1987/01/01	2.84
1987/01/02	3.11
1987/01/03	2.57
1987/01/04	2.30
1987/01/05	2.19
1987/01/06	1.97
1987/01/07	1.97
1987/01/08	1.97
1987/01/09	1.86
1987/01/10	1.75
1987/01/11	1.64
1987/01/12	1.64
1987/01/13	1.53
1987/01/14	1.53
1987/01/15	1.53
1987/01/16	1.75
1987/01/17	1.75
1987/01/18	1.75
1987/01/19	1.97
1987/01/20	1.97
1987/01/21	1.64
1987/01/22	1.53
1987/01/23	1.53
1987/01/24	1.53
1987/01/25	1.53
1987/01/26	1.53
1987/01/27	1.53
1987/01/28	1.42
1987/01/29	1.86
1987/01/30	1.64
1987/01/31	1.42
1987/02/01	1.53
1987/02/02	1.53
1987/02/03	1.53
1987/02/04	1.53
1987/02/05	1.81
1987/02/06	1.81
1987/02/07	1.57
1987/02/08	1.81
1987/02/09	1.72
1987/02/10	1.72
1987/02/11	1.81
1987/02/12	1.64
1987/02/13	1.57
1987/02/14	1.57
1987/02/15	1.50
1987/02/16	1.42
1987/02/17	1.35
1987/02/18	1.21
1987/02/19	1.21
1987/02/20	1.21
1987/02/21	1.21
1987/02/22	1.14
1987/02/23	1.14
1987/02/24	1.28
1987/02/25	1.21
1987/02/26	1.06
1987/02/27	1.06
1987/02/28	1.14
1987/03/01	1.06
1987/03/02	0.99
1987/03/03	1.06
1987/03/04	1.06
1987/03/05	1.14
1987/03/06	2.31
1987/03/07	1.81
1987/03/08	1.57
1987/03/09	1.57
1987/03/10	1.50
1987/03/11	1.28
1987/03/12	1.21
1987/03/13	1.14
1987/03/14	1.06
1987/03/15	0.99
1987/03/16	0.92
1987/03/17	0.79
1987/03/18	0.66
1987/03/19	0.60
1987/03/20	0.60
1987/03/21	0.60
1987/03/22	0.60
1987/03/23	0.66
1987/03/24	0.66
1987/03/25	0.60
1987/03/26	0.54
1987/03/27	0.47
1987/03/28	0.47
1987/03/29	0.54
1987/03/30	0.60
1987/03/31	0.54
1987/04/01	2.25
1987/04/02	2.25
1987/04/03	2.25
1987/04/04	2.16
1987/04/05	2.16
1987/04/06	2.07
1987/04/07	2.07
1987/04/08	2.07
1987/04/09	2.07
1987/04/10	2.07
1987/04/11	2.07
1987/04/12	2.16
1987/04/13	2.16
1987/04/14	2.16
1987/04/15	2.07
1987/04/16	2.16
1987/04/17	2.16
1987/04/18	11.70
1987/04/19	4.58
1987/04/20	3.24
1987/04/21	2.61
1987/04/22	3.15
1987/04/23	2.79
1987/04/24	3.24
1987/04/25	2.16
1987/04/26	2.16
1987/04/27	2.34
1987/04/28	2.88
1987/04/29	3.51
1987/04/30	8.86
1987/05/01	5.21
1987/05/02	3.51
1987/05/03	3.15
1987/05/04	3.24
1987/05/05	4.86
1987/05/06	5.63
1987/05/07	3.60
1987/05/08	3.33
1987/05/09	3.15
1987/05/10	3.33
1987/05/11	3.24
1987/05/12	3.24
1987/05/13	3.15
1987/05/14	2.97
1987/05/15	3.51
1987/05/16	3.60
1987/05/17	2.97
1987/05/18	1.89
1987/05/19	1.89
1987/05/20	1.98
1987/05/21	2.07
1987/05/22	2.16
1987/05/23	2.07
1987/05/24	1.98
1987/05/25	1.98
1987/05/26	1.98
1987/05/27	1.98
1987/05/28	1.98
1987/05/29	2.07
1987/05/30	3.60
1987/05/31	2.79
1987/06/01	2.25
1987/06/02	2.07
1987/06/03	4.72
1987/06/04	15.45
1987/06/05	24.50
1987/06/06	20.95
1987/06/07	9.78
1987/06/08	27.88
1987/06/09	51.04
1987/06/10	18.66
1987/06/11	8.64
1987/06/12	6.47
1987/06/13	4.72
1987/06/14	3.74
1987/06/15	3.24
1987/06/16	3.33
1987/06/17	3.15
1987/06/18	3.42
1987/06/19	3.74
1987/06/20	3.33
1987/06/21	6.47
1987/06/22	3.51
1987/06/23	2.97
1987/06/24	2.61
1987/06/25	2.25
1987/06/26	2.07
1987/06/27	2.07
1987/06/28	1.89
1987/06/29	1.62
1987/06/30	1.71
1987/07/01	1.71
1987/07/02	1.89
1987/07/03	1.71
1987/07/04	1.53
1987/07/05	1.53
1987/07/06	1.53
1987/07/07	1.53
1987/07/08	2.07
1987/07/09	1.98
1987/07/10	1.89
1987/07/11	1.80
1987/07/12	1.80
1987/07/13	1.80
1987/07/14	1.71
1987/07/15	1.44
1987/07/16	1.44
1987/07/17	1.80
1987/07/18	1.62
1987/07/19	1.53
1987/07/20	1.62
1987/07/21	1.53
1987/07/22	1.44
1987/07/23	1.26
1987/07/24	1.35
1987/07/25	4.58
1987/07/26	8.86
1987/07/27	3.74
1987/07/28	1.89
1987/07/29	1.53
1987/07/30	1.26
1987/07/31	1.17
1987/08/01	1.08
1987/08/02	1.17
1987/08/03	0.99
1987/08/04	0.90
1987/08/05	1.62
1987/08/06	1.80
1987/08/07	1.53
1987/08/08	1.35
1987/08/09	3.60
1987/08/10	2.97
1987/08/11	2.16
1987/08/12	1.98
1987/08/13	1.98
1987/08/14	1.62
1987/08/15	1.26
1987/08/16	1.44
1987/08/17	2.25
1987/08/18	55.10
1987/08/19	89.75
1987/08/20	35.88
1987/08/21	38.60
1987/08/22	20.95
1987/08/23	36.56
1987/08/24	184.85
1987/08/25	63.10
1987/08/26	37.92
1987/08/27	26.02
1987/08/28	19.79
1987/08/29	14.70
1987/08/30	12.20
1987/08/31	11.70
1987/09/01	8.20
1987/09/02	17.26
1987/09/03	10.50
1987/09/04	6.47
1987/09/05	6.26
1987/09/06	6.89
1987/09/07	10.02
1987/09/08	26.33
1987/09/09	14.95
1987/09/10	17.82
1987/09/11	17.82
1987/09/12	10.74
1987/09/13	8.20
1987/09/14	23.90
1987/09/15	14.95
1987/09/16	11.46
1987/09/17	8.20
1987/09/18	13.20
1987/09/19	29.49
1987/09/20	28.50
1987/09/21	37.24
1987/09/22	26.33
1987/09/23	17.26
1987/09/24	13.95
1987/09/25	11.70
1987/09/26	26.33
1987/09/27	36.90
1987/09/28	29.82
1987/09/29	18.94
1987/09/30	16.98
1987/10/01	15.45
1987/10/02	19.22
1987/10/03	16.45
1987/10/04	13.20
1987/10/05	12.45
1987/10/06	11.46
1987/10/07	9.78
1987/10/08	9.54
1987/10/09	9.30
1987/10/10	8.86
1987/10/11	8.20
1987/10/12	8.42
1987/10/13	8.64
1987/10/14	8.64
1987/10/15	7.98
1987/10/16	8.86
1987/10/17	7.98
1987/10/18	8.42
1987/10/19	9.08
1987/10/20	7.32
1987/10/21	10.02
1987/10/22	8.20
1987/10/23	8.20
1987/10/24	9.54
1987/10/25	7.98
1987/10/26	7.54
1987/10/27	7.10
1987/10/28	6.68
1987/10/29	5.63
1987/10/30	5.42
1987/10/31	5.63
1987/11/01	5.00
1987/11/02	4.86
1987/11/03	4.86
1987/11/04	5.00
1987/11/05	5.21
1987/11/06	5.21
1987/11/07	5.21
1987/11/08	42.94
1987/11/09	30.48
1987/11/10	15.70
1987/11/11	12.95
1987/11/12	10.98
1987/11/13	10.26
1987/11/14	10.02
1987/11/15	10.02
1987/11/16	9.30
1987/11/17	8.86
1987/11/18	8.64
1987/11/19	7.98
1987/11/20	13.20
1987/11/21	10.26
1987/11/22	9.08
1987/11/23	8.20
1987/11/24	7.98
1987/11/25	7.76
1987/11/26	7.54
1987/11/27	7.10
1987/11/28	6.89
1987/11/29	6.68
1987/11/30	6.26
1987/12/01	5.21
1987/12/02	5.84
1987/12/03	5.84
1987/12/04	5.63
1987/12/05	5.63
1987/12/06	5.63
1987/12/07	5.21
1987/12/08	5.00
1987/12/09	4.72
1987/12/10	4.44
1987/12/11	4.44
1987/12/12	4.86
1987/12/13	4.58
1987/12/14	4.72
1987/12/15	4.58
1987/12/16	4.72
1987/12/17	4.58
1987/12/18	4.44
1987/12/19	4.44
1987/12/20	4.44
1987/12/21	4.30
1987/12/22	4.30
1987/12/23	4.30
1987/12/24	4.16
1987/12/25	4.02
1987/12/26	4.02
1987/12/27	4.02
1987/12/28	4.02
1987/12/29	4.02
1987/12/30	4.30
1987/12/31	4.30
#===========================================
# Number of observations = 365 / 365
# Average = 7.02