1987/01/01	1.75
1987/01/02	1.75
1987/01/03	1.00
1987/01/04	1.30
1987/01/05	1.60
1987/01/06	1.90
1987/01/07	2.80
1987/01/08	2.65
1987/01/09	2.50
1987/01/10	2.50
1987/01/11	2.50
1987/01/12	2.35
1987/01/13	2.35
1987/01/14	2.35
1987/01/15	2.35
1987/01/16	2.35
1987/01/17	2.35
1987/01/18	2.20
1987/01/19	2.05
1987/01/20	1.90
1987/01/21	1.90
1987/01/22	1.90
1987/01/23	1.90
1987/01/24	1.90
1987/01/25	2.35
1987/01/26	2.20
1987/01/27	1.90
1987/01/28	1.90
1987/01/29	1.90
1987/01/30	1.90
1987/01/31	1.90
1987/02/01	1.90
1987/02/02	1.90
1987/02/03	1.90
1987/02/04	1.60
1987/02/05	1.45
1987/02/06	1.15
1987/02/07	1.15
1987/02/08	1.30
1987/02/09	1.45
1987/02/10	1.60
1987/02/11	1.90
1987/02/12	2.35
1987/02/13	2.50
1987/02/14	2.50
1987/02/15	2.35
1987/02/16	2.35
1987/02/17	3.25
1987/02/18	3.40
1987/02/19	3.10
1987/02/20	2.80
1987/02/21	2.80
1987/02/22	2.65
1987/02/23	2.35
1987/02/24	2.05
1987/02/25	2.05
1987/02/26	1.90
1987/02/27	2.05
1987/02/28	2.05
1987/03/01	2.05
1987/03/02	2.05
1987/03/03	1.90
1987/03/04	1.90
1987/03/05	1.90
1987/03/06	1.75
1987/03/07	1.90
1987/03/08	1.90
1987/03/09	1.75
1987/03/10	1.90
1987/03/11	1.75
1987/03/12	1.75
1987/03/13	1.75
1987/03/14	1.75
1987/03/15	1.75
1987/03/16	1.60
1987/03/17	1.75
1987/03/18	1.75
1987/03/19	1.60
1987/03/20	1.75
1987/03/21	1.60
1987/03/22	1.60
1987/03/23	1.60
1987/03/24	1.60
1987/03/25	1.45
1987/03/26	1.45
1987/03/27	1.45
1987/03/28	1.45
1987/03/29	1.45
1987/03/30	1.45
1987/03/31	1.45
1987/04/01	1.45
1987/04/02	1.75
1987/04/03	1.45
1987/04/04	1.60
1987/04/05	1.45
1987/04/06	1.45
1987/04/07	1.60
1987/04/08	1.60
1987/04/09	1.60
1987/04/10	1.45
1987/04/11	1.60
1987/04/12	1.60
1987/04/13	1.60
1987/04/14	1.60
1987/04/15	1.45
1987/04/16	10.76
1987/04/17	2.35
1987/04/18	1.45
1987/04/19	1.00
1987/04/20	2.50
1987/04/21	1.75
1987/04/22	1.30
1987/04/23	1.90
1987/04/24	0.90
1987/04/25	0.90
1987/04/26	0.90
1987/04/27	1.30
1987/04/28	1.90
1987/04/29	4.92
1987/04/30	2.50
1987/05/01	2.50
1987/05/02	4.92
1987/05/03	12.80
1987/05/04	8.37
1987/05/05	5.61
1987/05/06	5.15
1987/05/07	4.46
1987/05/08	3.40
1987/05/09	2.50
1987/05/10	2.05
1987/05/11	2.95
1987/05/12	1.90
1987/05/13	1.60
1987/05/14	2.05
1987/05/15	2.20
1987/05/16	1.60
1987/05/17	1.45
1987/05/18	1.15
1987/05/19	1.15
1987/05/20	0.60
1987/05/21	0.50
1987/05/22	0.40
1987/05/23	0.40
1987/05/24	0.40
1987/05/25	0.40
1987/05/26	0.30
1987/05/27	0.40
1987/05/28	0.30
1987/05/29	0.60
1987/05/30	1.00
1987/05/31	0.80
1987/06/01	0.50
1987/06/02	0.40
1987/06/03	0.40
1987/06/04	3.70
1987/06/05	2.05
1987/06/06	9.80
1987/06/07	8.14
1987/06/08	2.65
1987/06/09	3.85
1987/06/10	8.84
1987/06/11	8.14
1987/06/12	8.60
1987/06/13	20.30
1987/06/14	38.00
1987/06/15	36.00
1987/06/16	26.40
1987/06/17	17.85
1987/06/18	10.76
1987/06/19	10.28
1987/06/20	7.91
1987/06/21	7.91
1987/06/22	7.91
1987/06/23	6.07
1987/06/24	6.07
1987/06/25	5.38
1987/06/26	4.92
1987/06/27	5.15
1987/06/28	5.15
1987/06/29	4.46
1987/06/30	4.92
1987/07/01	6.07
1987/07/02	5.61
1987/07/03	4.92
1987/07/04	4.69
1987/07/05	3.85
1987/07/06	3.55
1987/07/07	3.40
1987/07/08	5.15
1987/07/09	6.30
1987/07/10	7.22
1987/07/11	7.68
1987/07/12	7.91
1987/07/13	7.45
1987/07/14	6.99
1987/07/15	6.53
1987/07/16	6.07
1987/07/17	6.07
1987/07/18	5.84
1987/07/19	5.15
1987/07/20	5.15
1987/07/21	5.84
1987/07/22	5.15
1987/07/23	5.15
1987/07/24	6.76
1987/07/25	8.84
1987/07/26	7.45
1987/07/27	8.14
1987/07/28	10.04
1987/07/29	10.76
1987/07/30	9.32
1987/07/31	8.14
1987/08/01	6.07
1987/08/02	4.92
1987/08/03	3.85
1987/08/04	3.55
1987/08/05	3.10
1987/08/06	3.25
1987/08/07	4.23
1987/08/08	2.50
1987/08/09	2.95
1987/08/10	2.65
1987/08/11	4.69
1987/08/12	2.50
1987/08/13	1.60
1987/08/14	1.30
1987/08/15	1.00
1987/08/16	18.55
1987/08/17	17.50
1987/08/18	26.40
1987/08/19	27.75
1987/08/20	49.40
1987/08/21	173.60
1987/08/22	153.50
1987/08/23	111.30
1987/08/24	82.75
1987/08/25	83.50
1987/08/26	281.80
1987/08/27	435.60
1987/08/28	332.40
1987/08/29	227.60
1987/08/30	164.50
1987/08/31	115.80
1987/09/01	120.40
1987/09/02	127.05
1987/09/03	107.80
1987/09/04	85.00
1987/09/05	87.25
1987/09/06	110.40
1987/09/07	109.50
1987/09/08	116.70
1987/09/09	132.00
1987/09/10	150.20
1987/09/11	136.00
1987/09/12	138.00
1987/09/13	96.75
1987/09/14	95.05
1987/09/15	166.70
1987/09/16	269.25
1987/09/17	350.40
1987/09/18	255.70
1987/09/19	163.40
1987/09/20	138.00
1987/09/21	132.00
1987/09/22	146.00
1987/09/23	261.50
1987/09/24	272.35
1987/09/25	180.80
1987/09/26	121.35
1987/09/27	97.60
1987/09/28	123.25
1987/09/29	199.00
1987/09/30	167.80
1987/10/01	148.00
1987/10/02	126.10
1987/10/03	107.80
1987/10/04	98.45
1987/10/05	129.00
1987/10/06	114.90
1987/10/07	98.45
1987/10/08	84.25
1987/10/09	71.50
1987/10/10	88.00
1987/10/11	94.20
1987/10/12	102.70
1987/10/13	85.75
1987/10/14	65.45
1987/10/15	51.15
1987/10/16	47.75
1987/10/17	43.35
1987/10/18	44.45
1987/10/19	51.80
1987/10/20	44.45
1987/10/21	38.50
1987/10/22	39.50
1987/10/23	37.50
1987/10/24	41.70
1987/10/25	41.15
1987/10/26	34.50
1987/10/27	34.50
1987/10/28	30.00
1987/10/29	25.95
1987/10/30	23.25
1987/10/31	19.60
1987/11/01	17.50
1987/11/02	15.40
1987/11/03	14.00
1987/11/04	14.00
1987/11/05	13.10
1987/11/06	20.30
1987/11/07	29.10
1987/11/08	35.00
1987/11/09	61.55
1987/11/10	126.10
1987/11/11	153.50
1987/11/12	145.00
1987/11/13	98.45
1987/11/14	82.00
1987/11/15	66.75
1987/11/16	62.85
1987/11/17	65.45
1987/11/18	60.90
1987/11/19	55.70
1987/11/20	43.35
1987/11/21	40.60
1987/11/22	39.00
1987/11/23	37.50
1987/11/24	41.70
1987/11/25	34.05
1987/11/26	29.55
1987/11/27	28.20
1987/11/28	26.40
1987/11/29	21.45
1987/11/30	18.20
1987/12/01	20.30
1987/12/02	21.00
1987/12/03	17.15
1987/12/04	14.35
1987/12/05	12.50
1987/12/06	12.20
1987/12/07	11.90
1987/12/08	11.30
1987/12/09	11.00
1987/12/10	10.52
1987/12/11	10.04
1987/12/12	9.56
1987/12/13	9.56
1987/12/14	9.56
1987/12/15	9.32
1987/12/16	8.84
1987/12/17	8.37
1987/12/18	7.45
1987/12/19	6.30
1987/12/20	5.15
1987/12/21	4.92
1987/12/22	4.46
1987/12/23	4.46
1987/12/24	4.46
1987/12/25	4.46
1987/12/26	4.69
1987/12/27	4.69
1987/12/28	4.69
1987/12/29	4.46
1987/12/30	4.23
1987/12/31	4.23
#===========================================
# Number of observations = 365 / 365
# Average = 31.88