1980/01/01	-9999
1980/01/02	-9999
1980/01/03	-9999
1980/01/04	-9999
1980/01/05	-9999
1980/01/06	-9999
1980/01/07	-9999
1980/01/08	-9999
1980/01/09	-9999
1980/01/10	-9999
1980/01/11	-9999
1980/01/12	-9999
1980/01/13	-9999
1980/01/14	-9999
1980/01/15	-9999
1980/01/16	-9999
1980/01/17	-9999
1980/01/18	-9999
1980/01/19	-9999
1980/01/20	-9999
1980/01/21	-9999
1980/01/22	-9999
1980/01/23	-9999
1980/01/24	-9999
1980/01/25	-9999
1980/01/26	-9999
1980/01/27	-9999
1980/01/28	-9999
1980/01/29	-9999
1980/01/30	-9999
1980/01/31	-9999
1980/02/01	-9999
1980/02/02	-9999
1980/02/03	-9999
1980/02/04	-9999
1980/02/05	-9999
1980/02/06	-9999
1980/02/07	-9999
1980/02/08	-9999
1980/02/09	-9999
1980/02/10	-9999
1980/02/11	-9999
1980/02/12	-9999
1980/02/13	-9999
1980/02/14	-9999
1980/02/15	-9999
1980/02/16	-9999
1980/02/17	-9999
1980/02/18	-9999
1980/02/19	-9999
1980/02/20	-9999
1980/02/21	-9999
1980/02/22	-9999
1980/02/23	-9999
1980/02/24	-9999
1980/02/25	-9999
1980/02/26	-9999
1980/02/27	-9999
1980/02/28	-9999
1980/02/29	-9999
1980/03/01	-9999
1980/03/02	-9999
1980/03/03	-9999
1980/03/04	-9999
1980/03/05	-9999
1980/03/06	-9999
1980/03/07	-9999
1980/03/08	-9999
1980/03/09	-9999
1980/03/10	-9999
1980/03/11	-9999
1980/03/12	-9999
1980/03/13	-9999
1980/03/14	-9999
1980/03/15	-9999
1980/03/16	-9999
1980/03/17	-9999
1980/03/18	-9999
1980/03/19	-9999
1980/03/20	-9999
1980/03/21	-9999
1980/03/22	-9999
1980/03/23	-9999
1980/03/24	-9999
1980/03/25	-9999
1980/03/26	-9999
1980/03/27	-9999
1980/03/28	-9999
1980/03/29	-9999
1980/03/30	-9999
1980/03/31	-9999
1980/04/01	89.50
1980/04/02	0
1980/04/03	99.70
1980/04/04	124.00
1980/04/05	69.60
1980/04/06	89.50
1980/04/07	115.90
1980/04/08	77.00
1980/04/09	82.00
1980/04/10	62.40
1980/04/11	105.10
1980/04/12	105.10
1980/04/13	82.00
1980/04/14	82.00
1980/04/15	32.00
1980/04/16	34.00
1980/04/17	62.40
1980/04/18	115.90
1980/04/19	121.30
1980/04/20	102.40
1980/04/21	87.00
1980/04/22	97.00
1980/04/23	74.50
1980/04/24	69.60
1980/04/25	74.50
1980/04/26	82.00
1980/04/27	72.00
1980/04/28	92.00
1980/04/29	89.50
1980/04/30	67.20
1980/05/01	77.00
1980/05/02	97.00
1980/05/03	97.00
1980/05/04	55.20
1980/05/05	62.40
1980/05/06	60.00
1980/05/07	60.00
1980/05/08	55.20
1980/05/09	107.80
1980/05/10	107.80
1980/05/11	127.00
1980/05/12	148.00
1980/05/13	89.50
1980/05/14	36.00
1980/05/15	32.00
1980/05/16	60.00
1980/05/17	170.00
1980/05/18	157.20
1980/05/19	89.50
1980/05/20	50.40
1980/05/21	64.80
1980/05/22	244.60
1980/05/23	1363.20
1980/05/24	1715.50
1980/05/25	995.40
1980/05/26	621.20
1980/05/27	472.60
1980/05/28	361.20
1980/05/29	279.40
1980/05/30	221.80
1980/05/31	237.00
1980/06/01	154.00
1980/06/02	173.20
1980/06/03	205.20
1980/06/04	124.00
1980/06/05	107.80
1980/06/06	139.00
1980/06/07	176.40
1980/06/08	186.00
1980/06/09	179.60
1980/06/10	211.60
1980/06/11	189.20
1980/06/12	244.60
1980/06/13	244.60
1980/06/14	307.30
1980/06/15	382.40
1980/06/16	472.60
1980/06/17	426.60
1980/06/18	319.60
1980/06/19	365.40
1980/06/20	344.40
1980/06/21	323.70
1980/06/22	458.80
1980/06/23	524.20
1980/06/24	491.00
1980/06/25	454.20
1980/06/26	440.40
1980/06/27	378.00
1980/06/28	295.00
1980/06/29	279.40
1980/06/30	211.60
1980/07/01	182.80
1980/07/02	133.00
1980/07/03	107.80
1980/07/04	94.50
1980/07/05	97.00
1980/07/06	102.40
1980/07/07	92.00
1980/07/08	64.80
1980/07/09	57.60
1980/07/10	48.00
1980/07/11	87.00
1980/07/12	82.00
1980/07/13	87.00
1980/07/14	69.60
1980/07/15	46.00
1980/07/16	52.80
1980/07/17	50.40
1980/07/18	64.80
1980/07/19	57.60
1980/07/20	67.20
1980/07/21	64.80
1980/07/22	69.60
1980/07/23	72.00
1980/07/24	124.00
1980/07/25	186.00
1980/07/26	229.40
1980/07/27	244.60
1980/07/28	386.80
1980/07/29	435.80
1980/07/30	373.80
1980/07/31	352.80
1980/08/01	449.60
1980/08/02	445.00
1980/08/03	426.60
1980/08/04	408.80
1980/08/05	365.40
1980/08/06	303.20
1980/08/07	240.80
1980/08/08	205.20
1980/08/09	160.40
1980/08/10	139.00
1980/08/11	102.40
1980/08/12	87.00
1980/08/13	89.50
1980/08/14	87.00
1980/08/15	67.20
1980/08/16	42.00
1980/08/17	87.00
1980/08/18	139.00
1980/08/19	121.30
1980/08/20	99.70
1980/08/21	136.00
1980/08/22	182.80
1980/08/23	170.00
1980/08/24	176.40
1980/08/25	182.80
1980/08/26	166.80
1980/08/27	148.00
1980/08/28	113.20
1980/08/29	94.50
1980/08/30	97.00
1980/08/31	110.50
1980/09/01	130.00
1980/09/02	189.20
1980/09/03	189.20
1980/09/04	179.60
1980/09/05	173.20
1980/09/06	192.40
1980/09/07	221.80
1980/09/08	299.10
1980/09/09	417.60
1980/09/10	559.90
1980/09/11	626.40
1980/09/12	554.80
1980/09/13	463.40
1980/09/14	422.00
1980/09/15	378.00
1980/09/16	315.50
1980/09/17	275.50
1980/09/18	259.90
1980/09/19	357.00
1980/09/20	500.20
1980/09/21	700.40
1980/09/22	995.40
1980/09/23	811.60
1980/09/24	727.60
1980/09/25	668.00
1980/09/26	616.00
1980/09/27	534.40
1980/09/28	472.60
1980/09/29	408.80
1980/09/30	422.00
1980/10/01	524.20
1980/10/02	647.20
1980/10/03	1053.60
1980/10/04	1522.90
1980/10/05	1428.00
1980/10/06	1277.00
1980/10/07	1020.60
1980/10/08	976.80
1980/10/09	1073.40
1980/10/10	898.90
1980/10/11	755.60
1980/10/12	621.20
1980/10/13	500.20
1980/10/14	435.80
1980/10/15	413.20
1980/10/16	344.40
1980/10/17	307.30
1980/10/18	315.50
1980/10/19	267.70
1980/10/20	237.00
1980/10/21	263.80
1980/10/22	244.60
1980/10/23	275.50
1980/10/24	205.20
1980/10/25	179.60
1980/10/26	160.40
1980/10/27	136.00
1980/10/28	130.00
1980/10/29	127.00
1980/10/30	115.90
1980/10/31	105.10
1980/11/01	92.00
1980/11/02	87.00
1980/11/03	87.00
1980/11/04	77.00
1980/11/05	67.20
1980/11/06	67.20
1980/11/07	52.80
1980/11/08	44.00
1980/11/09	52.80
1980/11/10	52.80
1980/11/11	60.00
1980/11/12	64.80
1980/11/13	64.80
1980/11/14	62.40
1980/11/15	74.50
1980/11/16	67.20
1980/11/17	64.80
1980/11/18	94.50
1980/11/19	52.80
1980/11/20	99.70
1980/11/21	124.00
1980/11/22	113.20
1980/11/23	113.20
1980/11/24	113.20
1980/11/25	57.60
1980/11/26	52.80
1980/11/27	32.00
1980/11/28	42.00
1980/11/29	57.60
1980/11/30	48.00
1980/12/01	16.00
1980/12/02	14.50
1980/12/03	12.00
1980/12/04	11.00
1980/12/05	26.50
1980/12/06	25.00
1980/12/07	26.50
1980/12/08	25.00
1980/12/09	74.50
1980/12/10	62.40
1980/12/11	136.00
1980/12/12	87.00
1980/12/13	34.00
1980/12/14	17.50
1980/12/15	13.00
1980/12/16	22.00
1980/12/17	26.50
1980/12/18	82.00
1980/12/19	170.00
1980/12/20	142.00
1980/12/21	60.00
1980/12/22	38.00
1980/12/23	22.00
1980/12/24	12.00
1980/12/25	11.00
1980/12/26	19.00
1980/12/27	12.00
1980/12/28	11.00
1980/12/29	3.00
1980/12/30	4.00
1980/12/31	9.00
#===========================================
# Number of observations = 275 / 366
# Average = 226.91