1979/01/01	21.00
1979/01/02	21.60
1979/01/03	22.80
1979/01/04	21.00
1979/01/05	21.00
1979/01/06	20.40
1979/01/07	20.40
1979/01/08	19.80
1979/01/09	19.20
1979/01/10	18.60
1979/01/11	18.60
1979/01/12	18.60
1979/01/13	18.60
1979/01/14	18.00
1979/01/15	17.40
1979/01/16	17.40
1979/01/17	16.80
1979/01/18	16.80
1979/01/19	16.80
1979/01/20	16.20
1979/01/21	16.20
1979/01/22	16.20
1979/01/23	15.60
1979/01/24	15.60
1979/01/25	15.60
1979/01/26	15.60
1979/01/27	15.00
1979/01/28	14.40
1979/01/29	14.40
1979/01/30	13.80
1979/01/31	13.80
1979/02/01	13.20
1979/02/02	13.20
1979/02/03	13.20
1979/02/04	12.60
1979/02/05	12.60
1979/02/06	12.60
1979/02/07	12.60
1979/02/08	12.60
1979/02/09	12.60
1979/02/10	13.20
1979/02/11	13.20
1979/02/12	12.60
1979/02/13	11.50
1979/02/14	11.00
1979/02/15	11.00
1979/02/16	11.00
1979/02/17	11.00
1979/02/18	10.50
1979/02/19	10.00
1979/02/20	10.00
1979/02/21	10.00
1979/02/22	9.50
1979/02/23	9.00
1979/02/24	9.00
1979/02/25	8.50
1979/02/26	8.50
1979/02/27	8.50
1979/02/28	8.50
1979/03/01	8.50
1979/03/02	8.50
1979/03/03	8.50
1979/03/04	8.50
1979/03/05	8.50
1979/03/06	8.00
1979/03/07	8.00
1979/03/08	7.50
1979/03/09	7.50
1979/03/10	7.50
1979/03/11	7.50
1979/03/12	7.50
1979/03/13	6.70
1979/03/14	6.40
1979/03/15	6.40
1979/03/16	6.40
1979/03/17	6.10
1979/03/18	5.80
1979/03/19	5.80
1979/03/20	5.80
1979/03/21	5.80
1979/03/22	5.80
1979/03/23	5.80
1979/03/24	5.80
1979/03/25	5.80
1979/03/26	5.80
1979/03/27	5.80
1979/03/28	5.80
1979/03/29	5.80
1979/03/30	5.80
1979/03/31	5.80
1979/04/01	5.50
1979/04/02	5.20
1979/04/03	5.20
1979/04/04	4.90
1979/04/05	4.90
1979/04/06	4.90
1979/04/07	4.90
1979/04/08	4.90
1979/04/09	4.90
1979/04/10	4.90
1979/04/11	4.90
1979/04/12	4.60
1979/04/13	4.60
1979/04/14	4.60
1979/04/15	4.60
1979/04/16	6.10
1979/04/17	6.70
1979/04/18	5.50
1979/04/19	5.20
1979/04/20	4.90
1979/04/21	4.90
1979/04/22	4.60
1979/04/23	4.60
1979/04/24	4.60
1979/04/25	4.90
1979/04/26	7.00
1979/04/27	8.50
1979/04/28	22.20
1979/04/29	21.00
1979/04/30	15.20
1979/05/01	9.10
1979/05/02	7.60
1979/05/03	7.00
1979/05/04	6.70
1979/05/05	6.70
1979/05/06	6.10
1979/05/07	6.10
1979/05/08	5.80
1979/05/09	11.20
1979/05/10	14.00
1979/05/11	23.40
1979/05/12	12.80
1979/05/13	9.40
1979/05/14	8.20
1979/05/15	6.70
1979/05/16	6.40
1979/05/17	9.70
1979/05/18	9.40
1979/05/19	12.40
1979/05/20	15.20
1979/05/21	43.20
1979/05/22	21.00
1979/05/23	24.00
1979/05/24	61.00
1979/05/25	50.40
1979/05/26	24.00
1979/05/27	14.80
1979/05/28	10.40
1979/05/29	8.80
1979/05/30	7.90
1979/05/31	7.90
1979/06/01	9.70
1979/06/02	7.60
1979/06/03	8.20
1979/06/04	13.60
1979/06/05	25.80
1979/06/06	18.60
1979/06/07	12.80
1979/06/08	9.10
1979/06/09	12.40
1979/06/10	11.20
1979/06/11	9.40
1979/06/12	7.90
1979/06/13	15.20
1979/06/14	58.00
1979/06/15	62.00
1979/06/16	40.00
1979/06/17	21.00
1979/06/18	21.60
1979/06/19	13.60
1979/06/20	12.40
1979/06/21	31.20
1979/06/22	32.40
1979/06/23	25.20
1979/06/24	18.60
1979/06/25	16.00
1979/06/26	14.40
1979/06/27	12.00
1979/06/28	12.00
1979/06/29	18.00
1979/06/30	20.40
1979/07/01	19.80
1979/07/02	16.80
1979/07/03	16.40
1979/07/04	16.00
1979/07/05	16.00
1979/07/06	15.60
1979/07/07	14.40
1979/07/08	16.00
1979/07/09	16.00
1979/07/10	18.60
1979/07/11	17.20
1979/07/12	30.00
1979/07/13	45.60
1979/07/14	34.20
1979/07/15	23.40
1979/07/16	16.80
1979/07/17	15.20
1979/07/18	15.60
1979/07/19	14.40
1979/07/20	15.20
1979/07/21	14.40
1979/07/22	16.80
1979/07/23	16.40
1979/07/24	20.40
1979/07/25	19.20
1979/07/26	15.20
1979/07/27	14.80
1979/07/28	16.00
1979/07/29	33.00
1979/07/30	36.80
1979/07/31	26.40
1979/08/01	24.00
1979/08/02	21.00
1979/08/03	19.20
1979/08/04	17.20
1979/08/05	22.80
1979/08/06	32.40
1979/08/07	31.80
1979/08/08	36.80
1979/08/09	32.40
1979/08/10	42.40
1979/08/11	40.80
1979/08/12	34.80
1979/08/13	28.80
1979/08/14	31.20
1979/08/15	44.80
1979/08/16	49.60
1979/08/17	45.60
1979/08/18	43.20
1979/08/19	44.00
1979/08/20	46.40
1979/08/21	52.00
1979/08/22	51.20
1979/08/23	56.00
1979/08/24	46.40
1979/08/25	44.00
1979/08/26	39.20
1979/08/27	43.20
1979/08/28	45.60
1979/08/29	44.80
1979/08/30	35.40
1979/08/31	40.80
1979/09/01	50.40
1979/09/02	40.00
1979/09/03	44.00
1979/09/04	38.40
1979/09/05	35.40
1979/09/06	37.60
1979/09/07	34.80
1979/09/08	34.80
1979/09/09	34.80
1979/09/10	31.20
1979/09/11	26.40
1979/09/12	23.40
1979/09/13	22.20
1979/09/14	25.20
1979/09/15	24.00
1979/09/16	22.80
1979/09/17	36.80
1979/09/18	36.80
1979/09/19	31.80
1979/09/20	30.60
1979/09/21	33.60
1979/09/22	36.80
1979/09/23	35.40
1979/09/24	33.60
1979/09/25	19.80
1979/09/26	30.60
1979/09/27	76.00
1979/09/28	70.00
1979/09/29	52.00
1979/09/30	53.00
1979/10/01	49.60
1979/10/02	43.20
1979/10/03	41.60
1979/10/04	45.60
1979/10/05	215.90
1979/10/06	94.00
1979/10/07	63.00
1979/10/08	44.00
1979/10/09	59.00
1979/10/10	226.40
1979/10/11	94.00
1979/10/12	57.00
1979/10/13	44.80
1979/10/14	36.80
1979/10/15	31.80
1979/10/16	29.40
1979/10/17	28.20
1979/10/18	26.40
1979/10/19	24.60
1979/10/20	24.00
1979/10/21	25.80
1979/10/22	28.80
1979/10/23	25.20
1979/10/24	24.00
1979/10/25	22.80
1979/10/26	21.60
1979/10/27	22.20
1979/10/28	22.20
1979/10/29	22.20
1979/10/30	22.20
1979/10/31	21.60
1979/11/01	21.60
1979/11/02	21.00
1979/11/03	20.40
1979/11/04	19.80
1979/11/05	19.80
1979/11/06	18.60
1979/11/07	18.00
1979/11/08	18.00
1979/11/09	18.60
1979/11/10	18.60
1979/11/11	18.60
1979/11/12	18.60
1979/11/13	18.00
1979/11/14	17.60
1979/11/15	17.60
1979/11/16	17.60
1979/11/17	17.20
1979/11/18	17.20
1979/11/19	17.20
1979/11/20	16.80
1979/11/21	16.40
1979/11/22	16.40
1979/11/23	16.40
1979/11/24	16.00
1979/11/25	16.00
1979/11/26	15.20
1979/11/27	15.20
1979/11/28	15.20
1979/11/29	15.20
1979/11/30	14.80
1979/12/01	14.40
1979/12/02	14.40
1979/12/03	14.40
1979/12/04	14.40
1979/12/05	13.60
1979/12/06	13.20
1979/12/07	12.80
1979/12/08	12.40
1979/12/09	12.40
1979/12/10	12.00
1979/12/11	11.60
1979/12/12	10.80
1979/12/13	10.80
1979/12/14	10.80
1979/12/15	10.80
1979/12/16	10.80
1979/12/17	10.80
1979/12/18	10.80
1979/12/19	10.80
1979/12/20	10.40
1979/12/21	10.80
1979/12/22	10.80
1979/12/23	10.40
1979/12/24	10.40
1979/12/25	9.40
1979/12/26	9.40
1979/12/27	9.40
1979/12/28	9.40
1979/12/29	9.40
1979/12/30	9.40
1979/12/31	9.10
#===========================================
# Number of observations = 365 / 365
# Total = 7653.5
# Average = 20.97