1985/01/01	10.60
1985/01/02	10.60
1985/01/03	10.30
1985/01/04	10.00
1985/01/05	10.00
1985/01/06	10.00
1985/01/07	9.70
1985/01/08	9.70
1985/01/09	9.10
1985/01/10	8.80
1985/01/11	7.60
1985/01/12	7.60
1985/01/13	7.60
1985/01/14	7.30
1985/01/15	7.30
1985/01/16	7.30
1985/01/17	7.30
1985/01/18	7.30
1985/01/19	7.00
1985/01/20	7.00
1985/01/21	6.80
1985/01/22	6.80
1985/01/23	6.60
1985/01/24	6.40
1985/01/25	6.20
1985/01/26	6.00
1985/01/27	6.00
1985/01/28	6.00
1985/01/29	6.00
1985/01/30	5.80
1985/01/31	5.60
1985/02/01	5.00
1985/02/02	4.80
1985/02/03	4.80
1985/02/04	4.60
1985/02/05	4.60
1985/02/06	4.40
1985/02/07	4.40
1985/02/08	4.20
1985/02/09	4.00
1985/02/10	4.00
1985/02/11	4.00
1985/02/12	4.00
1985/02/13	3.80
1985/02/14	3.60
1985/02/15	3.60
1985/02/16	3.60
1985/02/17	3.60
1985/02/18	3.20
1985/02/19	3.00
1985/02/20	3.00
1985/02/21	2.80
1985/02/22	2.80
1985/02/23	2.80
1985/02/24	2.80
1985/02/25	2.80
1985/02/26	2.80
1985/02/27	2.80
1985/02/28	2.60
1985/03/01	2.60
1985/03/02	2.60
1985/03/03	2.60
1985/03/04	2.40
1985/03/05	2.40
1985/03/06	2.40
1985/03/07	2.40
1985/03/08	2.40
1985/03/09	2.40
1985/03/10	2.40
1985/03/11	2.40
1985/03/12	2.20
1985/03/13	2.00
1985/03/14	2.00
1985/03/15	1.80
1985/03/16	1.80
1985/03/17	1.80
1985/03/18	1.80
1985/03/19	1.80
1985/03/20	1.80
1985/03/21	1.60
1985/03/22	1.60
1985/03/23	1.60
1985/03/24	1.60
1985/03/25	1.60
1985/03/26	1.60
1985/03/27	1.60
1985/03/28	1.40
1985/03/29	1.40
1985/03/30	1.20
1985/03/31	1.20
1985/04/01	1.20
1985/04/02	1.20
1985/04/03	1.20
1985/04/04	1.20
1985/04/05	1.20
1985/04/06	1.20
1985/04/07	1.00
1985/04/08	1.00
1985/04/09	0.80
1985/04/10	0.80
1985/04/11	0.80
1985/04/12	0.80
1985/04/13	0.80
1985/04/14	0.80
1985/04/15	1.00
1985/04/16	1.20
1985/04/17	1.20
1985/04/18	1.20
1985/04/19	1.40
1985/04/20	1.60
1985/04/21	1.60
1985/04/22	1.60
1985/04/23	1.60
1985/04/24	2.00
1985/04/25	2.20
1985/04/26	2.60
1985/04/27	3.00
1985/04/28	4.00
1985/04/29	6.10
1985/04/30	6.10
1985/05/01	5.50
1985/05/02	11.90
1985/05/03	23.40
1985/05/04	15.70
1985/05/05	9.70
1985/05/06	7.00
1985/05/07	9.00
1985/05/08	9.40
1985/05/09	14.90
1985/05/10	15.30
1985/05/11	12.60
1985/05/12	11.50
1985/05/13	10.40
1985/05/14	16.10
1985/05/15	15.30
1985/05/16	11.90
1985/05/17	9.70
1985/05/18	8.30
1985/05/19	7.00
1985/05/20	6.10
1985/05/21	5.90
1985/05/22	5.70
1985/05/23	5.70
1985/05/24	6.10
1985/05/25	7.00
1985/05/26	50.50
1985/05/27	53.70
1985/05/28	53.10
1985/05/29	67.50
1985/05/30	91.80
1985/05/31	125.50
1985/06/01	99.80
1985/06/02	83.80
1985/06/03	104.80
1985/06/04	83.00
1985/06/05	69.60
1985/06/06	64.70
1985/06/07	51.80
1985/06/08	37.40
1985/06/09	27.10
1985/06/10	22.60
1985/06/11	18.90
1985/06/12	17.30
1985/06/13	15.70
1985/06/14	14.50
1985/06/15	16.10
1985/06/16	14.50
1985/06/17	13.40
1985/06/18	13.70
1985/06/19	26.20
1985/06/20	21.20
1985/06/21	16.10
1985/06/22	18.90
1985/06/23	18.10
1985/06/24	23.00
1985/06/25	20.30
1985/06/26	21.20
1985/06/27	21.20
1985/06/28	20.70
1985/06/29	19.40
1985/06/30	18.10
1985/07/01	18.90
1985/07/02	20.30
1985/07/03	17.30
1985/07/04	24.30
1985/07/05	27.50
1985/07/06	22.60
1985/07/07	18.10
1985/07/08	15.30
1985/07/09	12.60
1985/07/10	11.50
1985/07/11	10.40
1985/07/12	11.50
1985/07/13	10.80
1985/07/14	13.00
1985/07/15	45.90
1985/07/16	81.40
1985/07/17	116.50
1985/07/18	137.20
1985/07/19	110.20
1985/07/20	102.20
1985/07/21	87.00
1985/07/22	74.20
1985/07/23	63.30
1985/07/24	61.20
1985/07/25	67.50
1985/07/26	51.80
1985/07/27	42.90
1985/07/28	43.40
1985/07/29	57.00
1985/07/30	52.40
1985/07/31	48.60
1985/08/01	51.10
1985/08/02	47.90
1985/08/03	43.40
1985/08/04	44.00
1985/08/05	61.20
1985/08/06	51.10
1985/08/07	44.60
1985/08/08	41.20
1985/08/09	38.50
1985/08/10	39.60
1985/08/11	41.80
1985/08/12	42.30
1985/08/13	46.60
1985/08/14	49.20
1985/08/15	59.10
1985/08/16	62.60
1985/08/17	61.20
1985/08/18	66.10
1985/08/19	83.80
1985/08/20	226.60
1985/08/21	201.30
1985/08/22	192.50
1985/08/23	239.80
1985/08/24	362.90
1985/08/25	308.00
1985/08/26	222.20
1985/08/27	185.00
1985/08/28	174.00
1985/08/29	156.10
1985/08/30	142.60
1985/08/31	125.50
1985/09/01	111.10
1985/09/02	101.40
1985/09/03	131.80
1985/09/04	366.80
1985/09/05	305.80
1985/09/06	212.30
1985/09/07	164.00
1985/09/08	131.80
1985/09/09	105.70
1985/09/10	91.80
1985/09/11	74.20
1985/09/12	86.20
1985/09/13	383.20
1985/09/14	725.00
1985/09/15	686.60
1985/09/16	523.00
1985/09/17	643.40
1985/09/18	581.50
1985/09/19	411.20
1985/09/20	318.80
1985/09/21	221.10
1985/09/22	159.00
1985/09/23	126.40
1985/09/24	113.80
1985/09/25	111.10
1985/09/26	142.60
1985/09/27	279.40
1985/09/28	247.50
1985/09/29	182.00
1985/09/30	143.50
1985/10/01	133.60
1985/10/02	132.70
1985/10/03	139.90
1985/10/04	148.00
1985/10/05	141.70
1985/10/06	130.90
1985/10/07	100.60
1985/10/08	83.00
1985/10/09	69.60
1985/10/10	61.20
1985/10/11	53.70
1985/10/12	48.60
1985/10/13	44.60
1985/10/14	42.90
1985/10/15	41.20
1985/10/16	51.10
1985/10/17	79.00
1985/10/18	212.30
1985/10/19	470.00
1985/10/20	450.40
1985/10/21	491.50
1985/10/22	597.00
1985/10/23	474.20
1985/10/24	359.00
1985/10/25	292.60
1985/10/26	210.10
1985/10/27	160.00
1985/10/28	132.70
1985/10/29	113.80
1985/10/30	99.00
1985/10/31	101.40
1985/11/01	99.00
1985/11/02	84.60
1985/11/03	75.80
1985/11/04	68.90
1985/11/05	64.00
1985/11/06	59.10
1985/11/07	55.10
1985/11/08	51.10
1985/11/09	50.50
1985/11/10	46.60
1985/11/11	44.00
1985/11/12	42.90
1985/11/13	44.60
1985/11/14	72.60
1985/11/15	164.00
1985/11/16	292.60
1985/11/17	271.70
1985/11/18	207.90
1985/11/19	187.00
1985/11/20	404.20
1985/11/21	456.00
1985/11/22	384.60
1985/11/23	322.60
1985/11/24	264.00
1985/11/25	202.40
1985/11/26	163.00
1985/11/27	139.00
1985/11/28	122.80
1985/11/29	108.40
1985/11/30	98.20
1985/12/01	91.00
1985/12/02	86.20
1985/12/03	165.00
1985/12/04	158.00
1985/12/05	153.40
1985/12/06	147.10
1985/12/07	143.50
1985/12/08	140.80
1985/12/09	136.30
1985/12/10	132.70
1985/12/11	130.00
1985/12/12	126.40
1985/12/13	121.90
1985/12/14	118.30
1985/12/15	114.70
1985/12/16	112.90
1985/12/17	108.40
1985/12/18	104.80
1985/12/19	103.00
1985/12/20	100.60
1985/12/21	95.00
1985/12/22	95.00
1985/12/23	94.20
1985/12/24	91.80
1985/12/25	91.00
1985/12/26	87.80
1985/12/27	22.10
1985/12/28	20.30
1985/12/29	17.30
1985/12/30	16.90
1985/12/31	16.50
#===========================================
# Number of observations = 365 / 365
# Average = 78.08