1985/01/01	18.30
1985/01/02	18.30
1985/01/03	17.60
1985/01/04	17.60
1985/01/05	17.60
1985/01/06	16.90
1985/01/07	16.90
1985/01/08	16.90
1985/01/09	16.90
1985/01/10	16.90
1985/01/11	16.90
1985/01/12	16.20
1985/01/13	16.20
1985/01/14	16.20
1985/01/15	16.20
1985/01/16	16.20
1985/01/17	15.50
1985/01/18	15.50
1985/01/19	15.50
1985/01/20	15.50
1985/01/21	15.50
1985/01/22	15.50
1985/01/23	14.80
1985/01/24	14.80
1985/01/25	14.80
1985/01/26	14.80
1985/01/27	14.80
1985/01/28	14.80
1985/01/29	14.80
1985/01/30	14.80
1985/01/31	14.10
1985/02/01	14.10
1985/02/02	14.10
1985/02/03	14.10
1985/02/04	14.10
1985/02/05	13.40
1985/02/06	13.40
1985/02/07	12.70
1985/02/08	12.70
1985/02/09	12.70
1985/02/10	12.00
1985/02/11	12.00
1985/02/12	12.00
1985/02/13	12.00
1985/02/14	12.00
1985/02/15	12.00
1985/02/16	12.00
1985/02/17	11.40
1985/02/18	10.80
1985/02/19	10.80
1985/02/20	10.80
1985/02/21	10.20
1985/02/22	9.60
1985/02/23	9.60
1985/02/24	9.00
1985/02/25	9.00
1985/02/26	9.00
1985/02/27	9.00
1985/02/28	9.00
1985/03/01	8.40
1985/03/02	8.40
1985/03/03	7.80
1985/03/04	7.80
1985/03/05	7.80
1985/03/06	8.40
1985/03/07	9.00
1985/03/08	10.80
1985/03/09	11.40
1985/03/10	9.60
1985/03/11	9.00
1985/03/12	8.40
1985/03/13	8.40
1985/03/14	8.40
1985/03/15	7.80
1985/03/16	7.80
1985/03/17	7.80
1985/03/18	7.80
1985/03/19	8.40
1985/03/20	7.80
1985/03/21	7.80
1985/03/22	7.80
1985/03/23	7.80
1985/03/24	7.80
1985/03/25	7.80
1985/03/26	7.80
1985/03/27	7.80
1985/03/28	7.80
1985/03/29	7.20
1985/03/30	6.60
1985/03/31	6.00
1985/04/01	8.50
1985/04/02	8.95
1985/04/03	9.40
1985/04/04	14.65
1985/04/05	12.10
1985/04/06	12.55
1985/04/07	9.85
1985/04/08	8.95
1985/04/09	8.50
1985/04/10	8.50
1985/04/11	8.50
1985/04/12	8.50
1985/04/13	8.50
1985/04/14	8.50
1985/04/15	8.50
1985/04/16	8.50
1985/04/17	16.30
1985/04/18	24.10
1985/04/19	14.65
1985/04/20	16.85
1985/04/21	11.65
1985/04/22	10.30
1985/04/23	9.85
1985/04/24	9.85
1985/04/25	15.75
1985/04/26	28.05
1985/04/27	19.90
1985/04/28	17.40
1985/04/29	17.40
1985/04/30	19.20
1985/05/01	16.85
1985/05/02	13.55
1985/05/03	11.65
1985/05/04	10.75
1985/05/05	9.85
1985/05/06	8.95
1985/05/07	8.50
1985/05/08	8.95
1985/05/09	10.75
1985/05/10	10.30
1985/05/11	10.30
1985/05/12	11.20
1985/05/13	10.30
1985/05/14	12.55
1985/05/15	10.75
1985/05/16	9.85
1985/05/17	13.00
1985/05/18	12.10
1985/05/19	10.75
1985/05/20	10.30
1985/05/21	10.75
1985/05/22	10.30
1985/05/23	9.85
1985/05/24	12.55
1985/05/25	12.55
1985/05/26	17.40
1985/05/27	21.30
1985/05/28	15.20
1985/05/29	14.10
1985/05/30	15.75
1985/05/31	25.50
1985/06/01	43.90
1985/06/02	26.35
1985/06/03	20.60
1985/06/04	16.30
1985/06/05	14.65
1985/06/06	12.55
1985/06/07	12.10
1985/06/08	11.20
1985/06/09	10.30
1985/06/10	9.85
1985/06/11	10.75
1985/06/12	12.55
1985/06/13	13.00
1985/06/14	13.55
1985/06/15	21.30
1985/06/16	20.60
1985/06/17	18.50
1985/06/18	53.90
1985/06/19	56.75
1985/06/20	107.50
1985/06/21	67.20
1985/06/22	76.70
1985/06/23	44.80
1985/06/24	33.15
1985/06/25	25.50
1985/06/26	22.00
1985/06/27	24.10
1985/06/28	25.50
1985/06/29	29.75
1985/06/30	137.85
1985/07/01	85.50
1985/07/02	54.85
1985/07/03	43.90
1985/07/04	39.40
1985/07/05	33.15
1985/07/06	30.60
1985/07/07	33.15
1985/07/08	64.35
1985/07/09	48.40
1985/07/10	45.70
1985/07/11	43.00
1985/07/12	40.30
1985/07/13	42.10
1985/07/14	55.80
1985/07/15	160.95
1985/07/16	124.50
1985/07/17	93.50
1985/07/18	70.05
1985/07/19	57.70
1985/07/20	51.10
1985/07/21	92.50
1985/07/22	107.50
1985/07/23	103.50
1985/07/24	100.50
1985/07/25	71.95
1985/07/26	61.50
1985/07/27	82.50
1985/07/28	136.80
1985/07/29	130.50
1985/07/30	124.50
1985/07/31	114.50
1985/08/01	101.50
1985/08/02	90.50
1985/08/03	87.50
1985/08/04	110.50
1985/08/05	116.50
1985/08/06	196.00
1985/08/07	154.65
1985/08/08	338.40
1985/08/09	174.10
1985/08/10	145.20
1985/08/11	122.50
1985/08/12	168.60
1985/08/13	147.30
1985/08/14	115.50
1985/08/15	564.22
1985/08/16	815.90
1985/08/17	473.20
1985/08/18	333.60
1985/08/19	314.40
1985/08/20	245.80
1985/08/21	245.80
1985/08/22	392.20
1985/08/23	349.00
1985/08/24	294.50
1985/08/25	338.40
1985/08/26	300.50
1985/08/27	243.00
1985/08/28	224.80
1985/08/29	245.80
1985/08/30	226.20
1985/08/31	287.00
1985/09/01	317.60
1985/09/02	243.00
1985/09/03	226.67
1985/09/04	182.80
1985/09/05	158.60
1985/09/06	139.90
1985/09/07	123.40
1985/09/08	111.30
1985/09/09	105.80
1985/09/10	109.10
1985/09/11	98.10
1985/09/12	99.20
1985/09/13	155.30
1985/09/14	125.60
1985/09/15	122.30
1985/09/16	134.40
1985/09/17	105.80
1985/09/18	94.80
1985/09/19	86.00
1985/09/20	79.70
1985/09/21	84.95
1985/09/22	82.85
1985/09/23	179.50
1985/09/24	128.90
1985/09/25	116.80
1985/09/26	93.70
1985/09/27	86.00
1985/09/28	80.75
1985/09/29	80.75
1985/09/30	81.80
1985/10/01	78.65
1985/10/02	69.20
1985/10/03	66.05
1985/10/04	62.00
1985/10/05	59.00
1985/10/06	55.00
1985/10/07	54.00
1985/10/08	52.00
1985/10/09	50.00
1985/10/10	49.00
1985/10/11	50.00
1985/10/12	49.00
1985/10/13	46.00
1985/10/14	46.00
1985/10/15	46.00
1985/10/16	43.00
1985/10/17	48.00
1985/10/18	84.95
1985/10/19	59.00
1985/10/20	84.95
1985/10/21	82.85
1985/10/22	68.15
1985/10/23	59.00
1985/10/24	54.00
1985/10/25	55.00
1985/10/26	53.00
1985/10/27	59.00
1985/10/28	54.00
1985/10/29	49.00
1985/10/30	50.00
1985/10/31	48.00
1985/11/01	54.00
1985/11/02	54.00
1985/11/03	53.00
1985/11/04	49.00
1985/11/05	48.00
1985/11/06	47.00
1985/11/07	45.00
1985/11/08	43.00
1985/11/09	42.00
1985/11/10	39.00
1985/11/11	38.00
1985/11/12	37.00
1985/11/13	36.00
1985/11/14	38.00
1985/11/15	39.00
1985/11/16	36.00
1985/11/17	47.00
1985/11/18	51.00
1985/11/19	44.00
1985/11/20	46.00
1985/11/21	70.25
1985/11/22	61.00
1985/11/23	51.00
1985/11/24	46.00
1985/11/25	43.00
1985/11/26	41.00
1985/11/27	39.00
1985/11/28	38.00
1985/11/29	42.00
1985/11/30	38.00
1985/12/01	37.00
1985/12/02	37.00
1985/12/03	34.00
1985/12/04	33.00
1985/12/05	32.00
1985/12/06	31.00
1985/12/07	31.00
1985/12/08	30.00
1985/12/09	29.00
1985/12/10	29.00
1985/12/11	28.00
1985/12/12	28.00
1985/12/13	27.00
1985/12/14	27.00
1985/12/15	26.00
1985/12/16	26.00
1985/12/17	25.00
1985/12/18	24.10
1985/12/19	24.10
1985/12/20	23.20
1985/12/21	23.20
1985/12/22	23.20
1985/12/23	23.20
1985/12/24	22.30
1985/12/25	21.40
1985/12/26	21.40
1985/12/27	21.40
1985/12/28	20.50
1985/12/29	20.50
1985/12/30	20.50
1985/12/31	20.50
#===========================================
# Number of observations = 365 / 365
# Average = 57.37