1986/01/01	24.00
1986/01/02	23.20
1986/01/03	22.80
1986/01/04	22.40
1986/01/05	21.60
1986/01/06	20.80
1986/01/07	20.40
1986/01/08	20.00
1986/01/09	19.40
1986/01/10	18.80
1986/01/11	18.50
1986/01/12	18.20
1986/01/13	17.90
1986/01/14	17.90
1986/01/15	17.60
1986/01/16	17.30
1986/01/17	17.00
1986/01/18	16.70
1986/01/19	16.40
1986/01/20	16.10
1986/01/21	15.80
1986/01/22	15.50
1986/01/23	15.20
1986/01/24	14.60
1986/01/25	14.60
1986/01/26	14.60
1986/01/27	14.30
1986/01/28	14.00
1986/01/29	13.70
1986/01/30	13.70
1986/01/31	13.40
1986/02/01	13.40
1986/02/02	13.40
1986/02/03	13.10
1986/02/04	12.80
1986/02/05	12.80
1986/02/06	12.80
1986/02/07	12.80
1986/02/08	12.80
1986/02/09	12.50
1986/02/10	12.50
1986/02/11	12.20
1986/02/12	12.20
1986/02/13	12.20
1986/02/14	12.20
1986/02/15	11.90
1986/02/16	11.90
1986/02/17	11.90
1986/02/18	11.90
1986/02/19	11.90
1986/02/20	11.60
1986/02/21	11.00
1986/02/22	10.70
1986/02/23	10.40
1986/02/24	10.10
1986/02/25	10.10
1986/02/26	10.10
1986/02/27	10.10
1986/02/28	10.10
1986/03/01	10.10
1986/03/02	9.80
1986/03/03	9.80
1986/03/04	9.50
1986/03/05	9.20
1986/03/06	9.50
1986/03/07	9.50
1986/03/08	9.50
1986/03/09	9.50
1986/03/10	9.50
1986/03/11	9.50
1986/03/12	9.80
1986/03/13	9.50
1986/03/14	9.80
1986/03/15	9.50
1986/03/16	9.20
1986/03/17	8.90
1986/03/18	8.60
1986/03/19	8.60
1986/03/20	8.60
1986/03/21	8.60
1986/03/22	8.90
1986/03/23	8.60
1986/03/24	8.60
1986/03/25	8.30
1986/03/26	8.00
1986/03/27	8.00
1986/03/28	8.00
1986/03/29	8.00
1986/03/30	8.00
1986/03/31	8.00
1986/04/01	7.50
1986/04/02	7.50
1986/04/03	7.50
1986/04/04	7.30
1986/04/05	7.90
1986/04/06	8.30
1986/04/07	8.30
1986/04/08	9.00
1986/04/09	9.00
1986/04/10	8.60
1986/04/11	8.30
1986/04/12	8.60
1986/04/13	17.70
1986/04/14	16.20
1986/04/15	12.60
1986/04/16	10.80
1986/04/17	10.50
1986/04/18	10.50
1986/04/19	10.20
1986/04/20	13.80
1986/04/21	14.70
1986/04/22	12.00
1986/04/23	10.80
1986/04/24	10.50
1986/04/25	10.50
1986/04/26	11.70
1986/04/27	14.40
1986/04/28	13.20
1986/04/29	13.80
1986/04/30	14.40
1986/05/01	15.90
1986/05/02	16.20
1986/05/03	15.30
1986/05/04	18.00
1986/05/05	17.40
1986/05/06	17.10
1986/05/07	16.50
1986/05/08	23.70
1986/05/09	24.20
1986/05/10	43.00
1986/05/11	62.70
1986/05/12	57.60
1986/05/13	48.10
1986/05/14	38.00
1986/05/15	30.00
1986/05/16	25.10
1986/05/17	24.20
1986/05/18	26.10
1986/05/19	28.50
1986/05/20	31.50
1986/05/21	35.50
1986/05/22	38.50
1986/05/23	40.50
1986/05/24	41.50
1986/05/25	40.00
1986/05/26	37.00
1986/05/27	29.00
1986/05/28	23.20
1986/05/29	20.00
1986/05/30	20.00
1986/05/31	20.40
1986/06/01	22.30
1986/06/02	24.60
1986/06/03	28.00
1986/06/04	32.50
1986/06/05	36.50
1986/06/06	39.50
1986/06/07	41.00
1986/06/08	41.00
1986/06/09	37.00
1986/06/10	31.00
1986/06/11	24.60
1986/06/12	20.90
1986/06/13	18.30
1986/06/14	21.40
1986/06/15	20.90
1986/06/16	24.60
1986/06/17	30.00
1986/06/18	35.50
1986/06/19	39.50
1986/06/20	41.50
1986/06/21	43.00
1986/06/22	43.00
1986/06/23	44.90
1986/06/24	46.20
1986/06/25	46.80
1986/06/26	46.20
1986/06/27	43.60
1986/06/28	39.50
1986/06/29	34.50
1986/06/30	30.00
1986/07/01	27.00
1986/07/02	25.60
1986/07/03	23.70
1986/07/04	22.30
1986/07/05	21.80
1986/07/06	20.00
1986/07/07	18.60
1986/07/08	17.10
1986/07/09	16.80
1986/07/10	16.80
1986/07/11	17.40
1986/07/12	16.20
1986/07/13	15.60
1986/07/14	15.00
1986/07/15	12.60
1986/07/16	11.70
1986/07/17	11.70
1986/07/18	11.10
1986/07/19	11.10
1986/07/20	13.50
1986/07/21	15.90
1986/07/22	18.60
1986/07/23	18.00
1986/07/24	17.40
1986/07/25	15.30
1986/07/26	14.40
1986/07/27	16.80
1986/07/28	17.40
1986/07/29	18.60
1986/07/30	23.70
1986/07/31	29.50
1986/08/01	35.50
1986/08/02	40.50
1986/08/03	46.80
1986/08/04	51.20
1986/08/05	55.00
1986/08/06	56.90
1986/08/07	58.80
1986/08/08	61.40
1986/08/09	72.50
1986/08/10	78.10
1986/08/11	117.20
1986/08/12	162.30
1986/08/13	173.30
1986/08/14	174.40
1986/08/15	171.10
1986/08/16	158.00
1986/08/17	143.00
1986/08/18	124.00
1986/08/19	111.80
1986/08/20	101.90
1986/08/21	94.70
1986/08/22	89.30
1986/08/23	83.00
1986/08/24	76.00
1986/08/25	68.30
1986/08/26	61.40
1986/08/27	54.40
1986/08/28	55.00
1986/08/29	75.30
1986/08/30	101.00
1986/08/31	123.00
1986/09/01	129.00
1986/09/02	120.00
1986/09/03	109.10
1986/09/04	100.10
1986/09/05	92.90
1986/09/06	101.00
1986/09/07	102.80
1986/09/08	107.30
1986/09/09	122.00
1986/09/10	162.30
1986/09/11	151.00
1986/09/12	147.00
1986/09/13	149.00
1986/09/14	154.00
1986/09/15	158.00
1986/09/16	155.00
1986/09/17	147.00
1986/09/18	142.00
1986/09/19	140.00
1986/09/20	137.00
1986/09/21	138.00
1986/09/22	141.00
1986/09/23	142.00
1986/09/24	139.00
1986/09/25	134.00
1986/09/26	132.00
1986/09/27	129.00
1986/09/28	136.00
1986/09/29	124.00
1986/09/30	120.00
1986/10/01	116.30
1986/10/02	124.00
1986/10/03	149.00
1986/10/04	165.60
1986/10/05	143.00
1986/10/06	119.00
1986/10/07	76.70
1986/10/08	60.10
1986/10/09	60.70
1986/10/10	45.50
1986/10/11	36.00
1986/10/12	31.50
1986/10/13	28.50
1986/10/14	25.60
1986/10/15	26.60
1986/10/16	23.70
1986/10/17	23.20
1986/10/18	23.70
1986/10/19	25.60
1986/10/20	23.20
1986/10/21	20.90
1986/10/22	20.40
1986/10/23	18.60
1986/10/24	18.60
1986/10/25	20.90
1986/10/26	24.20
1986/10/27	20.90
1986/10/28	19.50
1986/10/29	30.00
1986/10/30	42.00
1986/10/31	47.40
1986/11/01	36.00
1986/11/02	34.00
1986/11/03	33.50
1986/11/04	33.00
1986/11/05	34.00
1986/11/06	32.50
1986/11/07	32.00
1986/11/08	30.00
1986/11/09	28.00
1986/11/10	25.10
1986/11/11	23.20
1986/11/12	21.80
1986/11/13	19.50
1986/11/14	18.30
1986/11/15	17.40
1986/11/16	16.80
1986/11/17	16.20
1986/11/18	15.00
1986/11/19	14.70
1986/11/20	14.10
1986/11/21	13.80
1986/11/22	13.50
1986/11/23	13.50
1986/11/24	13.50
1986/11/25	13.20
1986/11/26	13.50
1986/11/27	14.10
1986/11/28	15.00
1986/11/29	15.00
1986/11/30	15.30
1986/12/01	15.30
1986/12/02	15.30
1986/12/03	15.30
1986/12/04	15.30
1986/12/05	15.30
1986/12/06	15.30
1986/12/07	15.30
1986/12/08	15.30
1986/12/09	15.00
1986/12/10	15.00
1986/12/11	15.00
1986/12/12	15.90
1986/12/13	16.20
1986/12/14	16.20
1986/12/15	15.90
1986/12/16	15.60
1986/12/17	15.60
1986/12/18	15.90
1986/12/19	15.60
1986/12/20	15.60
1986/12/21	15.30
1986/12/22	15.00
1986/12/23	14.70
1986/12/24	14.70
1986/12/25	14.70
1986/12/26	14.40
1986/12/27	13.80
1986/12/28	13.50
1986/12/29	13.50
1986/12/30	13.20
1986/12/31	13.20
#===========================================
# Number of observations = 365 / 365
# Average = 37.08