1988/01/01	7.82
1988/01/02	6.65
1988/01/03	6.65
1988/01/04	6.26
1988/01/05	6.26
1988/01/06	6.26
1988/01/07	6.26
1988/01/08	5.87
1988/01/09	5.87
1988/01/10	5.87
1988/01/11	5.48
1988/01/12	5.48
1988/01/13	5.48
1988/01/14	5.48
1988/01/15	5.48
1988/01/16	5.48
1988/01/17	5.87
1988/01/18	5.87
1988/01/19	5.87
1988/01/20	6.26
1988/01/21	6.26
1988/01/22	5.48
1988/01/23	5.48
1988/01/24	5.48
1988/01/25	5.48
1988/01/26	5.48
1988/01/27	5.48
1988/01/28	5.48
1988/01/29	5.48
1988/01/30	5.87
1988/01/31	5.87
1988/02/01	5.87
1988/02/02	5.87
1988/02/03	5.87
1988/02/04	5.87
1988/02/05	7.04
1988/02/06	7.43
1988/02/07	5.87
1988/02/08	5.48
1988/02/09	5.48
1988/02/10	5.48
1988/02/11	5.09
1988/02/12	5.09
1988/02/13	4.70
1988/02/14	4.41
1988/02/15	4.12
1988/02/16	4.12
1988/02/17	4.12
1988/02/18	4.12
1988/02/19	4.12
1988/02/20	4.12
1988/02/21	3.83
1988/02/22	3.25
1988/02/23	3.25
1988/02/24	3.25
1988/02/25	3.25
1988/02/26	2.96
1988/02/27	2.96
1988/02/28	2.67
1988/02/29	2.67
1988/03/01	2.96
1988/03/02	2.67
1988/03/03	2.67
1988/03/04	2.38
1988/03/05	2.38
1988/03/06	2.38
1988/03/07	2.38
1988/03/08	2.38
1988/03/09	2.09
1988/03/10	1.80
1988/03/11	1.80
1988/03/12	2.38
1988/03/13	2.38
1988/03/14	2.38
1988/03/15	2.38
1988/03/16	2.67
1988/03/17	2.67
1988/03/18	2.96
1988/03/19	2.38
1988/03/20	2.38
1988/03/21	2.09
1988/03/22	1.44
1988/03/23	1.26
1988/03/24	1.26
1988/03/25	1.08
1988/03/26	1.08
1988/03/27	1.08
1988/03/28	1.26
1988/03/29	1.44
1988/03/30	1.26
1988/03/31	1.26
1988/04/01	1.44
1988/04/02	1.44
1988/04/03	1.44
1988/04/04	1.62
1988/04/05	1.62
1988/04/06	1.62
1988/04/07	1.62
1988/04/08	1.44
1988/04/09	1.44
1988/04/10	1.26
1988/04/11	1.08
1988/04/12	1.08
1988/04/13	1.08
1988/04/14	1.44
1988/04/15	1.62
1988/04/16	1.44
1988/04/17	1.62
1988/04/18	2.09
1988/04/19	2.09
1988/04/20	2.38
1988/04/21	2.38
1988/04/22	2.67
1988/04/23	2.67
1988/04/24	2.67
1988/04/25	2.67
1988/04/26	2.67
1988/04/27	2.96
1988/04/28	2.96
1988/04/29	2.67
1988/04/30	2.67
1988/05/01	2.67
1988/05/02	2.67
1988/05/03	2.67
1988/05/04	2.38
1988/05/05	2.38
1988/05/06	4.70
1988/05/07	6.65
1988/05/08	5.48
1988/05/09	5.48
1988/05/10	5.09
1988/05/11	5.09
1988/05/12	3.83
1988/05/13	3.83
1988/05/14	4.41
1988/05/15	6.65
1988/05/16	8.21
1988/05/17	20.46
1988/05/18	31.79
1988/05/19	21.64
1988/05/20	13.60
1988/05/21	17.10
1988/05/22	13.10
1988/05/23	12.20
1988/05/24	8.21
1988/05/25	6.65
1988/05/26	3.83
1988/05/27	3.54
1988/05/28	3.54
1988/05/29	3.83
1988/05/30	3.83
1988/05/31	3.83
1988/06/01	8.21
1988/06/02	12.65
1988/06/03	12.20
1988/06/04	27.15
1988/06/05	71.65
1988/06/06	108.27
1988/06/07	165.50
1988/06/08	58.41
1988/06/09	44.35
1988/06/10	43.52
1988/06/11	31.79
1988/06/12	23.41
1988/06/13	19.87
1988/06/14	17.60
1988/06/15	14.60
1988/06/16	13.60
1988/06/17	11.30
1988/06/18	9.50
1988/06/19	8.60
1988/06/20	8.60
1988/06/21	13.60
1988/06/22	11.75
1988/06/23	10.40
1988/06/24	9.05
1988/06/25	9.05
1988/06/26	9.95
1988/06/27	11.30
1988/06/28	9.50
1988/06/29	9.05
1988/06/30	11.30
1988/07/01	13.10
1988/07/02	12.65
1988/07/03	10.85
1988/07/04	8.60
1988/07/05	8.60
1988/07/06	8.60
1988/07/07	8.21
1988/07/08	7.43
1988/07/09	7.04
1988/07/10	6.65
1988/07/11	7.43
1988/07/12	25.26
1988/07/13	24.63
1988/07/14	22.23
1988/07/15	15.10
1988/07/16	13.60
1988/07/17	20.46
1988/07/18	34.02
1988/07/19	56.31
1988/07/20	29.67
1988/07/21	25.26
1988/07/22	25.26
1988/07/23	25.89
1988/07/24	27.15
1988/07/25	21.05
1988/07/26	18.69
1988/07/27	18.10
1988/07/28	36.24
1988/07/29	19.87
1988/07/30	15.60
1988/07/31	17.10
1988/08/01	24.63
1988/08/02	27.15
1988/08/03	25.26
1988/08/04	21.05
1988/08/05	19.28
1988/08/06	17.10
1988/08/07	15.60
1988/08/08	14.60
1988/08/09	14.60
1988/08/10	14.10
1988/08/11	13.60
1988/08/12	14.10
1988/08/13	11.30
1988/08/14	10.40
1988/08/15	16.60
1988/08/16	57.36
1988/08/17	91.62
1988/08/18	61.58
1988/08/19	41.04
1988/08/20	41.87
1988/08/21	38.56
1988/08/22	29.67
1988/08/23	25.89
1988/08/24	24.00
1988/08/25	21.64
1988/08/26	41.87
1988/08/27	69.31
1988/08/28	58.41
1988/08/29	41.04
1988/08/30	29.04
1988/08/31	24.63
1988/09/01	22.23
1988/09/02	23.41
1988/09/03	19.28
1988/09/04	17.60
1988/09/05	17.10
1988/09/06	23.41
1988/09/07	27.78
1988/09/08	22.23
1988/09/09	20.46
1988/09/10	18.69
1988/09/11	17.60
1988/09/12	17.60
1988/09/13	19.28
1988/09/14	52.48
1988/09/15	97.13
1988/09/16	71.65
1988/09/17	56.31
1988/09/18	38.56
1988/09/19	34.76
1988/09/20	31.79
1988/09/21	33.27
1988/09/22	23.41
1988/09/23	20.46
1988/09/24	18.69
1988/09/25	18.10
1988/09/26	16.60
1988/09/27	15.60
1988/09/28	15.60
1988/09/29	14.10
1988/09/30	14.10
1988/10/01	13.10
1988/10/02	12.20
1988/10/03	18.69
1988/10/04	13.60
1988/10/05	18.10
1988/10/06	18.10
1988/10/07	14.60
1988/10/08	14.10
1988/10/09	13.10
1988/10/10	15.10
1988/10/11	14.10
1988/10/12	13.60
1988/10/13	14.10
1988/10/14	28.41
1988/10/15	69.31
1988/10/16	27.78
1988/10/17	22.23
1988/10/18	33.27
1988/10/19	151.10
1988/10/20	86.43
1988/10/21	48.77
1988/10/22	34.02
1988/10/23	27.15
1988/10/24	23.41
1988/10/25	20.46
1988/10/26	19.28
1988/10/27	18.10
1988/10/28	17.10
1988/10/29	16.10
1988/10/30	15.10
1988/10/31	14.10
1988/11/01	13.60
1988/11/02	13.10
1988/11/03	12.65
1988/11/04	13.10
1988/11/05	14.10
1988/11/06	13.60
1988/11/07	13.60
1988/11/08	13.60
1988/11/09	13.60
1988/11/10	13.10
1988/11/11	13.10
1988/11/12	12.65
1988/11/13	12.65
1988/11/14	12.20
1988/11/15	12.20
1988/11/16	11.75
1988/11/17	12.65
1988/11/18	21.05
1988/11/19	37.73
1988/11/20	23.41
1988/11/21	18.69
1988/11/22	17.10
1988/11/23	16.60
1988/11/24	15.10
1988/11/25	14.10
1988/11/26	14.10
1988/11/27	14.10
1988/11/28	14.10
1988/11/29	13.60
1988/11/30	11.30
1988/12/01	11.30
1988/12/02	11.30
1988/12/03	10.85
1988/12/04	10.40
1988/12/05	9.95
1988/12/06	9.95
1988/12/07	9.05
1988/12/08	9.05
1988/12/09	9.05
1988/12/10	9.05
1988/12/11	9.05
1988/12/12	8.60
1988/12/13	7.43
1988/12/14	7.04
1988/12/15	7.04
1988/12/16	7.43
1988/12/17	7.43
1988/12/18	7.43
1988/12/19	7.43
1988/12/20	7.43
1988/12/21	6.65
1988/12/22	6.65
1988/12/23	6.65
1988/12/24	6.65
1988/12/25	6.65
1988/12/26	6.65
1988/12/27	6.26
1988/12/28	6.26
1988/12/29	6.26
1988/12/30	6.26
1988/12/31	6.26
#===========================================
# Number of observations = 366 / 366
# Average = 14.87