1987/01/01	0.68
1987/01/02	0.66
1987/01/03	0.66
1987/01/04	0.68
1987/01/05	0.68
1987/01/06	0.68
1987/01/07	0.66
1987/01/08	0.66
1987/01/09	0.66
1987/01/10	0.64
1987/01/11	0.62
1987/01/12	0.62
1987/01/13	0.62
1987/01/14	0.62
1987/01/15	0.66
1987/01/16	0.64
1987/01/17	0.62
1987/01/18	0.62
1987/01/19	0.62
1987/01/20	0.62
1987/01/21	0.62
1987/01/22	0.62
1987/01/23	0.62
1987/01/24	0.62
1987/01/25	0.62
1987/01/26	0.64
1987/01/27	0.68
1987/01/28	0.64
1987/01/29	0.62
1987/01/30	0.62
1987/01/31	0.62
1987/02/01	0.62
1987/02/02	0.62
1987/02/03	0.62
1987/02/04	0.64
1987/02/05	0.60
1987/02/06	0.60
1987/02/07	0.56
1987/02/08	0.56
1987/02/09	0.56
1987/02/10	0.56
1987/02/11	0.56
1987/02/12	0.56
1987/02/13	0.56
1987/02/14	0.56
1987/02/15	0.58
1987/02/16	0.54
1987/02/17	0.54
1987/02/18	0.52
1987/02/19	0.56
1987/02/20	0.56
1987/02/21	0.52
1987/02/22	0.52
1987/02/23	0.54
1987/02/24	0.54
1987/02/25	0.54
1987/02/26	0.54
1987/02/27	0.54
1987/02/28	0.54
1987/03/01	0.54
1987/03/02	0.52
1987/03/03	0.54
1987/03/04	0.56
1987/03/05	0.54
1987/03/06	0.54
1987/03/07	0.54
1987/03/08	0.56
1987/03/09	0.56
1987/03/10	0.56
1987/03/11	0.56
1987/03/12	0.56
1987/03/13	0.52
1987/03/14	0.52
1987/03/15	0.48
1987/03/16	0.48
1987/03/17	0.46
1987/03/18	0.44
1987/03/19	0.46
1987/03/20	0.46
1987/03/21	0.46
1987/03/22	0.44
1987/03/23	0.44
1987/03/24	0.44
1987/03/25	0.42
1987/03/26	0.42
1987/03/27	0.42
1987/03/28	0.44
1987/03/29	1.40
1987/03/30	0.70
1987/03/31	0.52
1987/04/01	0.62
1987/04/02	0.60
1987/04/03	0.52
1987/04/04	0.48
1987/04/05	0.44
1987/04/06	0.42
1987/04/07	0.42
1987/04/08	0.42
1987/04/09	0.46
1987/04/10	0.46
1987/04/11	0.44
1987/04/12	0.44
1987/04/13	0.44
1987/04/14	0.46
1987/04/15	0.46
1987/04/16	0.48
1987/04/17	0.48
1987/04/18	0.48
1987/04/19	0.48
1987/04/20	0.48
1987/04/21	0.48
1987/04/22	0.44
1987/04/23	0.60
1987/04/24	0.50
1987/04/25	0.58
1987/04/26	0.60
1987/04/27	0.50
1987/04/28	0.52
1987/04/29	0.50
1987/04/30	0.48
1987/05/01	1.90
1987/05/02	4.34
1987/05/03	1.12
1987/05/04	0.80
1987/05/05	0.88
1987/05/06	5.74
1987/05/07	1.95
1987/05/08	1.08
1987/05/09	1.75
1987/05/10	1.36
1987/05/11	2.12
1987/05/12	2.60
1987/05/13	1.28
1987/05/14	1.00
1987/05/15	0.78
1987/05/16	4.22
1987/05/17	1.80
1987/05/18	0.98
1987/05/19	1.38
1987/05/20	1.18
1987/05/21	0.92
1987/05/22	0.86
1987/05/23	0.66
1987/05/24	0.58
1987/05/25	0.56
1987/05/26	0.56
1987/05/27	6.26
1987/05/28	1.04
1987/05/29	3.50
1987/05/30	3.92
1987/05/31	1.18
1987/06/01	1.18
1987/06/02	2.96
1987/06/03	5.82
1987/06/04	20.92
1987/06/05	9.30
1987/06/06	3.20
1987/06/07	3.74
1987/06/08	20.50
1987/06/09	40.43
1987/06/10	4.96
1987/06/11	2.60
1987/06/12	2.18
1987/06/13	4.68
1987/06/14	4.34
1987/06/15	1.44
1987/06/16	1.12
1987/06/17	1.42
1987/06/18	0.98
1987/06/19	0.90
1987/06/20	22.74
1987/06/21	3.74
1987/06/22	1.46
1987/06/23	1.06
1987/06/24	1.04
1987/06/25	0.90
1987/06/26	0.76
1987/06/27	0.82
1987/06/28	0.70
1987/06/29	0.66
1987/06/30	0.94
1987/07/01	1.08
1987/07/02	1.04
1987/07/03	0.76
1987/07/04	0.74
1987/07/05	0.90
1987/07/06	0.88
1987/07/07	12.60
1987/07/08	5.82
1987/07/09	1.90
1987/07/10	1.26
1987/07/11	2.36
1987/07/12	2.60
1987/07/13	1.06
1987/07/14	0.90
1987/07/15	0.74
1987/07/16	0.86
1987/07/17	0.78
1987/07/18	0.84
1987/07/19	0.76
1987/07/20	0.80
1987/07/21	0.70
1987/07/22	0.66
1987/07/23	0.60
1987/07/24	0.54
1987/07/25	0.60
1987/07/26	0.54
1987/07/27	0.52
1987/07/28	0.48
1987/07/29	9.10
1987/07/30	9.70
1987/07/31	13.60
1987/08/01	6.26
1987/08/02	2.78
1987/08/03	1.46
1987/08/04	1.22
1987/08/05	0.98
1987/08/06	0.98
1987/08/07	0.78
1987/08/08	0.68
1987/08/09	0.58
1987/08/10	0.66
1987/08/11	1.04
1987/08/12	1.90
1987/08/13	3.08
1987/08/14	3.68
1987/08/15	1.26
1987/08/16	6.62
1987/08/17	6.17
1987/08/18	2.72
1987/08/19	5.50
1987/08/20	2.60
1987/08/21	1.44
1987/08/22	4.54
1987/08/23	7.34
1987/08/24	2.60
1987/08/25	3.08
1987/08/26	5.50
1987/08/27	2.66
1987/08/28	1.55
1987/08/29	3.98
1987/08/30	2.90
1987/08/31	4.16
1987/09/01	3.02
1987/09/02	4.54
1987/09/03	4.47
1987/09/04	8.70
1987/09/05	2.36
1987/09/06	7.43
1987/09/07	96.22
1987/09/08	195.50
1987/09/09	159.58
1987/09/10	82.50
1987/09/11	53.60
1987/09/12	85.60
1987/09/13	99.74
1987/09/14	20.64
1987/09/15	12.40
1987/09/16	10.00
1987/09/17	23.72
1987/09/18	67.76
1987/09/19	233.72
1987/09/20	176.87
1987/09/21	100.38
1987/09/22	48.40
1987/09/23	50.40
1987/09/24	63.00
1987/09/25	69.52
1987/09/26	27.85
1987/09/27	76.95
1987/09/28	57.60
1987/09/29	57.60
1987/09/30	29.20
1987/10/01	27.55
1987/10/02	15.80
1987/10/03	31.28
1987/10/04	54.20
1987/10/05	27.55
1987/10/06	20.37
1987/10/07	14.15
1987/10/08	12.80
1987/10/09	27.85
1987/10/10	88.86
1987/10/11	79.22
1987/10/12	34.16
1987/10/13	18.84
1987/10/14	12.70
1987/10/15	13.20
1987/10/16	5.99
1987/10/17	11.80
1987/10/18	10.50
1987/10/19	10.50
1987/10/20	8.90
1987/10/21	24.70
1987/10/22	18.12
1987/10/23	9.80
1987/10/24	7.43
1987/10/25	6.62
1987/10/26	4.96
1987/10/27	5.03
1987/10/28	4.54
1987/10/29	4.40
1987/10/30	4.28
1987/10/31	4.10
1987/11/01	4.04
1987/11/02	3.86
1987/11/03	4.82
1987/11/04	3.98
1987/11/05	3.50
1987/11/06	3.38
1987/11/07	3.32
1987/11/08	3.20
1987/11/09	3.14
1987/11/10	3.14
1987/11/11	3.02
1987/11/12	3.20
1987/11/13	4.04
1987/11/14	15.36
1987/11/15	25.45
1987/11/16	10.60
1987/11/17	7.25
1987/11/18	8.60
1987/11/19	5.03
1987/11/20	5.03
1987/11/21	4.34
1987/11/22	3.74
1987/11/23	3.74
1987/11/24	3.74
1987/11/25	3.44
1987/11/26	3.20
1987/11/27	2.96
1987/11/28	2.72
1987/11/29	2.54
1987/11/30	2.36
1987/12/01	2.30
1987/12/02	2.24
1987/12/03	2.18
1987/12/04	2.12
1987/12/05	2.12
1987/12/06	2.12
1987/12/07	2.00
1987/12/08	1.80
1987/12/09	1.80
1987/12/10	1.70
1987/12/11	1.80
1987/12/12	1.75
1987/12/13	1.75
1987/12/14	1.75
1987/12/15	1.65
1987/12/16	1.65
1987/12/17	1.65
1987/12/18	1.65
1987/12/19	1.60
1987/12/20	1.50
1987/12/21	1.48
1987/12/22	1.46
1987/12/23	1.42
1987/12/24	1.42
1987/12/25	1.40
1987/12/26	1.40
1987/12/27	1.36
1987/12/28	1.36
1987/12/29	1.36
1987/12/30	1.36
1987/12/31	1.34
#===========================================
# Number of observations = 365 / 365
# Average = 8.82