1987/01/01	7.38
1987/01/02	5.50
1987/01/03	35.60
1987/01/04	4.02
1987/01/05	3.86
1987/01/06	3.70
1987/01/07	3.70
1987/01/08	3.70
1987/01/09	3.70
1987/01/10	3.54
1987/01/11	3.54
1987/01/12	3.54
1987/01/13	3.54
1987/01/14	3.38
1987/01/15	3.38
1987/01/16	3.38
1987/01/17	3.38
1987/01/18	3.38
1987/01/19	3.38
1987/01/20	3.38
1987/01/21	3.22
1987/01/22	3.22
1987/01/23	3.22
1987/01/24	3.22
1987/01/25	3.22
1987/01/26	3.22
1987/01/27	3.06
1987/01/28	3.06
1987/01/29	3.06
1987/01/30	2.90
1987/01/31	2.90
1987/02/01	2.90
1987/02/02	2.90
1987/02/03	2.90
1987/02/04	2.90
1987/02/05	2.78
1987/02/06	2.78
1987/02/07	2.78
1987/02/08	3.06
1987/02/09	3.38
1987/02/10	5.10
1987/02/11	3.38
1987/02/12	2.90
1987/02/13	2.78
1987/02/14	2.66
1987/02/15	2.54
1987/02/16	2.54
1987/02/17	2.54
1987/02/18	2.54
1987/02/19	2.54
1987/02/20	2.54
1987/02/21	2.42
1987/02/22	2.78
1987/02/23	2.78
1987/02/24	2.66
1987/02/25	2.54
1987/02/26	2.30
1987/02/27	2.30
1987/02/28	2.30
1987/03/01	2.18
1987/03/02	2.18
1987/03/03	2.90
1987/03/04	3.54
1987/03/05	3.86
1987/03/06	3.22
1987/03/07	2.78
1987/03/08	2.42
1987/03/09	2.30
1987/03/10	2.30
1987/03/11	2.18
1987/03/12	2.18
1987/03/13	2.18
1987/03/14	2.18
1987/03/15	2.06
1987/03/16	2.06
1987/03/17	2.06
1987/03/18	2.06
1987/03/19	1.94
1987/03/20	1.94
1987/03/21	1.82
1987/03/22	1.82
1987/03/23	1.82
1987/03/24	1.82
1987/03/25	1.82
1987/03/26	1.82
1987/03/27	1.70
1987/03/28	1.70
1987/03/29	1.70
1987/03/30	1.70
1987/03/31	1.70
1987/04/01	1.70
1987/04/02	1.70
1987/04/03	1.70
1987/04/04	1.70
1987/04/05	1.64
1987/04/06	1.64
1987/04/07	1.64
1987/04/08	1.64
1987/04/09	1.64
1987/04/10	1.64
1987/04/11	1.64
1987/04/12	1.58
1987/04/13	1.58
1987/04/14	1.58
1987/04/15	1.52
1987/04/16	1.52
1987/04/17	1.52
1987/04/18	1.70
1987/04/19	1.64
1987/04/20	1.64
1987/04/21	1.83
1987/04/22	2.48
1987/04/23	2.22
1987/04/24	1.89
1987/04/25	1.70
1987/04/26	1.64
1987/04/27	1.64
1987/04/28	1.83
1987/04/29	2.68
1987/04/30	4.16
1987/05/01	2.68
1987/05/02	2.28
1987/05/03	2.09
1987/05/04	2.22
1987/05/05	3.98
1987/05/06	3.40
1987/05/07	2.81
1987/05/08	2.48
1987/05/09	2.35
1987/05/10	2.22
1987/05/11	2.22
1987/05/12	2.22
1987/05/13	2.16
1987/05/14	2.42
1987/05/15	2.87
1987/05/16	2.61
1987/05/17	2.35
1987/05/18	2.22
1987/05/19	2.42
1987/05/20	2.22
1987/05/21	2.22
1987/05/22	2.09
1987/05/23	2.03
1987/05/24	2.09
1987/05/25	2.35
1987/05/26	2.03
1987/05/27	2.03
1987/05/28	2.03
1987/05/29	2.09
1987/05/30	3.89
1987/05/31	3.16
1987/06/01	2.87
1987/06/02	2.81
1987/06/03	6.59
1987/06/04	5.82
1987/06/05	5.06
1987/06/06	5.42
1987/06/07	4.52
1987/06/08	5.33
1987/06/09	10.65
1987/06/10	9.45
1987/06/11	5.82
1987/06/12	4.88
1987/06/13	4.61
1987/06/14	5.60
1987/06/15	5.42
1987/06/16	5.24
1987/06/17	5.82
1987/06/18	6.26
1987/06/19	5.42
1987/06/20	5.24
1987/06/21	5.06
1987/06/22	4.97
1987/06/23	4.70
1987/06/24	4.52
1987/06/25	4.43
1987/06/26	4.25
1987/06/27	5.51
1987/06/28	4.34
1987/06/29	5.60
1987/06/30	6.92
1987/07/01	5.82
1987/07/02	4.97
1987/07/03	5.06
1987/07/04	4.70
1987/07/05	4.43
1987/07/06	4.70
1987/07/07	5.42
1987/07/08	7.47
1987/07/09	7.03
1987/07/10	5.82
1987/07/11	5.42
1987/07/12	4.88
1987/07/13	4.61
1987/07/14	4.25
1987/07/15	4.34
1987/07/16	5.24
1987/07/17	6.59
1987/07/18	6.92
1987/07/19	5.93
1987/07/20	4.70
1987/07/21	4.70
1987/07/22	4.70
1987/07/23	4.25
1987/07/24	6.04
1987/07/25	16.49
1987/07/26	10.95
1987/07/27	9.45
1987/07/28	9.75
1987/07/29	5.82
1987/07/30	5.60
1987/07/31	5.71
1987/08/01	5.82
1987/08/02	5.71
1987/08/03	5.24
1987/08/04	5.33
1987/08/05	6.92
1987/08/06	9.45
1987/08/07	7.25
1987/08/08	6.26
1987/08/09	10.05
1987/08/10	8.52
1987/08/11	12.18
1987/08/12	11.10
1987/08/13	8.16
1987/08/14	7.36
1987/08/15	6.59
1987/08/16	6.26
1987/08/17	9.30
1987/08/18	15.20
1987/08/19	19.54
1987/08/20	13.08
1987/08/21	10.65
1987/08/22	9.00
1987/08/23	20.77
1987/08/24	155.00
1987/08/25	50.28
1987/08/26	17.64
1987/08/27	13.80
1987/08/28	10.65
1987/08/29	9.15
1987/08/30	7.69
1987/08/31	6.92
1987/09/01	6.59
1987/09/02	12.36
1987/09/03	21.31
1987/09/04	11.85
1987/09/05	9.45
1987/09/06	8.04
1987/09/07	7.14
1987/09/08	12.54
1987/09/09	10.80
1987/09/10	10.50
1987/09/11	10.35
1987/09/12	8.64
1987/09/13	9.30
1987/09/14	8.28
1987/09/15	13.62
1987/09/16	12.72
1987/09/17	8.88
1987/09/18	7.92
1987/09/19	7.25
1987/09/20	7.80
1987/09/21	9.15
1987/09/22	7.80
1987/09/23	7.03
1987/09/24	6.70
1987/09/25	6.26
1987/09/26	28.60
1987/09/27	22.39
1987/09/28	12.00
1987/09/29	9.90
1987/09/30	7.69
1987/10/01	8.28
1987/10/02	8.28
1987/10/03	8.28
1987/10/04	7.69
1987/10/05	8.64
1987/10/06	7.69
1987/10/07	7.36
1987/10/08	9.15
1987/10/09	11.10
1987/10/10	10.05
1987/10/11	8.76
1987/10/12	8.04
1987/10/13	7.69
1987/10/14	7.25
1987/10/15	9.60
1987/10/16	7.92
1987/10/17	7.92
1987/10/18	7.58
1987/10/19	7.47
1987/10/20	7.47
1987/10/21	8.64
1987/10/22	7.80
1987/10/23	7.92
1987/10/24	8.52
1987/10/25	9.90
1987/10/26	8.28
1987/10/27	7.80
1987/10/28	7.69
1987/10/29	7.58
1987/10/30	7.14
1987/10/31	7.36
1987/11/01	7.25
1987/11/02	7.25
1987/11/03	7.80
1987/11/04	8.40
1987/11/05	7.80
1987/11/06	7.80
1987/11/07	7.69
1987/11/08	25.60
1987/11/09	16.26
1987/11/10	11.25
1987/11/11	9.90
1987/11/12	9.15
1987/11/13	8.88
1987/11/14	8.76
1987/11/15	8.64
1987/11/16	9.15
1987/11/17	8.76
1987/11/18	8.52
1987/11/19	8.40
1987/11/20	8.16
1987/11/21	8.04
1987/11/22	7.92
1987/11/23	7.80
1987/11/24	7.69
1987/11/25	7.69
1987/11/26	7.69
1987/11/27	7.58
1987/11/28	7.47
1987/11/29	7.36
1987/11/30	7.25
1987/12/01	7.14
1987/12/02	7.14
1987/12/03	7.03
1987/12/04	7.03
1987/12/05	6.92
1987/12/06	6.81
1987/12/07	6.59
1987/12/08	6.48
1987/12/09	6.37
1987/12/10	6.37
1987/12/11	6.26
1987/12/12	6.26
1987/12/13	6.15
1987/12/14	6.15
1987/12/15	6.04
1987/12/16	6.04
1987/12/17	5.93
1987/12/18	5.82
1987/12/19	5.71
1987/12/20	5.60
1987/12/21	5.51
1987/12/22	5.42
1987/12/23	5.42
1987/12/24	5.33
1987/12/25	5.33
1987/12/26	5.33
1987/12/27	5.33
1987/12/28	5.24
1987/12/29	5.24
1987/12/30	5.24
1987/12/31	5.15
#===========================================
# Number of observations = 365 / 365
# Average = 6.31