1988/01/01	7.18
1988/01/02	6.96
1988/01/03	6.52
1988/01/04	6.52
1988/01/05	6.52
1988/01/06	6.30
1988/01/07	6.30
1988/01/08	6.10
1988/01/09	6.10
1988/01/10	5.90
1988/01/11	5.90
1988/01/12	5.70
1988/01/13	5.70
1988/01/14	5.50
1988/01/15	5.50
1988/01/16	5.50
1988/01/17	5.30
1988/01/18	5.30
1988/01/19	5.10
1988/01/20	5.10
1988/01/21	4.90
1988/01/22	4.90
1988/01/23	4.90
1988/01/24	4.70
1988/01/25	4.70
1988/01/26	4.70
1988/01/27	4.70
1988/01/28	4.70
1988/01/29	4.70
1988/01/30	4.50
1988/01/31	4.50
1988/02/01	4.50
1988/02/02	4.50
1988/02/03	4.30
1988/02/04	4.30
1988/02/05	4.12
1988/02/06	4.12
1988/02/07	3.94
1988/02/08	3.94
1988/02/09	3.76
1988/02/10	3.76
1988/02/11	3.58
1988/02/12	3.58
1988/02/13	3.40
1988/02/14	3.40
1988/02/15	3.58
1988/02/16	3.76
1988/02/17	3.76
1988/02/18	3.58
1988/02/19	4.70
1988/02/20	5.10
1988/02/21	5.50
1988/02/22	4.90
1988/02/23	4.90
1988/02/24	4.50
1988/02/25	3.94
1988/02/26	3.76
1988/02/27	3.58
1988/02/28	3.22
1988/02/29	3.22
1988/03/01	3.04
1988/03/02	3.04
1988/03/03	2.86
1988/03/04	2.86
1988/03/05	2.68
1988/03/06	2.86
1988/03/07	3.04
1988/03/08	3.40
1988/03/09	3.22
1988/03/10	3.04
1988/03/11	3.04
1988/03/12	2.86
1988/03/13	2.86
1988/03/14	2.68
1988/03/15	2.68
1988/03/16	2.20
1988/03/17	2.05
1988/03/18	2.05
1988/03/19	2.05
1988/03/20	1.90
1988/03/21	1.75
1988/03/22	1.75
1988/03/23	1.75
1988/03/24	1.75
1988/03/25	1.60
1988/03/26	1.45
1988/03/27	1.45
1988/03/28	1.45
1988/03/29	1.45
1988/03/30	1.30
1988/03/31	1.30
1988/04/01	1.36
1988/04/02	1.18
1988/04/03	1.18
1988/04/04	1.00
1988/04/05	1.00
1988/04/06	1.18
1988/04/07	1.18
1988/04/08	1.00
1988/04/09	1.36
1988/04/10	1.36
1988/04/11	2.08
1988/04/12	4.40
1988/04/13	3.80
1988/04/14	2.44
1988/04/15	9.00
1988/04/16	3.60
1988/04/17	5.20
1988/04/18	7.40
1988/04/19	10.00
1988/04/20	13.20
1988/04/21	11.52
1988/04/22	8.80
1988/04/23	6.60
1988/04/24	4.60
1988/04/25	4.00
1988/04/26	4.20
1988/04/27	4.60
1988/04/28	6.40
1988/04/29	8.20
1988/04/30	7.20
1988/05/01	30.70
1988/05/02	17.96
1988/05/03	25.66
1988/05/04	27.86
1988/05/05	22.44
1988/05/06	59.17
1988/05/07	58.80
1988/05/08	42.52
1988/05/09	36.04
1988/05/10	21.32
1988/05/11	17.68
1988/05/12	45.85
1988/05/13	21.60
1988/05/14	47.70
1988/05/15	62.13
1988/05/16	132.50
1988/05/17	134.00
1988/05/18	138.00
1988/05/19	139.50
1988/05/20	125.00
1988/05/21	94.83
1988/05/22	65.09
1988/05/23	34.76
1988/05/24	22.72
1988/05/25	17.96
1988/05/26	14.60
1988/05/27	13.20
1988/05/28	11.52
1988/05/29	11.52
1988/05/30	21.60
1988/05/31	12.24
1988/06/01	13.20
1988/06/02	17.68
1988/06/03	80.73
1988/06/04	107.50
1988/06/05	112.00
1988/06/06	75.10
1988/06/07	59.17
1988/06/08	52.14
1988/06/09	41.04
1988/06/10	38.32
1988/06/11	33.18
1988/06/12	29.12
1988/06/13	25.66
1988/06/14	28.81
1988/06/15	20.76
1988/06/16	17.96
1988/06/17	16.28
1988/06/18	15.72
1988/06/19	15.44
1988/06/20	25.34
1988/06/21	18.80
1988/06/22	17.12
1988/06/23	16.00
1988/06/24	12.72
1988/06/25	15.72
1988/06/26	10.80
1988/06/27	10.60
1988/06/28	10.40
1988/06/29	9.80
1988/06/30	9.60
1988/07/01	12.24
1988/07/02	19.36
1988/07/03	20.20
1988/07/04	17.68
1988/07/05	15.16
1988/07/06	21.04
1988/07/07	29.12
1988/07/08	27.55
1988/07/09	25.34
1988/07/10	17.96
1988/07/11	16.00
1988/07/12	15.72
1988/07/13	17.96
1988/07/14	21.32
1988/07/15	38.65
1988/07/16	45.85
1988/07/17	77.50
1988/07/18	111.10
1988/07/19	103.45
1988/07/20	84.79
1988/07/21	71.10
1988/07/22	61.39
1988/07/23	53.62
1988/07/24	45.11
1988/07/25	35.40
1988/07/26	29.44
1988/07/27	27.23
1988/07/28	35.08
1988/07/29	34.44
1988/07/30	37.33
1988/07/31	30.70
1988/08/01	31.63
1988/08/02	30.07
1988/08/03	27.86
1988/08/04	30.39
1988/08/05	46.22
1988/08/06	57.69
1988/08/07	57.32
1988/08/08	76.30
1988/08/09	85.59
1988/08/10	80.33
1988/08/11	75.50
1988/08/12	64.72
1988/08/13	77.10
1988/08/14	82.35
1988/08/15	92.30
1988/08/16	93.14
1988/08/17	78.30
1988/08/18	70.70
1988/08/19	71.50
1988/08/20	116.95
1988/08/21	147.00
1988/08/22	127.50
1988/08/23	110.65
1988/08/24	81.54
1988/08/25	65.46
1988/08/26	75.10
1988/08/27	71.10
1988/08/28	68.42
1988/08/29	71.90
1988/08/30	83.16
1988/08/31	83.57
1988/09/01	88.10
1988/09/02	82.35
1988/09/03	62.87
1988/09/04	52.88
1988/09/05	56.58
1988/09/06	59.17
1988/09/07	64.35
1988/09/08	59.54
1988/09/09	53.25
1988/09/10	49.92
1988/09/11	47.70
1988/09/12	44.74
1988/09/13	53.25
1988/09/14	54.36
1988/09/15	58.43
1988/09/16	59.17
1988/09/17	51.77
1988/09/18	44.37
1988/09/19	39.97
1988/09/20	35.72
1988/09/21	35.08
1988/09/22	38.32
1988/09/23	33.18
1988/09/24	30.07
1988/09/25	26.61
1988/09/26	24.40
1988/09/27	23.28
1988/09/28	24.12
1988/09/29	27.23
1988/09/30	27.55
1988/10/01	24.71
1988/10/02	21.32
1988/10/03	21.60
1988/10/04	33.49
1988/10/05	84.79
1988/10/06	120.55
1988/10/07	143.00
1988/10/08	113.35
1988/10/09	100.85
1988/10/10	91.04
1988/10/11	79.52
1988/10/12	63.61
1988/10/13	59.17
1988/10/14	88.94
1988/10/15	96.12
1988/10/16	121.50
1988/10/17	93.56
1988/10/18	79.11
1988/10/19	83.57
1988/10/20	103.90
1988/10/21	94.83
1988/10/22	75.90
1988/10/23	65.09
1988/10/24	55.47
1988/10/25	61.39
1988/10/26	85.19
1988/10/27	77.90
1988/10/28	73.90
1988/10/29	60.65
1988/10/30	49.55
1988/10/31	42.52
1988/11/01	38.65
1988/11/02	35.08
1988/11/03	32.56
1988/11/04	29.75
1988/11/05	28.18
1988/11/06	25.97
1988/11/07	24.12
1988/11/08	23.28
1988/11/09	22.72
1988/11/10	21.88
1988/11/11	21.04
1988/11/12	19.92
1988/11/13	19.08
1988/11/14	18.52
1988/11/15	17.96
1988/11/16	17.68
1988/11/17	17.40
1988/11/18	16.84
1988/11/19	16.56
1988/11/20	16.00
1988/11/21	15.16
1988/11/22	14.60
1988/11/23	14.04
1988/11/24	13.20
1988/11/25	13.20
1988/11/26	12.96
1988/11/27	12.72
1988/11/28	12.48
1988/11/29	12.00
1988/11/30	11.52
1988/12/01	11.52
1988/12/02	11.28
1988/12/03	11.04
1988/12/04	10.80
1988/12/05	10.60
1988/12/06	10.40
1988/12/07	10.40
1988/12/08	10.20
1988/12/09	10.00
1988/12/10	9.80
1988/12/11	9.60
1988/12/12	9.40
1988/12/13	9.20
1988/12/14	9.00
1988/12/15	8.80
1988/12/16	8.80
1988/12/17	8.60
1988/12/18	8.40
1988/12/19	8.40
1988/12/20	8.20
1988/12/21	8.00
1988/12/22	8.00
1988/12/23	8.00
1988/12/24	7.80
1988/12/25	7.80
1988/12/26	7.60
1988/12/27	7.40
1988/12/28	7.20
1988/12/29	7.00
1988/12/30	6.80
1988/12/31	6.80
#===========================================
# Number of observations = 366 / 366
# Average = 30.49