1987/11/26	12.84
1987/11/27	11.52
1987/11/28	10.56
1987/11/29	10.32
1987/11/30	9.60
1987/12/01	9.39
1987/12/02	9.18
1987/12/03	8.97
1987/12/04	8.55
1987/12/05	8.13
1987/12/06	7.92
1987/12/07	7.50
1987/12/08	7.30
1987/12/09	6.90
1987/12/10	6.50
1987/12/11	6.10
1987/12/12	5.50
1987/12/13	5.20
1987/12/14	4.90
1987/12/15	4.30
1987/12/16	4.15
1987/12/17	4.15
1987/12/18	4.15
1987/12/19	4.30
1987/12/20	4.45
1987/12/21	4.45
1987/12/22	3.85
1987/12/23	3.25
1987/12/24	3.10
1987/12/25	2.95
1987/12/26	2.80
1987/12/27	2.50
1987/12/28	2.37
1987/12/29	2.24
1987/12/30	1.85
1987/12/31	1.59
#===========================================
# Number of observations = 275 / 365
# Average = 9.47