1984/01/01	18.00
1984/01/02	18.50
1984/01/03	18.00
1984/01/04	17.50
1984/01/05	17.00
1984/01/06	16.50
1984/01/07	15.00
1984/01/08	14.20
1984/01/09	13.40
1984/01/10	13.00
1984/01/11	13.00
1984/01/12	12.60
1984/01/13	12.20
1984/01/14	12.20
1984/01/15	12.20
1984/01/16	12.20
1984/01/17	11.80
1984/01/18	11.40
1984/01/19	11.00
1984/01/20	10.60
1984/01/21	10.20
1984/01/22	9.40
1984/01/23	9.00
1984/01/24	9.00
1984/01/25	8.60
1984/01/26	8.60
1984/01/27	8.60
1984/01/28	8.60
1984/01/29	8.20
1984/01/30	7.80
1984/01/31	7.80
1984/02/01	7.80
1984/02/02	7.40
1984/02/03	7.00
1984/02/04	6.70
1984/02/05	6.70
1984/02/06	6.40
1984/02/07	6.70
1984/02/08	7.40
1984/02/09	7.40
1984/02/10	6.70
1984/02/11	6.70
1984/02/12	6.70
1984/02/13	6.40
1984/02/14	6.10
1984/02/15	6.10
1984/02/16	5.80
1984/02/17	5.80
1984/02/18	6.70
1984/02/19	6.70
1984/02/20	6.70
1984/02/21	6.70
1984/02/22	6.40
1984/02/23	6.40
1984/02/24	6.70
1984/02/25	6.70
1984/02/26	6.70
1984/02/27	6.40
1984/02/28	5.80
1984/02/29	5.50
1984/03/01	5.50
1984/03/02	5.80
1984/03/03	6.10
1984/03/04	6.10
1984/03/05	5.80
1984/03/06	4.90
1984/03/07	4.60
1984/03/08	4.00
1984/03/09	3.80
1984/03/10	3.60
1984/03/11	3.40
1984/03/12	3.00
1984/03/13	2.80
1984/03/14	2.60
1984/03/15	2.60
1984/03/16	2.40
1984/03/17	2.40
1984/03/18	2.20
1984/03/19	2.20
1984/03/20	2.00
1984/03/21	2.00
1984/03/22	2.00
1984/03/23	1.90
1984/03/24	1.80
1984/03/25	1.80
1984/03/26	1.70
1984/03/27	1.60
1984/03/28	1.60
1984/03/29	1.70
1984/03/30	2.20
1984/03/31	3.20
1984/04/01	3.00
1984/04/02	2.80
1984/04/03	2.20
1984/04/04	1.90
1984/04/05	1.80
1984/04/06	1.70
1984/04/07	1.60
1984/04/08	1.50
1984/04/09	1.30
1984/04/10	1.20
1984/04/11	1.10
1984/04/12	1.00
1984/04/13	1.10
1984/04/14	3.00
1984/04/15	5.80
1984/04/16	5.80
1984/04/17	9.10
1984/04/18	10.40
1984/04/19	7.60
1984/04/20	6.70
1984/04/21	6.10
1984/04/22	5.20
1984/04/23	4.00
1984/04/24	3.40
1984/04/25	3.00
1984/04/26	2.80
1984/04/27	2.60
1984/04/28	2.20
1984/04/29	7.60
1984/04/30	5.50
1984/05/01	8.20
1984/05/02	6.40
1984/05/03	5.20
1984/05/04	6.70
1984/05/05	6.70
1984/05/06	5.50
1984/05/07	9.70
1984/05/08	22.50
1984/05/09	24.50
1984/05/10	28.50
1984/05/11	19.00
1984/05/12	25.00
1984/05/13	20.00
1984/05/14	19.50
1984/05/15	22.50
1984/05/16	18.50
1984/05/17	17.20
1984/05/18	14.40
1984/05/19	37.90
1984/05/20	32.50
1984/05/21	23.50
1984/05/22	58.20
1984/05/23	101.30
1984/05/24	61.70
1984/05/25	44.20
1984/05/26	44.90
1984/05/27	32.00
1984/05/28	44.90
1984/05/29	33.70
1984/05/30	26.50
1984/05/31	25.00
1984/06/01	26.00
1984/06/02	20.50
1984/06/03	15.20
1984/06/04	16.40
1984/06/05	24.50
1984/06/06	27.50
1984/06/07	23.50
1984/06/08	55.40
1984/06/09	139.40
1984/06/10	91.40
1984/06/11	61.00
1984/06/12	109.40
1984/06/13	77.00
1984/06/14	97.70
1984/06/15	129.50
1984/06/16	86.00
1984/06/17	62.40
1984/06/18	49.10
1984/06/19	35.80
1984/06/20	31.00
1984/06/21	28.50
1984/06/22	26.50
1984/06/23	26.50
1984/06/24	26.50
1984/06/25	24.00
1984/06/26	21.00
1984/06/27	19.00
1984/06/28	17.60
1984/06/29	16.00
1984/06/30	14.80
1984/07/01	15.60
1984/07/02	14.00
1984/07/03	16.80
1984/07/04	25.00
1984/07/05	22.50
1984/07/06	25.00
1984/07/07	29.50
1984/07/08	61.70
1984/07/09	46.30
1984/07/10	34.40
1984/07/11	28.00
1984/07/12	28.00
1984/07/13	30.50
1984/07/14	32.00
1984/07/15	36.50
1984/07/16	60.30
1984/07/17	100.40
1984/07/18	155.90
1984/07/19	122.90
1984/07/20	85.10
1984/07/21	66.60
1984/07/22	68.90
1984/07/23	65.90
1984/07/24	47.00
1984/07/25	37.90
1984/07/26	32.00
1984/07/27	28.50
1984/07/28	26.50
1984/07/29	29.00
1984/07/30	60.30
1984/07/31	80.60
1984/08/01	63.80
1984/08/02	49.10
1984/08/03	42.10
1984/08/04	36.50
1984/08/05	32.50
1984/08/06	32.00
1984/08/07	30.00
1984/08/08	27.00
1984/08/09	24.50
1984/08/10	26.50
1984/08/11	27.50
1984/08/12	32.00
1984/08/13	43.50
1984/08/14	73.40
1984/08/15	63.10
1984/08/16	68.00
1984/08/17	61.00
1984/08/18	74.30
1984/08/19	136.10
1984/08/20	186.20
1984/08/21	225.20
1984/08/22	214.80
1984/08/23	181.00
1984/08/24	144.90
1984/08/25	104.90
1984/08/26	78.80
1984/08/27	68.90
1984/08/28	54.00
1984/08/29	54.00
1984/08/30	63.80
1984/08/31	57.50
1984/09/01	70.70
1984/09/02	90.50
1984/09/03	148.20
1984/09/04	325.80
1984/09/05	460.00
1984/09/06	535.40
1984/09/07	520.70
1984/09/08	420.30
1984/09/09	564.80
1984/09/10	963.20
1984/09/11	659.00
1984/09/12	490.00
1984/09/13	321.00
1984/09/14	236.90
1984/09/15	217.40
1984/09/16	203.10
1984/09/17	196.60
1984/09/18	155.90
1984/09/19	139.40
1984/09/20	126.20
1984/09/21	130.60
1984/09/22	177.10
1984/09/23	153.70
1984/09/24	124.00
1984/09/25	110.30
1984/09/26	104.90
1984/09/27	86.00
1984/09/28	68.90
1984/09/29	60.30
1984/09/30	76.10
1984/10/01	132.80
1984/10/02	240.80
1984/10/03	283.00
1984/10/04	243.40
1984/10/05	181.00
1984/10/06	147.10
1984/10/07	200.50
1984/10/08	175.80
1984/10/09	138.30
1984/10/10	132.80
1984/10/11	166.90
1984/10/12	163.60
1984/10/13	133.90
1984/10/14	139.40
1984/10/15	129.50
1984/10/16	149.30
1984/10/17	158.10
1984/10/18	171.90
1984/10/19	401.60
1984/10/20	617.60
1984/10/21	684.30
1984/10/22	374.60
1984/10/23	293.80
1984/10/24	275.50
1984/10/25	197.90
1984/10/26	157.00
1984/10/27	129.50
1984/10/28	110.30
1984/10/29	94.10
1984/10/30	82.40
1984/10/31	72.50
1984/11/01	65.20
1984/11/02	61.00
1984/11/03	57.50
1984/11/04	54.00
1984/11/05	51.90
1984/11/06	49.80
1984/11/07	47.00
1984/11/08	44.90
1984/11/09	44.20
1984/11/10	47.70
1984/11/11	45.60
1984/11/12	42.10
1984/11/13	40.00
1984/11/14	39.30
1984/11/15	40.00
1984/11/16	34.40
1984/11/17	31.50
1984/11/18	32.00
1984/11/19	33.70
1984/11/20	33.70
1984/11/21	31.00
1984/11/22	31.50
1984/11/23	32.50
1984/11/24	32.50
1984/11/25	32.00
1984/11/26	32.00
1984/11/27	31.00
1984/11/28	31.00
1984/11/29	30.50
1984/11/30	30.00
1984/12/01	29.50
1984/12/02	29.00
1984/12/03	28.00
1984/12/04	27.00
1984/12/05	26.50
1984/12/06	26.00
1984/12/07	24.50
1984/12/08	22.00
1984/12/09	21.50
1984/12/10	21.50
1984/12/11	19.50
1984/12/12	19.50
1984/12/13	20.50
1984/12/14	18.50
1984/12/15	18.00
1984/12/16	17.60
1984/12/17	16.00
1984/12/18	15.20
1984/12/19	14.80
1984/12/20	14.00
1984/12/21	13.20
1984/12/22	13.20
1984/12/23	12.80
1984/12/24	11.60
1984/12/25	11.60
1984/12/26	11.60
1984/12/27	10.80
1984/12/28	10.80
1984/12/29	10.40
1984/12/30	10.40
1984/12/31	9.70
#===========================================
# Number of observations = 366 / 366
# Average = 63.37