1984/01/01	11.20
1984/01/02	10.40
1984/01/03	9.60
1984/01/04	8.80
1984/01/05	8.00
1984/01/06	7.70
1984/01/07	7.40
1984/01/08	7.10
1984/01/09	7.10
1984/01/10	7.10
1984/01/11	7.10
1984/01/12	6.80
1984/01/13	6.80
1984/01/14	6.50
1984/01/15	6.50
1984/01/16	6.50
1984/01/17	6.50
1984/01/18	6.20
1984/01/19	5.90
1984/01/20	5.60
1984/01/21	5.30
1984/01/22	5.30
1984/01/23	5.00
1984/01/24	5.00
1984/01/25	5.00
1984/01/26	5.00
1984/01/27	5.00
1984/01/28	4.80
1984/01/29	4.80
1984/01/30	4.80
1984/01/31	4.80
1984/02/01	4.80
1984/02/02	4.80
1984/02/03	4.60
1984/02/04	4.60
1984/02/05	4.40
1984/02/06	4.40
1984/02/07	4.60
1984/02/08	4.40
1984/02/09	4.20
1984/02/10	4.20
1984/02/11	4.20
1984/02/12	4.40
1984/02/13	5.00
1984/02/14	5.60
1984/02/15	4.60
1984/02/16	5.30
1984/02/17	7.70
1984/02/18	7.70
1984/02/19	7.40
1984/02/20	6.20
1984/02/21	6.20
1984/02/22	5.60
1984/02/23	4.80
1984/02/24	4.60
1984/02/25	4.40
1984/02/26	4.00
1984/02/27	4.00
1984/02/28	4.00
1984/02/29	3.80
1984/03/01	3.60
1984/03/02	3.60
1984/03/03	3.40
1984/03/04	3.20
1984/03/05	3.00
1984/03/06	3.00
1984/03/07	2.80
1984/03/08	2.80
1984/03/09	2.80
1984/03/10	2.60
1984/03/11	2.40
1984/03/12	2.40
1984/03/13	2.20
1984/03/14	2.00
1984/03/15	2.00
1984/03/16	2.00
1984/03/17	2.00
1984/03/18	2.00
1984/03/19	2.00
1984/03/20	2.00
1984/03/21	2.00
1984/03/22	2.60
1984/03/23	7.40
1984/03/24	3.60
1984/03/25	2.60
1984/03/26	2.00
1984/03/27	1.60
1984/03/28	1.60
1984/03/29	1.60
1984/03/30	1.60
1984/03/31	1.40
1984/04/01	1.20
1984/04/02	1.20
1984/04/03	1.20
1984/04/04	1.20
1984/04/05	1.20
1984/04/06	1.20
1984/04/07	1.00
1984/04/08	1.20
1984/04/09	3.90
1984/04/10	2.00
1984/04/11	1.60
1984/04/12	2.80
1984/04/13	2.60
1984/04/14	11.50
1984/04/15	6.80
1984/04/16	3.30
1984/04/17	2.80
1984/04/18	2.60
1984/04/19	2.60
1984/04/20	2.40
1984/04/21	2.20
1984/04/22	1.80
1984/04/23	34.50
1984/04/24	34.00
1984/04/25	11.50
1984/04/26	8.00
1984/04/27	8.40
1984/04/28	7.60
1984/04/29	6.80
1984/04/30	4.50
1984/05/01	6.80
1984/05/02	8.80
1984/05/03	8.80
1984/05/04	8.00
1984/05/05	5.10
1984/05/06	4.80
1984/05/07	4.80
1984/05/08	9.60
1984/05/09	17.00
1984/05/10	22.50
1984/05/11	19.00
1984/05/12	19.00
1984/05/13	14.50
1984/05/14	10.50
1984/05/15	30.50
1984/05/16	34.00
1984/05/17	22.50
1984/05/18	24.00
1984/05/19	100.80
1984/05/20	121.80
1984/05/21	60.80
1984/05/22	47.00
1984/05/23	38.60
1984/05/24	31.00
1984/05/25	35.60
1984/05/26	22.00
1984/05/27	20.00
1984/05/28	25.00
1984/05/29	19.50
1984/05/30	15.00
1984/05/31	13.00
1984/06/01	11.50
1984/06/02	10.00
1984/06/03	10.00
1984/06/04	11.50
1984/06/05	48.20
1984/06/06	88.20
1984/06/07	45.20
1984/06/08	50.60
1984/06/09	47.00
1984/06/10	37.40
1984/06/11	49.40
1984/06/12	152.80
1984/06/13	75.80
1984/06/14	59.60
1984/06/15	49.40
1984/06/16	35.00
1984/06/17	26.50
1984/06/18	20.00
1984/06/19	16.00
1984/06/20	14.50
1984/06/21	14.00
1984/06/22	13.50
1984/06/23	12.00
1984/06/24	10.50
1984/06/25	11.50
1984/06/26	10.50
1984/06/27	12.00
1984/06/28	12.50
1984/06/29	11.50
1984/06/30	13.50
1984/07/01	12.50
1984/07/02	12.00
1984/07/03	11.50
1984/07/04	13.50
1984/07/05	11.50
1984/07/06	26.50
1984/07/07	22.50
1984/07/08	18.50
1984/07/09	29.00
1984/07/10	28.00
1984/07/11	36.20
1984/07/12	56.00
1984/07/13	52.40
1984/07/14	47.00
1984/07/15	58.40
1984/07/16	71.60
1984/07/17	60.80
1984/07/18	49.40
1984/07/19	40.40
1984/07/20	33.00
1984/07/21	28.50
1984/07/22	26.00
1984/07/23	27.50
1984/07/24	38.00
1984/07/25	30.00
1984/07/26	24.00
1984/07/27	20.00
1984/07/28	18.00
1984/07/29	33.00
1984/07/30	43.40
1984/07/31	35.00
1984/08/01	28.00
1984/08/02	26.00
1984/08/03	23.50
1984/08/04	21.50
1984/08/05	18.00
1984/08/06	18.00
1984/08/07	31.00
1984/08/08	30.00
1984/08/09	30.00
1984/08/10	100.10
1984/08/11	91.70
1984/08/12	71.00
1984/08/13	81.20
1984/08/14	66.20
1984/08/15	68.60
1984/08/16	125.30
1984/08/17	144.70
1984/08/18	190.00
1984/08/19	142.00
1984/08/20	151.90
1984/08/21	127.60
1984/08/22	95.20
1984/08/23	71.60
1984/08/24	54.80
1984/08/25	48.80
1984/08/26	43.40
1984/08/27	42.80
1984/08/28	41.60
1984/08/29	42.80
1984/08/30	71.60
1984/08/31	44.60
1984/09/01	153.70
1984/09/02	146.50
1984/09/03	223.00
1984/09/04	294.40
1984/09/05	329.40
1984/09/06	262.20
1984/09/07	284.60
1984/09/08	771.00
1984/09/09	376.80
1984/09/10	304.20
1984/09/11	208.70
1984/09/12	152.80
1984/09/13	126.00
1984/09/14	125.30
1984/09/15	106.40
1984/09/16	98.00
1984/09/17	80.50
1984/09/18	77.70
1984/09/19	112.70
1984/09/20	134.00
1984/09/21	100.80
1984/09/22	88.20
1984/09/23	91.00
1984/09/24	74.60
1984/09/25	59.00
1984/09/26	51.80
1984/09/27	46.40
1984/09/28	41.60
1984/09/29	41.60
1984/09/30	60.80
1984/10/01	116.20
1984/10/02	97.30
1984/10/03	75.80
1984/10/04	60.20
1984/10/05	54.80
1984/10/06	63.80
1984/10/07	67.40
1984/10/08	71.60
1984/10/09	102.20
1984/10/10	92.40
1984/10/11	75.20
1984/10/12	65.60
1984/10/13	86.10
1984/10/14	88.20
1984/10/15	66.20
1984/10/16	54.80
1984/10/17	59.00
1984/10/18	178.00
1984/10/19	482.00
1984/10/20	226.30
1984/10/21	162.00
1984/10/22	120.40
1984/10/23	97.30
1984/10/24	81.20
1984/10/25	71.00
1984/10/26	62.60
1984/10/27	55.40
1984/10/28	50.60
1984/10/29	44.60
1984/10/30	41.60
1984/10/31	39.80
1984/11/01	37.40
1984/11/02	35.00
1984/11/03	33.50
1984/11/04	32.50
1984/11/05	30.50
1984/11/06	30.00
1984/11/07	28.50
1984/11/08	27.50
1984/11/09	27.00
1984/11/10	26.50
1984/11/11	26.00
1984/11/12	25.50
1984/11/13	24.50
1984/11/14	24.00
1984/11/15	24.00
1984/11/16	23.00
1984/11/17	22.50
1984/11/18	21.00
1984/11/19	21.00
1984/11/20	21.00
1984/11/21	21.00
1984/11/22	20.00
1984/11/23	21.00
1984/11/24	21.00
1984/11/25	21.00
1984/11/26	20.00
1984/11/27	19.50
1984/11/28	19.00
1984/11/29	18.00
1984/11/30	18.00
1984/12/01	18.00
1984/12/02	17.00
1984/12/03	16.00
1984/12/04	16.00
1984/12/05	15.50
1984/12/06	15.00
1984/12/07	14.50
1984/12/08	13.50
1984/12/09	12.50
1984/12/10	12.50
1984/12/11	12.00
1984/12/12	11.50
1984/12/13	11.50
1984/12/14	11.50
1984/12/15	11.00
1984/12/16	10.50
1984/12/17	10.00
1984/12/18	9.60
1984/12/19	9.20
1984/12/20	9.20
1984/12/21	8.80
1984/12/22	8.80
1984/12/23	8.40
1984/12/24	8.40
1984/12/25	8.40
1984/12/26	8.00
1984/12/27	8.00
1984/12/28	7.60
1984/12/29	7.60
1984/12/30	7.60
1984/12/31	7.20
#===========================================
# Number of observations = 366 / 366
# Average = 40.10