1987/01/01	1.74
1987/01/02	4.31
1987/01/03	5.47
1987/01/04	5.32
1987/01/05	3.73
1987/01/06	3.87
1987/01/07	3.15
1987/01/08	2.44
1987/01/09	2.58
1987/01/10	2.86
1987/01/11	3.29
1987/01/12	3.87
1987/01/13	2.72
1987/01/14	1.60
1987/01/15	3.43
1987/01/16	3.43
1987/01/17	3.87
1987/01/18	3.29
1987/01/19	4.16
1987/01/20	3.58
1987/01/21	4.16
1987/01/22	4.02
1987/01/23	3.87
1987/01/24	3.58
1987/01/25	3.15
1987/01/26	3.87
1987/01/27	3.73
1987/01/28	3.58
1987/01/29	4.16
1987/01/30	4.60
1987/01/31	4.88
1987/02/01	4.88
1987/02/02	4.60
1987/02/03	3.73
1987/02/04	3.43
1987/02/05	4.16
1987/02/06	4.60
1987/02/07	5.03
1987/02/08	3.29
1987/02/09	5.61
1987/02/10	6.22
1987/02/11	5.32
1987/02/12	5.03
1987/02/13	4.45
1987/02/14	3.87
1987/02/15	3.00
1987/02/16	2.44
1987/02/17	2.16
1987/02/18	2.30
1987/02/19	2.30
1987/02/20	1.88
1987/02/21	1.74
1987/02/22	2.16
1987/02/23	2.16
1987/02/24	1.46
1987/02/25	1.60
1987/02/26	2.30
1987/02/27	2.72
1987/02/28	2.86
1987/03/01	3.15
1987/03/02	3.29
1987/03/03	3.00
1987/03/04	3.73
1987/03/05	4.02
1987/03/06	5.90
1987/03/07	7.34
1987/03/08	5.47
1987/03/09	4.16
1987/03/10	3.29
1987/03/11	2.58
1987/03/12	2.16
1987/03/13	1.88
1987/03/14	1.60
1987/03/15	1.33
1987/03/16	1.06
1987/03/17	1.33
1987/03/18	1.46
1987/03/19	1.06
1987/03/20	1.88
1987/03/21	1.60
1987/03/22	1.46
1987/03/23	1.20
1987/03/24	2.02
1987/03/25	2.16
1987/03/26	2.16
1987/03/27	2.02
1987/03/28	1.88
1987/03/29	1.74
1987/03/30	1.88
1987/03/31	1.46
1987/04/01	1.88
1987/04/02	1.99
1987/04/03	2.10
1987/04/04	2.10
1987/04/05	1.88
1987/04/06	2.32
1987/04/07	2.21
1987/04/08	1.31
1987/04/09	1.20
1987/04/10	1.31
1987/04/11	1.09
1987/04/12	1.09
1987/04/13	1.20
1987/04/14	1.31
1987/04/15	1.31
1987/04/16	1.20
1987/04/17	1.43
1987/04/18	1.65
1987/04/19	1.76
1987/04/20	1.88
1987/04/21	2.10
1987/04/22	2.44
1987/04/23	2.10
1987/04/24	1.99
1987/04/25	1.43
1987/04/26	1.31
1987/04/27	1.31
1987/04/28	1.76
1987/04/29	1.65
1987/04/30	2.44
1987/05/01	3.13
1987/05/02	2.55
1987/05/03	2.21
1987/05/04	2.10
1987/05/05	2.10
1987/05/06	2.32
1987/05/07	2.66
1987/05/08	2.21
1987/05/09	1.76
1987/05/10	1.65
1987/05/11	1.20
1987/05/12	1.99
1987/05/13	2.32
1987/05/14	2.32
1987/05/15	2.89
1987/05/16	2.10
1987/05/17	2.10
1987/05/18	1.76
1987/05/19	1.54
1987/05/20	1.20
1987/05/21	1.09
1987/05/22	1.09
1987/05/23	1.20
1987/05/24	0.97
1987/05/25	0.45
1987/05/26	0.45
1987/05/27	0.97
1987/05/28	1.99
1987/05/29	1.65
1987/05/30	1.54
1987/05/31	1.88
1987/06/01	1.65
1987/06/02	1.43
1987/06/03	1.88
1987/06/04	3.88
1987/06/05	2.89
1987/06/06	4.39
1987/06/07	3.75
1987/06/08	4.25
1987/06/09	4.00
1987/06/10	5.33
1987/06/11	5.33
1987/06/12	3.37
1987/06/13	3.13
1987/06/14	3.13
1987/06/15	3.00
1987/06/16	3.63
1987/06/17	3.13
1987/06/18	3.00
1987/06/19	4.00
1987/06/20	5.75
1987/06/21	4.25
1987/06/22	2.89
1987/06/23	3.25
1987/06/24	2.66
1987/06/25	2.44
1987/06/26	1.99
1987/06/27	1.88
1987/06/28	1.76
1987/06/29	1.20
1987/06/30	1.09
1987/07/01	1.31
1987/07/02	1.31
1987/07/03	1.09
1987/07/04	1.09
1987/07/05	0.67
1987/07/06	0.60
1987/07/07	0.75
1987/07/08	0.67
1987/07/09	0.60
1987/07/10	0.45
1987/07/11	0.67
1987/07/12	0.75
1987/07/13	0.45
1987/07/14	0.45
1987/07/15	0.45
1987/07/16	0.45
1987/07/17	0.60
1987/07/18	0.60
1987/07/19	0.67
1987/07/20	0.37
1987/07/21	0.22
1987/07/22	0.22
1987/07/23	0.22
1987/07/24	0.30
1987/07/25	2.55
1987/07/26	3.75
1987/07/27	6.05
1987/07/28	7.70
1987/07/29	8.45
1987/07/30	8.75
1987/07/31	8.90
1987/08/01	6.05
1987/08/02	5.75
1987/08/03	5.20
1987/08/04	5.33
1987/08/05	4.00
1987/08/06	4.13
1987/08/07	3.13
1987/08/08	3.00
1987/08/09	3.37
1987/08/10	3.37
1987/08/11	3.37
1987/08/12	3.50
1987/08/13	3.37
1987/08/14	2.89
1987/08/15	3.00
1987/08/16	4.25
1987/08/17	2.32
1987/08/18	21.43
1987/08/19	113.50
1987/08/20	155.56
1987/08/21	166.79
1987/08/22	152.88
1987/08/23	128.21
1987/08/24	122.09
1987/08/25	160.37
1987/08/26	200.40
1987/08/27	205.35
1987/08/28	203.70
1987/08/29	188.30
1987/08/30	163.58
1987/08/31	127.70
1987/09/01	77.59
1987/09/02	47.84
1987/09/03	37.40
1987/09/04	30.12
1987/09/05	22.81
1987/09/06	16.55
1987/09/07	19.10
1987/09/08	19.31
1987/09/09	33.42
1987/09/10	52.44
1987/09/11	49.20
1987/09/12	48.52
1987/09/13	60.98
1987/09/14	88.82
1987/09/15	129.23
1987/09/16	161.44
1987/09/17	153.42
1987/09/18	119.03
1987/09/19	78.02
1987/09/20	59.82
1987/09/21	49.92
1987/09/22	46.48
1987/09/23	41.67
1987/09/24	37.10
1987/09/25	34.54
1987/09/26	34.82
1987/09/27	91.50
1987/09/28	118.52
1987/09/29	107.75
1987/09/30	83.61
1987/10/01	59.06
1987/10/02	43.56
1987/10/03	34.54
1987/10/04	30.12
1987/10/05	35.38
1987/10/06	32.58
1987/10/07	25.80
1987/10/08	21.20
1987/10/09	18.70
1987/10/10	21.20
1987/10/11	21.89
1987/10/12	21.43
1987/10/13	18.30
1987/10/14	15.80
1987/10/15	13.59
1987/10/16	11.75
1987/10/17	10.10
1987/10/18	9.95
1987/10/19	9.05
1987/10/20	5.46
1987/10/21	7.85
1987/10/22	8.60
1987/10/23	8.60
1987/10/24	6.65
1987/10/25	14.51
1987/10/26	17.90
1987/10/27	16.55
1987/10/28	14.88
1987/10/29	13.95
1987/10/30	12.91
1987/10/31	12.41
1987/11/01	11.26
1987/11/02	9.95
1987/11/03	10.27
1987/11/04	11.59
1987/11/05	12.41
1987/11/06	13.95
1987/11/07	15.80
1987/11/08	47.16
1987/11/09	80.60
1987/11/10	95.55
1987/11/11	80.17
1987/11/12	64.49
1987/11/13	50.64
1987/11/14	43.56
1987/11/15	39.81
1987/11/16	35.94
1987/11/17	31.18
1987/11/18	25.80
1987/11/19	21.20
1987/11/20	18.30
1987/11/21	30.12
1987/11/22	20.15
1987/11/23	15.62
1987/11/24	12.41
1987/11/25	11.09
1987/11/26	9.65
1987/11/27	8.45
1987/11/28	8.00
1987/11/29	7.40
1987/11/30	7.40
1987/12/01	7.40
1987/12/02	7.25
1987/12/03	6.50
1987/12/04	6.20
1987/12/05	6.05
1987/12/06	5.46
1987/12/07	5.20
1987/12/08	5.33
1987/12/09	5.75
1987/12/10	5.33
1987/12/11	5.33
1987/12/12	5.33
1987/12/13	4.93
1987/12/14	4.79
1987/12/15	3.37
1987/12/16	4.00
1987/12/17	4.52
1987/12/18	3.25
1987/12/19	3.37
1987/12/20	1.76
1987/12/21	1.31
1987/12/22	3.13
1987/12/23	4.13
1987/12/24	6.35
1987/12/25	5.90
1987/12/26	4.00
1987/12/27	4.13
1987/12/28	4.52
1987/12/29	3.75
1987/12/30	1.99
1987/12/31	1.88
#===========================================
# Number of observations = 365 / 365
# Average = 17.16