1988/01/01	20.60
1988/01/02	20.60
1988/01/03	20.60
1988/01/04	20.10
1988/01/05	19.60
1988/01/06	19.16
1988/01/07	18.72
1988/01/08	18.28
1988/01/09	18.28
1988/01/10	18.28
1988/01/11	18.28
1988/01/12	17.40
1988/01/13	16.96
1988/01/14	18.28
1988/01/15	17.84
1988/01/16	17.40
1988/01/17	16.96
1988/01/18	16.52
1988/01/19	16.08
1988/01/20	16.08
1988/01/21	16.08
1988/01/22	15.64
1988/01/23	15.20
1988/01/24	14.80
1988/01/25	14.40
1988/01/26	14.40
1988/01/27	14.00
1988/01/28	13.60
1988/01/29	13.60
1988/01/30	13.60
1988/01/31	13.60
1988/02/01	13.20
1988/02/02	13.20
1988/02/03	12.80
1988/02/04	12.40
1988/02/05	12.00
1988/02/06	12.00
1988/02/07	12.00
1988/02/08	12.00
1988/02/09	12.00
1988/02/10	11.60
1988/02/11	11.20
1988/02/12	11.60
1988/02/13	11.60
1988/02/14	11.20
1988/02/15	11.20
1988/02/16	10.84
1988/02/17	10.84
1988/02/18	10.48
1988/02/19	10.48
1988/02/20	10.12
1988/02/21	10.12
1988/02/22	9.76
1988/02/23	9.76
1988/02/24	9.76
1988/02/25	9.40
1988/02/26	9.04
1988/02/27	8.68
1988/02/28	8.68
1988/02/29	8.68
1988/03/01	8.68
1988/03/02	8.32
1988/03/03	7.96
1988/03/04	7.96
1988/03/05	7.60
1988/03/06	7.96
1988/03/07	7.60
1988/03/08	8.32
1988/03/09	8.32
1988/03/10	8.32
1988/03/11	8.32
1988/03/12	7.96
1988/03/13	7.96
1988/03/14	7.96
1988/03/15	7.60
1988/03/16	7.29
1988/03/17	6.98
1988/03/18	6.98
1988/03/19	6.67
1988/03/20	6.67
1988/03/21	6.67
1988/03/22	6.36
1988/03/23	6.05
1988/03/24	5.74
1988/03/25	5.74
1988/03/26	5.74
1988/03/27	5.74
1988/03/28	5.43
1988/03/29	5.74
1988/03/30	5.74
1988/03/31	5.74
1988/04/01	3.30
1988/04/02	3.52
1988/04/03	3.52
1988/04/04	3.30
1988/04/05	3.30
1988/04/06	3.08
1988/04/07	3.08
1988/04/08	2.86
1988/04/09	3.30
1988/04/10	3.08
1988/04/11	3.74
1988/04/12	3.52
1988/04/13	3.52
1988/04/14	3.74
1988/04/15	4.98
1988/04/16	5.85
1988/04/17	7.30
1988/04/18	7.01
1988/04/19	13.66
1988/04/20	16.08
1988/04/21	13.29
1988/04/22	10.02
1988/04/23	7.30
1988/04/24	5.85
1988/04/25	5.85
1988/04/26	6.14
1988/04/27	6.14
1988/04/28	7.01
1988/04/29	17.34
1988/04/30	14.03
1988/05/01	11.81
1988/05/02	17.34
1988/05/03	16.50
1988/05/04	16.50
1988/05/05	19.04
1988/05/06	24.38
1988/05/07	41.51
1988/05/08	25.76
1988/05/09	14.82
1988/05/10	10.36
1988/05/11	8.32
1988/05/12	11.07
1988/05/13	15.24
1988/05/14	10.02
1988/05/15	23.92
1988/05/16	20.36
1988/05/17	20.80
1988/05/18	42.51
1988/05/19	45.06
1988/05/20	28.98
1988/05/21	20.80
1988/05/22	15.24
1988/05/23	12.92
1988/05/24	12.55
1988/05/25	11.07
1988/05/26	9.00
1988/05/27	8.32
1988/05/28	7.64
1988/05/29	6.72
1988/05/30	6.43
1988/05/31	5.56
1988/06/01	5.85
1988/06/02	5.27
1988/06/03	17.76
1988/06/04	37.59
1988/06/05	47.66
1988/06/06	59.72
1988/06/07	146.50
1988/06/08	82.47
1988/06/09	72.30
1988/06/10	55.02
1988/06/11	40.04
1988/06/12	31.28
1988/06/13	24.38
1988/06/14	24.38
1988/06/15	19.92
1988/06/16	16.92
1988/06/17	14.82
1988/06/18	14.40
1988/06/19	17.34
1988/06/20	17.34
1988/06/21	16.50
1988/06/22	15.66
1988/06/23	13.29
1988/06/24	11.81
1988/06/25	11.44
1988/06/26	11.81
1988/06/27	12.55
1988/06/28	12.55
1988/06/29	13.29
1988/06/30	15.66
1988/07/01	18.18
1988/07/02	16.50
1988/07/03	14.40
1988/07/04	14.03
1988/07/05	12.55
1988/07/06	12.18
1988/07/07	14.82
1988/07/08	14.82
1988/07/09	15.24
1988/07/10	13.66
1988/07/11	15.66
1988/07/12	17.76
1988/07/13	50.46
1988/07/14	69.72
1988/07/15	39.06
1988/07/16	38.57
1988/07/17	44.55
1988/07/18	38.08
1988/07/19	37.10
1988/07/20	34.16
1988/07/21	39.06
1988/07/22	36.12
1988/07/23	31.74
1988/07/24	29.90
1988/07/25	28.06
1988/07/26	29.44
1988/07/27	24.84
1988/07/28	23.00
1988/07/29	22.12
1988/07/30	22.12
1988/07/31	22.56
1988/08/01	44.04
1988/08/02	62.77
1988/08/03	53.28
1988/08/04	48.22
1988/08/05	45.06
1988/08/06	38.57
1988/08/07	35.63
1988/08/08	38.08
1988/08/09	36.12
1988/08/10	34.65
1988/08/11	34.65
1988/08/12	31.74
1988/08/13	30.36
1988/08/14	38.08
1988/08/15	39.06
1988/08/16	42.00
1988/08/17	50.46
1988/08/18	59.11
1988/08/19	59.11
1988/08/20	64.60
1988/08/21	59.72
1988/08/22	49.34
1988/08/23	41.51
1988/08/24	42.00
1988/08/25	51.02
1988/08/26	53.28
1988/08/27	46.59
1988/08/28	42.00
1988/08/29	47.66
1988/08/30	60.33
1988/08/31	53.86
1988/09/01	49.34
1988/09/02	46.59
1988/09/03	40.53
1988/09/04	39.55
1988/09/05	35.63
1988/09/06	35.14
1988/09/07	37.59
1988/09/08	35.63
1988/09/09	38.57
1988/09/10	41.02
1988/09/11	52.14
1988/09/12	43.02
1988/09/13	39.55
1988/09/14	40.04
1988/09/15	50.46
1988/09/16	45.06
1988/09/17	42.51
1988/09/18	40.04
1988/09/19	45.57
1988/09/20	60.33
1988/09/21	51.02
1988/09/22	40.04
1988/09/23	35.63
1988/09/24	32.69
1988/09/25	30.82
1988/09/26	29.44
1988/09/27	28.52
1988/09/28	29.44
1988/09/29	35.14
1988/09/30	32.20
1988/10/01	32.69
1988/10/02	29.44
1988/10/03	36.12
1988/10/04	52.70
1988/10/05	38.08
1988/10/06	35.63
1988/10/07	40.53
1988/10/08	36.61
1988/10/09	34.16
1988/10/10	31.74
1988/10/11	36.61
1988/10/12	34.65
1988/10/13	39.06
1988/10/14	79.63
1988/10/15	160.20
1988/10/16	140.20
1988/10/17	130.45
1988/10/18	121.95
1988/10/19	218.50
1988/10/20	191.50
1988/10/21	162.06
1988/10/22	109.20
1988/10/23	89.78
1988/10/24	92.76
1988/10/25	90.52
1988/10/26	83.18
1988/10/27	67.16
1988/10/28	60.94
1988/10/29	55.60
1988/10/30	49.90
1988/10/31	48.78
1988/11/01	48.22
1988/11/02	46.59
1988/11/03	46.08
1988/11/04	45.57
1988/11/05	45.06
1988/11/06	44.04
1988/11/07	43.02
1988/11/08	42.00
1988/11/09	41.51
1988/11/10	41.02
1988/11/11	40.53
1988/11/12	40.04
1988/11/13	39.06
1988/11/14	38.57
1988/11/15	38.08
1988/11/16	39.55
1988/11/17	49.34
1988/11/18	81.76
1988/11/19	110.05
1988/11/20	98.08
1988/11/21	65.88
1988/11/22	55.60
1988/11/23	50.46
1988/11/24	47.10
1988/11/25	44.55
1988/11/26	42.00
1988/11/27	41.02
1988/11/28	39.55
1988/11/29	38.57
1988/11/30	37.59
1988/12/01	36.12
1988/12/02	36.12
1988/12/03	35.14
1988/12/04	34.16
1988/12/05	33.67
1988/12/06	33.18
1988/12/07	32.20
1988/12/08	31.74
1988/12/09	31.28
1988/12/10	30.36
1988/12/11	30.36
1988/12/12	30.36
1988/12/13	30.36
1988/12/14	29.44
1988/12/15	28.98
1988/12/16	28.52
1988/12/17	27.60
1988/12/18	26.68
1988/12/19	26.68
1988/12/20	26.22
1988/12/21	26.22
1988/12/22	25.76
1988/12/23	25.30
1988/12/24	25.30
1988/12/25	24.84
1988/12/26	24.38
1988/12/27	23.46
1988/12/28	23.46
1988/12/29	23.00
1988/12/30	23.00
1988/12/31	23.00
#===========================================
# Number of observations = 366 / 366
# Total = 10956.8
# Average = 29.94