1987/01/01	12.72
1987/01/02	17.96
1987/01/03	13.76
1987/01/04	12.20
1987/01/05	11.30
1987/01/06	10.40
1987/01/07	10.85
1987/01/08	9.95
1987/01/09	9.95
1987/01/10	8.15
1987/01/11	9.05
1987/01/12	8.15
1987/01/13	7.70
1987/01/14	6.42
1987/01/15	6.42
1987/01/16	6.42
1987/01/17	6.10
1987/01/18	4.30
1987/01/19	3.70
1987/01/20	3.70
1987/01/21	6.42
1987/01/22	4.30
1987/01/23	3.10
1987/01/24	7.06
1987/01/25	7.06
1987/01/26	6.74
1987/01/27	5.78
1987/01/28	6.10
1987/01/29	2.20
1987/01/30	1.29
1987/01/31	1.08
1987/02/01	1.02
1987/02/02	0.99
1987/02/03	0.81
1987/02/04	0.72
1987/02/05	0.72
1987/02/06	0.87
1987/02/07	1.14
1987/02/08	1.44
1987/02/09	5.46
1987/02/10	7.06
1987/02/11	6.74
1987/02/12	7.06
1987/02/13	7.06
1987/02/14	5.14
1987/02/15	3.70
1987/02/16	1.26
1987/02/17	1.02
1987/02/18	0.93
1987/02/19	0.96
1987/02/20	0.72
1987/02/21	0.66
1987/02/22	0.63
1987/02/23	0.66
1987/02/24	0.60
1987/02/25	0.66
1987/02/26	0.57
1987/02/27	0.54
1987/02/28	0.45
1987/03/01	0.45
1987/03/02	0.42
1987/03/03	0.39
1987/03/04	0.36
1987/03/05	0.45
1987/03/06	0.45
1987/03/07	0.51
1987/03/08	1.05
1987/03/09	1.02
1987/03/10	0.87
1987/03/11	0.66
1987/03/12	0.48
1987/03/13	0.42
1987/03/14	0.42
1987/03/15	0.42
1987/03/16	0.42
1987/03/17	0.36
1987/03/18	0.30
1987/03/19	0.30
1987/03/20	0.26
1987/03/21	0.30
1987/03/22	0.36
1987/03/23	0.30
1987/03/24	0.28
1987/03/25	0.28
1987/03/26	0.23
1987/03/27	0.23
1987/03/28	0.28
1987/03/29	0.26
1987/03/30	0.26
1987/03/31	0.23
1987/04/01	0.23
1987/04/02	0.23
1987/04/03	0.21
1987/04/04	0.17
1987/04/05	0.17
1987/04/06	0.23
1987/04/07	0.23
1987/04/08	0.19
1987/04/09	0.19
1987/04/10	0.12
1987/04/11	0.12
1987/04/12	0.12
1987/04/13	0.17
1987/04/14	0.12
1987/04/15	0.12
1987/04/16	0.15
1987/04/17	0.17
1987/04/18	0.17
1987/04/19	0.12
1987/04/20	0.12
1987/04/21	0.17
1987/04/22	0.19
1987/04/23	0.19
1987/04/24	0.23
1987/04/25	0.23
1987/04/26	0.26
1987/04/27	0.23
1987/04/28	0.51
1987/04/29	1.08
1987/04/30	1.14
1987/05/01	2.40
1987/05/02	1.38
1987/05/03	0.63
1987/05/04	0.33
1987/05/05	0.23
1987/05/06	0.23
1987/05/07	0.30
1987/05/08	0.26
1987/05/09	0.17
1987/05/10	0.12
1987/05/11	0.10
1987/05/12	0.08
1987/05/13	0.07
1987/05/14	0.06
1987/05/15	0.06
1987/05/16	0.06
1987/05/17	0.07
1987/05/18	0.08
1987/05/19	0.07
1987/05/20	0.06
1987/05/21	0.06
1987/05/22	0.06
1987/05/23	0.05
1987/05/24	0.05
1987/05/25	0.04
1987/05/26	0.04
1987/05/27	0.04
1987/05/28	0.04
1987/05/29	0.03
1987/05/30	0.03
1987/05/31	0.03
1987/06/01	0.03
1987/06/02	0.06
1987/06/03	0.06
1987/06/04	0.06
1987/06/05	0.96
1987/06/06	6.26
1987/06/07	13.30
1987/06/08	30.12
1987/06/09	25.35
1987/06/10	20.70
1987/06/11	15.06
1987/06/12	12.86
1987/06/13	11.10
1987/06/14	9.78
1987/06/15	8.90
1987/06/16	8.46
1987/06/17	7.58
1987/06/18	8.90
1987/06/19	10.66
1987/06/20	14.62
1987/06/21	15.50
1987/06/22	13.30
1987/06/23	11.10
1987/06/24	9.34
1987/06/25	7.14
1987/06/26	4.10
1987/06/27	2.40
1987/06/28	2.10
1987/06/29	1.50
1987/06/30	1.70
1987/07/01	1.38
1987/07/02	1.17
1987/07/03	0.99
1987/07/04	0.87
1987/07/05	0.69
1987/07/06	0.66
1987/07/07	0.60
1987/07/08	0.48
1987/07/09	0.54
1987/07/10	0.90
1987/07/11	0.87
1987/07/12	0.99
1987/07/13	1.29
1987/07/14	1.41
1987/07/15	1.11
1987/07/16	0.75
1987/07/17	0.57
1987/07/18	0.42
1987/07/19	0.39
1987/07/20	0.45
1987/07/21	0.15
1987/07/22	0.12
1987/07/23	0.12
1987/07/24	0.19
1987/07/25	0.54
1987/07/26	1.60
1987/07/27	2.30
1987/07/28	1.50
1987/07/29	1.11
1987/07/30	0.81
1987/07/31	0.57
1987/08/01	0.48
1987/08/02	0.45
1987/08/03	0.42
1987/08/04	0.36
1987/08/05	0.28
1987/08/06	0.23
1987/08/07	0.23
1987/08/08	0.26
1987/08/09	0.30
1987/08/10	0.33
1987/08/11	1.17
1987/08/12	6.70
1987/08/13	8.02
1987/08/14	6.70
1987/08/15	6.26
1987/08/16	2.70
1987/08/17	8.02
1987/08/18	35.42
1987/08/19	123.50
1987/08/20	59.76
1987/08/21	35.95
1987/08/22	22.70
1987/08/23	22.70
1987/08/24	86.33
1987/08/25	115.31
1987/08/26	68.50
1987/08/27	42.59
1987/08/28	35.95
1987/08/29	24.82
1987/08/30	20.20
1987/08/31	18.20
1987/09/01	15.94
1987/09/02	16.38
1987/09/03	18.20
1987/09/04	15.94
1987/09/05	12.42
1987/09/06	11.98
1987/09/07	18.20
1987/09/08	19.70
1987/09/09	19.20
1987/09/10	31.71
1987/09/11	41.45
1987/09/12	56.71
1987/09/13	42.59
1987/09/14	74.35
1987/09/15	28.53
1987/09/16	50.00
1987/09/17	25.88
1987/09/18	19.70
1987/09/19	17.26
1987/09/20	39.17
1987/09/21	56.10
1987/09/22	57.93
1987/09/23	33.30
1987/09/24	26.94
1987/09/25	21.20
1987/09/26	27.47
1987/09/27	28.53
1987/09/28	64.09
1987/09/29	69.80
1987/09/30	46.01
1987/10/01	31.18
1987/10/02	42.02
1987/10/03	33.30
1987/10/04	26.41
1987/10/05	29.06
1987/10/06	25.35
1987/10/07	22.70
1987/10/08	17.70
1987/10/09	17.26
1987/10/10	23.76
1987/10/11	20.70
1987/10/12	22.20
1987/10/13	21.70
1987/10/14	19.70
1987/10/15	16.82
1987/10/16	14.62
1987/10/17	13.74
1987/10/18	13.74
1987/10/19	18.70
1987/10/20	17.26
1987/10/21	30.12
1987/10/22	18.70
1987/10/23	18.20
1987/10/24	17.26
1987/10/25	17.26
1987/10/26	14.62
1987/10/27	11.98
1987/10/28	10.66
1987/10/29	10.66
1987/10/30	10.66
1987/10/31	9.78
1987/11/01	6.70
1987/11/02	4.30
1987/11/03	3.90
1987/11/04	14.18
1987/11/05	17.26
1987/11/06	13.30
1987/11/07	9.78
1987/11/08	58.54
1987/11/09	93.92
1987/11/10	71.75
1987/11/11	34.36
1987/11/12	25.88
1987/11/13	33.83
1987/11/14	31.18
1987/11/15	24.82
1987/11/16	28.53
1987/11/17	24.82
1987/11/18	25.35
1987/11/19	34.89
1987/11/20	32.77
1987/11/21	25.35
1987/11/22	19.20
1987/11/23	16.82
1987/11/24	15.50
1987/11/25	14.18
1987/11/26	12.86
1987/11/27	12.42
1987/11/28	11.98
1987/11/29	11.98
1987/11/30	11.98
1987/12/01	11.98
1987/12/02	11.54
1987/12/03	11.54
1987/12/04	11.10
1987/12/05	11.10
1987/12/06	10.66
1987/12/07	10.66
1987/12/08	9.78
1987/12/09	9.78
1987/12/10	9.78
1987/12/11	9.78
1987/12/12	9.34
1987/12/13	8.90
1987/12/14	7.58
1987/12/15	9.34
1987/12/16	9.34
1987/12/17	9.78
1987/12/18	10.22
1987/12/19	8.90
1987/12/20	8.90
1987/12/21	8.46
1987/12/22	7.58
1987/12/23	2.50
1987/12/24	11.54
1987/12/25	10.66
1987/12/26	10.22
1987/12/27	8.46
1987/12/28	8.90
1987/12/29	8.46
1987/12/30	8.90
1987/12/31	8.90
#===========================================
# Number of observations = 365 / 365
# Average = 11.05