1982/01/01	18.60
1982/01/02	18.60
1982/01/03	18.20
1982/01/04	17.80
1982/01/05	17.40
1982/01/06	17.40
1982/01/07	17.00
1982/01/08	16.20
1982/01/09	16.20
1982/01/10	15.80
1982/01/11	15.40
1982/01/12	15.40
1982/01/13	15.40
1982/01/14	15.00
1982/01/15	15.00
1982/01/16	14.60
1982/01/17	14.60
1982/01/18	14.20
1982/01/19	14.20
1982/01/20	13.80
1982/01/21	13.40
1982/01/22	13.00
1982/01/23	13.00
1982/01/24	12.60
1982/01/25	12.60
1982/01/26	12.20
1982/01/27	12.20
1982/01/28	11.80
1982/01/29	11.40
1982/01/30	11.00
1982/01/31	10.60
1982/02/01	10.30
1982/02/02	10.30
1982/02/03	10.00
1982/02/04	9.60
1982/02/05	9.20
1982/02/06	9.20
1982/02/07	9.20
1982/02/08	8.90
1982/02/09	8.90
1982/02/10	8.90
1982/02/11	8.90
1982/02/12	8.50
1982/02/13	8.50
1982/02/14	8.50
1982/02/15	9.20
1982/02/16	8.90
1982/02/17	8.20
1982/02/18	7.20
1982/02/19	7.00
1982/02/20	7.00
1982/02/21	6.70
1982/02/22	6.70
1982/02/23	6.70
1982/02/24	6.20
1982/02/25	6.20
1982/02/26	6.20
1982/02/27	6.20
1982/02/28	6.00
1982/03/01	6.00
1982/03/02	6.00
1982/03/03	5.80
1982/03/04	5.80
1982/03/05	5.80
1982/03/06	5.80
1982/03/07	5.50
1982/03/08	5.50
1982/03/09	5.20
1982/03/10	5.20
1982/03/11	5.20
1982/03/12	5.00
1982/03/13	4.80
1982/03/14	4.80
1982/03/15	4.50
1982/03/16	4.50
1982/03/17	4.50
1982/03/18	4.20
1982/03/19	4.20
1982/03/20	4.20
1982/03/21	4.00
1982/03/22	4.00
1982/03/23	4.00
1982/03/24	4.00
1982/03/25	4.00
1982/03/26	4.00
1982/03/27	4.00
1982/03/28	3.70
1982/03/29	3.70
1982/03/30	3.70
1982/03/31	3.70
1982/04/01	3.80
1982/04/02	4.10
1982/04/03	4.40
1982/04/04	3.80
1982/04/05	3.80
1982/04/06	4.40
1982/04/07	5.90
1982/04/08	5.90
1982/04/09	4.70
1982/04/10	4.40
1982/04/11	3.80
1982/04/12	3.80
1982/04/13	3.80
1982/04/14	5.00
1982/04/15	7.70
1982/04/16	8.00
1982/04/17	7.40
1982/04/18	51.00
1982/04/19	93.90
1982/04/20	105.60
1982/04/21	155.00
1982/04/22	91.20
1982/04/23	54.50
1982/04/24	46.10
1982/04/25	30.00
1982/04/26	23.00
1982/04/27	23.50
1982/04/28	23.50
1982/04/29	17.50
1982/04/30	14.40
1982/05/01	12.80
1982/05/02	12.00
1982/05/03	11.60
1982/05/04	10.80
1982/05/05	10.00
1982/05/06	12.00
1982/05/07	18.50
1982/05/08	19.00
1982/05/09	18.50
1982/05/10	15.20
1982/05/11	13.20
1982/05/12	11.60
1982/05/13	10.80
1982/05/14	10.40
1982/05/15	11.60
1982/05/16	13.60
1982/05/17	21.00
1982/05/18	20.50
1982/05/19	15.60
1982/05/20	13.60
1982/05/21	11.60
1982/05/22	11.20
1982/05/23	12.00
1982/05/24	11.60
1982/05/25	11.20
1982/05/26	11.20
1982/05/27	13.60
1982/05/28	14.80
1982/05/29	13.60
1982/05/30	15.20
1982/05/31	14.80
1982/06/01	12.40
1982/06/02	11.20
1982/06/03	10.40
1982/06/04	10.00
1982/06/05	10.00
1982/06/06	11.60
1982/06/07	17.50
1982/06/08	24.00
1982/06/09	25.00
1982/06/10	22.50
1982/06/11	20.50
1982/06/12	28.00
1982/06/13	40.50
1982/06/14	41.20
1982/06/15	35.20
1982/06/16	28.00
1982/06/17	22.00
1982/06/18	19.00
1982/06/19	16.00
1982/06/20	14.80
1982/06/21	14.00
1982/06/22	13.20
1982/06/23	12.00
1982/06/24	11.20
1982/06/25	10.00
1982/06/26	9.60
1982/06/27	9.60
1982/06/28	8.80
1982/06/29	8.40
1982/06/30	8.00
1982/07/01	8.00
1982/07/02	7.70
1982/07/03	7.70
1982/07/04	7.70
1982/07/05	7.70
1982/07/06	7.70
1982/07/07	7.40
1982/07/08	8.00
1982/07/09	9.60
1982/07/10	9.60
1982/07/11	10.00
1982/07/12	34.00
1982/07/13	39.10
1982/07/14	29.00
1982/07/15	24.00
1982/07/16	20.00
1982/07/17	17.50
1982/07/18	15.60
1982/07/19	14.40
1982/07/20	13.60
1982/07/21	12.80
1982/07/22	22.00
1982/07/23	53.80
1982/07/24	38.40
1982/07/25	24.00
1982/07/26	28.50
1982/07/27	35.80
1982/07/28	28.00
1982/07/29	24.50
1982/07/30	22.50
1982/07/31	20.50
1982/08/01	19.50
1982/08/02	18.50
1982/08/03	17.00
1982/08/04	15.60
1982/08/05	16.00
1982/08/06	17.00
1982/08/07	15.60
1982/08/08	13.60
1982/08/09	14.80
1982/08/10	16.00
1982/08/11	15.60
1982/08/12	14.80
1982/08/13	15.20
1982/08/14	14.80
1982/08/15	13.60
1982/08/16	13.20
1982/08/17	16.00
1982/08/18	30.50
1982/08/19	28.50
1982/08/20	38.40
1982/08/21	55.20
1982/08/22	59.60
1982/08/23	65.20
1982/08/24	61.20
1982/08/25	60.40
1982/08/26	116.00
1982/08/27	129.80
1982/08/28	89.40
1982/08/29	81.30
1982/08/30	74.10
1982/08/31	62.00
1982/09/01	50.30
1982/09/02	43.30
1982/09/03	39.80
1982/09/04	47.50
1982/09/05	44.00
1982/09/06	44.00
1982/09/07	51.00
1982/09/08	92.10
1982/09/09	284.00
1982/09/10	833.40
1982/09/11	567.70
1982/09/12	356.60
1982/09/13	294.60
1982/09/14	203.40
1982/09/15	140.80
1982/09/16	108.30
1982/09/17	97.50
1982/09/18	91.20
1982/09/19	86.70
1982/09/20	97.50
1982/09/21	110.10
1982/09/22	108.30
1982/09/23	90.30
1982/09/24	90.30
1982/09/25	133.10
1982/09/26	220.00
1982/09/27	356.60
1982/09/28	324.30
1982/09/29	284.00
1982/09/30	320.90
1982/10/01	434.00
1982/10/02	349.40
1982/10/03	282.50
1982/10/04	310.70
1982/10/05	322.60
1982/10/06	211.60
1982/10/07	159.80
1982/10/08	130.90
1982/10/09	116.00
1982/10/10	106.50
1982/10/11	112.00
1982/10/12	200.80
1982/10/13	202.10
1982/10/14	149.00
1982/10/15	128.70
1982/10/16	106.50
1982/10/17	98.40
1982/10/18	87.60
1982/10/19	77.70
1982/10/20	66.00
1982/10/21	58.00
1982/10/22	52.40
1982/10/23	48.20
1982/10/24	46.80
1982/10/25	44.70
1982/10/26	51.70
1982/10/27	61.20
1982/10/28	55.20
1982/10/29	62.00
1982/10/30	58.80
1982/10/31	50.30
1982/11/01	45.40
1982/11/02	41.90
1982/11/03	39.10
1982/11/04	35.80
1982/11/05	34.60
1982/11/06	32.80
1982/11/07	31.00
1982/11/08	30.50
1982/11/09	30.00
1982/11/10	29.50
1982/11/11	29.00
1982/11/12	29.00
1982/11/13	28.50
1982/11/14	29.00
1982/11/15	28.00
1982/11/16	30.50
1982/11/17	28.50
1982/11/18	27.50
1982/11/19	27.50
1982/11/20	27.50
1982/11/21	26.50
1982/11/22	26.00
1982/11/23	26.50
1982/11/24	26.50
1982/11/25	25.00
1982/11/26	23.50
1982/11/27	23.50
1982/11/28	22.50
1982/11/29	22.50
1982/11/30	24.00
1982/12/01	22.50
1982/12/02	22.00
1982/12/03	20.50
1982/12/04	19.50
1982/12/05	19.00
1982/12/06	18.50
1982/12/07	17.50
1982/12/08	16.50
1982/12/09	15.60
1982/12/10	14.80
1982/12/11	14.00
1982/12/12	14.00
1982/12/13	13.20
1982/12/14	12.80
1982/12/15	12.40
1982/12/16	12.00
1982/12/17	12.00
1982/12/18	11.60
1982/12/19	11.60
1982/12/20	11.20
1982/12/21	11.20
1982/12/22	10.40
1982/12/23	10.00
1982/12/24	10.00
1982/12/25	9.60
1982/12/26	9.60
1982/12/27	9.60
1982/12/28	9.20
1982/12/29	9.20
1982/12/30	8.80
1982/12/31	8.80
#===========================================
# Number of observations = 365 / 365
# Average = 42.66