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	21.45
1980/04/02	20.30
1980/04/03	22.60
1980/04/04	21.45
1980/04/05	18.00
1980/04/06	19.15
1980/04/07	19.15
1980/04/08	20.30
1980/04/09	27.20
1980/04/10	29.50
1980/04/11	22.60
1980/04/12	20.30
1980/04/13	18.00
1980/04/14	17.10
1980/04/15	16.20
1980/04/16	15.30
1980/04/17	16.20
1980/04/18	28.35
1980/04/19	27.20
1980/04/20	24.90
1980/04/21	21.45
1980/04/22	18.00
1980/04/23	21.45
1980/04/24	26.05
1980/04/25	26.05
1980/04/26	24.90
1980/04/27	21.45
1980/04/28	18.00
1980/04/29	16.20
1980/04/30	15.30
1980/05/01	14.40
1980/05/02	15.30
1980/05/03	19.15
1980/05/04	29.50
1980/05/05	22.60
1980/05/06	20.30
1980/05/07	30.65
1980/05/08	22.60
1980/05/09	19.15
1980/05/10	24.90
1980/05/11	70.70
1980/05/12	49.10
1980/05/13	53.15
1980/05/14	47.75
1980/05/15	38.70
1980/05/16	38.70
1980/05/17	34.10
1980/05/18	31.80
1980/05/19	36.40
1980/05/20	34.10
1980/05/21	27.20
1980/05/22	32.95
1980/05/23	34.10
1980/05/24	39.85
1980/05/25	38.70
1980/05/26	38.70
1980/05/27	55.85
1980/05/28	89.60
1980/05/29	76.10
1980/05/30	63.95
1980/05/31	47.75
1980/06/01	38.70
1980/06/02	34.10
1980/06/03	63.95
1980/06/04	170.00
1980/06/05	187.60
1980/06/06	127.00
1980/06/07	99.35
1980/06/08	74.75
1980/06/09	58.55
1980/06/10	49.10
1980/06/11	51.80
1980/06/12	62.60
1980/06/13	65.30
1980/06/14	85.55
1980/06/15	106.60
1980/06/16	105.15
1980/06/17	134.50
1980/06/18	174.80
1980/06/19	154.00
1980/06/20	127.00
1980/06/21	124.00
1980/06/22	119.65
1980/06/23	116.75
1980/06/24	130.00
1980/06/25	127.00
1980/06/26	158.80
1980/06/27	399.95
1980/06/28	437.00
1980/06/29	288.80
1980/06/30	190.80
1980/07/01	154.00
1980/07/02	142.00
1980/07/03	122.55
1980/07/04	106.60
1980/07/05	93.65
1980/07/06	95.00
1980/07/07	92.30
1980/07/08	82.85
1980/07/09	77.45
1980/07/10	72.05
1980/07/11	66.65
1980/07/12	65.30
1980/07/13	62.60
1980/07/14	59.90
1980/07/15	61.25
1980/07/16	70.70
1980/07/17	84.20
1980/07/18	80.15
1980/07/19	110.95
1980/07/20	664.80
1980/07/21	870.10
1980/07/22	681.60
1980/07/23	579.50
1980/07/24	715.95
1980/07/25	1540.20
1980/07/26	967.55
1980/07/27	1072.00
1980/07/28	1783.70
1980/07/29	1512.00
1980/07/30	982.80
1980/07/31	708.00
1980/08/01	672.00
1980/08/02	584.10
1980/08/03	503.60
1980/08/04	444.80
1980/08/05	375.20
1980/08/06	323.00
1980/08/07	584.10
1980/08/08	480.60
1980/08/09	354.45
1980/08/10	326.70
1980/08/11	288.80
1980/08/12	260.75
1980/08/13	228.20
1980/08/14	208.40
1980/08/15	192.40
1980/08/16	186.00
1980/08/17	206.80
1980/08/18	194.00
1980/08/19	228.20
1980/08/20	371.40
1980/08/21	345.20
1980/08/22	350.75
1980/08/23	334.10
1980/08/24	600.20
1980/08/25	1183.75
1980/08/26	897.40
1980/08/27	634.70
1980/08/28	533.50
1980/08/29	429.20
1980/08/30	427.25
1980/08/31	549.60
1980/09/01	946.20
1980/09/02	1328.45
1980/09/03	1360.05
1980/09/04	2097.80
1980/09/05	2458.55
1980/09/06	2000.60
1980/09/07	1396.00
1980/09/08	1082.50
1980/09/09	903.50
1980/09/10	771.80
1980/09/11	774.50
1980/09/12	766.40
1980/09/13	710.65
1980/09/14	788.00
1980/09/15	906.55
1980/09/16	924.85
1980/09/17	906.55
1980/09/18	885.20
1980/09/19	664.80
1980/09/20	563.40
1980/09/21	528.90
1980/09/22	487.50
1980/09/23	444.80
1980/09/24	403.85
1980/09/25	399.95
1980/09/26	435.05
1980/09/27	375.20
1980/09/28	341.50
1980/09/29	341.50
1980/09/30	319.40
1980/10/01	294.20
1980/10/02	280.00
1980/10/03	255.50
1980/10/04	231.60
1980/10/05	218.00
1980/10/06	203.60
1980/10/07	197.20
1980/10/08	211.60
1980/10/09	226.50
1980/10/10	214.80
1980/10/11	206.80
1980/10/12	205.20
1980/10/13	195.60
1980/10/14	190.80
1980/10/15	173.20
1980/10/16	160.40
1980/10/17	158.80
1980/10/18	155.60
1980/10/19	160.40
1980/10/20	179.60
1980/10/21	166.80
1980/10/22	189.20
1980/10/23	174.80
1980/10/24	158.80
1980/10/25	142.00
1980/10/26	127.00
1980/10/27	121.10
1980/10/28	116.75
1980/10/29	115.30
1980/10/30	113.85
1980/10/31	113.85
1980/11/01	116.75
1980/11/02	113.85
1980/11/03	109.50
1980/11/04	105.15
1980/11/05	102.25
1980/11/06	99.35
1980/11/07	97.90
1980/11/08	97.90
1980/11/09	96.45
1980/11/10	108.05
1980/11/11	97.90
1980/11/12	93.65
1980/11/13	92.30
1980/11/14	90.95
1980/11/15	88.25
1980/11/16	86.90
1980/11/17	85.55
1980/11/18	84.20
1980/11/19	85.55
1980/11/20	85.55
1980/11/21	84.20
1980/11/22	81.50
1980/11/23	78.80
1980/11/24	77.45
1980/11/25	77.45
1980/11/26	77.45
1980/11/27	76.10
1980/11/28	76.10
1980/11/29	74.75
1980/11/30	72.05
1980/12/01	72.05
1980/12/02	69.35
1980/12/03	68.00
1980/12/04	66.65
1980/12/05	65.30
1980/12/06	63.95
1980/12/07	63.95
1980/12/08	62.60
1980/12/09	61.25
1980/12/10	61.25
1980/12/11	59.90
1980/12/12	58.55
1980/12/13	58.55
1980/12/14	65.30
1980/12/15	80.15
1980/12/16	66.65
1980/12/17	62.60
1980/12/18	59.90
1980/12/19	57.20
1980/12/20	55.85
1980/12/21	54.50
1980/12/22	53.15
1980/12/23	51.80
1980/12/24	50.45
1980/12/25	50.45
1980/12/26	49.10
1980/12/27	49.10
1980/12/28	47.75
1980/12/29	47.75
1980/12/30	46.40
1980/12/31	46.40
#===========================================
# Number of observations = 275 / 366
# Average = 252.67