1985/01/01	5.00
1985/01/02	4.80
1985/01/03	4.80
1985/01/04	4.80
1985/01/05	4.40
1985/01/06	4.20
1985/01/07	3.80
1985/01/08	3.60
1985/01/09	3.80
1985/01/10	4.00
1985/01/11	4.20
1985/01/12	4.00
1985/01/13	4.00
1985/01/14	4.20
1985/01/15	3.80
1985/01/16	3.80
1985/01/17	3.60
1985/01/18	3.40
1985/01/19	3.20
1985/01/20	3.00
1985/01/21	3.00
1985/01/22	3.00
1985/01/23	3.00
1985/01/24	2.90
1985/01/25	2.70
1985/01/26	2.90
1985/01/27	3.00
1985/01/28	3.00
1985/01/29	3.00
1985/01/30	2.90
1985/01/31	2.90
1985/02/01	2.90
1985/02/02	2.90
1985/02/03	2.70
1985/02/04	2.70
1985/02/05	3.20
1985/02/06	3.20
1985/02/07	3.00
1985/02/08	2.90
1985/02/09	2.70
1985/02/10	2.70
1985/02/11	2.70
1985/02/12	2.60
1985/02/13	2.60
1985/02/14	2.60
1985/02/15	2.60
1985/02/16	2.60
1985/02/17	2.40
1985/02/18	2.20
1985/02/19	2.40
1985/02/20	2.20
1985/02/21	2.20
1985/02/22	2.40
1985/02/23	2.40
1985/02/24	2.60
1985/02/25	2.60
1985/02/26	2.40
1985/02/27	2.10
1985/02/28	2.10
1985/03/01	2.20
1985/03/02	2.40
1985/03/03	2.20
1985/03/04	2.40
1985/03/05	2.60
1985/03/06	2.40
1985/03/07	2.40
1985/03/08	2.40
1985/03/09	2.40
1985/03/10	2.60
1985/03/11	2.60
1985/03/12	2.60
1985/03/13	2.60
1985/03/14	2.70
1985/03/15	2.70
1985/03/16	2.90
1985/03/17	3.00
1985/03/18	3.20
1985/03/19	3.00
1985/03/20	3.00
1985/03/21	3.00
1985/03/22	3.00
1985/03/23	3.00
1985/03/24	3.00
1985/03/25	3.20
1985/03/26	3.20
1985/03/27	3.00
1985/03/28	3.20
1985/03/29	3.00
1985/03/30	3.00
1985/03/31	3.00
1985/04/01	2.20
1985/04/02	2.20
1985/04/03	2.20
1985/04/04	2.20
1985/04/05	2.00
1985/04/06	2.00
1985/04/07	2.00
1985/04/08	2.20
1985/04/09	2.00
1985/04/10	2.20
1985/04/11	2.20
1985/04/12	2.20
1985/04/13	2.60
1985/04/14	2.60
1985/04/15	2.40
1985/04/16	2.20
1985/04/17	2.40
1985/04/18	5.00
1985/04/19	5.00
1985/04/20	3.80
1985/04/21	3.40
1985/04/22	3.20
1985/04/23	5.50
1985/04/24	9.00
1985/04/25	6.80
1985/04/26	6.50
1985/04/27	7.20
1985/04/28	16.40
1985/04/29	32.30
1985/04/30	16.90
1985/05/01	10.80
1985/05/02	13.90
1985/05/03	10.00
1985/05/04	11.10
1985/05/05	16.00
1985/05/06	15.30
1985/05/07	13.20
1985/05/08	11.80
1985/05/09	10.80
1985/05/10	20.00
1985/05/11	15.70
1985/05/12	11.10
1985/05/13	7.70
1985/05/14	6.50
1985/05/15	4.70
1985/05/16	4.20
1985/05/17	3.20
1985/05/18	2.20
1985/05/19	2.20
1985/05/20	1.90
1985/05/21	1.60
1985/05/22	4.50
1985/05/23	5.20
1985/05/24	6.00
1985/05/25	10.00
1985/05/26	30.00
1985/05/27	25.50
1985/05/28	19.60
1985/05/29	16.90
1985/05/30	19.60
1985/05/31	75.10
1985/06/01	71.10
1985/06/02	53.00
1985/06/03	53.70
1985/06/04	43.10
1985/06/05	24.50
1985/06/06	15.00
1985/06/07	10.80
1985/06/08	8.30
1985/06/09	6.80
1985/06/10	6.00
1985/06/11	5.20
1985/06/12	5.20
1985/06/13	4.20
1985/06/14	3.80
1985/06/15	3.40
1985/06/16	3.20
1985/06/17	3.20
1985/06/18	3.00
1985/06/19	3.60
1985/06/20	8.00
1985/06/21	9.00
1985/06/22	9.30
1985/06/23	13.50
1985/06/24	13.50
1985/06/25	11.40
1985/06/26	9.70
1985/06/27	8.70
1985/06/28	7.50
1985/06/29	6.20
1985/06/30	5.70
1985/07/01	6.50
1985/07/02	6.00
1985/07/03	5.00
1985/07/04	5.00
1985/07/05	4.70
1985/07/06	4.50
1985/07/07	4.20
1985/07/08	4.20
1985/07/09	5.00
1985/07/10	5.70
1985/07/11	5.50
1985/07/12	7.00
1985/07/13	7.70
1985/07/14	10.00
1985/07/15	47.90
1985/07/16	76.70
1985/07/17	52.40
1985/07/18	44.30
1985/07/19	32.90
1985/07/20	24.50
1985/07/21	25.00
1985/07/22	24.00
1985/07/23	19.20
1985/07/24	17.80
1985/07/25	21.50
1985/07/26	43.10
1985/07/27	36.50
1985/07/28	27.50
1985/07/29	30.00
1985/07/30	30.50
1985/07/31	24.00
1985/08/01	18.70
1985/08/02	16.40
1985/08/03	18.70
1985/08/04	24.00
1985/08/05	27.00
1985/08/06	28.50
1985/08/07	30.50
1985/08/08	30.50
1985/08/09	28.00
1985/08/10	27.50
1985/08/11	27.00
1985/08/12	51.10
1985/08/13	57.80
1985/08/14	55.70
1985/08/15	49.10
1985/08/16	61.30
1985/08/17	98.10
1985/08/18	242.00
1985/08/19	155.30
1985/08/20	145.80
1985/08/21	165.00
1985/08/22	277.80
1985/08/23	230.00
1985/08/24	147.40
1985/08/25	124.40
1985/08/26	119.50
1985/08/27	112.10
1985/08/28	95.40
1985/08/29	80.70
1985/08/30	68.80
1985/08/31	59.90
1985/09/01	66.50
1985/09/02	171.00
1985/09/03	141.80
1985/09/04	114.60
1985/09/05	101.70
1985/09/06	76.70
1985/09/07	63.50
1985/09/08	50.50
1985/09/09	40.10
1985/09/10	34.70
1985/09/11	89.10
1985/09/12	201.30
1985/09/13	340.00
1985/09/14	260.70
1985/09/15	259.00
1985/09/16	363.00
1985/09/17	211.70
1985/09/18	162.00
1985/09/19	115.00
1985/09/20	76.70
1985/09/21	55.00
1985/09/22	43.10
1985/09/23	38.30
1985/09/24	45.50
1985/09/25	116.20
1985/09/26	104.40
1985/09/27	98.10
1985/09/28	66.50
1985/09/29	51.10
1985/09/30	46.70
1985/10/01	65.00
1985/10/02	76.70
1985/10/03	59.90
1985/10/04	47.30
1985/10/05	40.10
1985/10/06	32.90
1985/10/07	28.00
1985/10/08	24.00
1985/10/09	19.60
1985/10/10	17.30
1985/10/11	16.00
1985/10/12	15.70
1985/10/13	15.70
1985/10/14	16.40
1985/10/15	28.00
1985/10/16	22.00
1985/10/17	21.00
1985/10/18	35.30
1985/10/19	34.70
1985/10/20	104.40
1985/10/21	95.40
1985/10/22	128.00
1985/10/23	140.30
1985/10/24	98.10
1985/10/25	65.80
1985/10/26	48.50
1985/10/27	37.10
1985/10/28	28.50
1985/10/29	27.00
1985/10/30	25.50
1985/10/31	22.00
1985/11/01	20.50
1985/11/02	20.50
1985/11/03	21.50
1985/11/04	19.60
1985/11/05	16.40
1985/11/06	15.70
1985/11/07	13.20
1985/11/08	12.10
1985/11/09	10.40
1985/11/10	10.80
1985/11/11	10.80
1985/11/12	13.90
1985/11/13	15.30
1985/11/14	35.90
1985/11/15	62.00
1985/11/16	65.00
1985/11/17	78.30
1985/11/18	129.80
1985/11/19	117.00
1985/11/20	110.10
1985/11/21	134.70
1985/11/22	132.80
1985/11/23	109.20
1985/11/24	83.90
1985/11/25	65.80
1985/11/26	56.20
1985/11/27	49.00
1985/11/28	44.40
1985/11/29	41.40
1985/11/30	39.20
1985/12/01	37.00
1985/12/02	35.30
1985/12/03	33.70
1985/12/04	31.00
1985/12/05	29.50
1985/12/06	27.00
1985/12/07	24.90
1985/12/08	24.10
1985/12/09	22.50
1985/12/10	21.70
1985/12/11	20.50
1985/12/12	19.30
1985/12/13	18.90
1985/12/14	17.80
1985/12/15	16.40
1985/12/16	15.70
1985/12/17	13.90
1985/12/18	10.50
1985/12/19	10.00
1985/12/20	9.30
1985/12/21	8.50
1985/12/22	6.70
1985/12/23	6.10
1985/12/24	6.30
1985/12/25	5.90
1985/12/26	5.90
1985/12/27	6.30
1985/12/28	5.50
1985/12/29	5.90
1985/12/30	6.50
1985/12/31	6.70
#===========================================
# Number of observations = 365 / 365
# Average = 32.07