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	5.10
1980/04/02	5.30
1980/04/03	7.50
1980/04/04	5.70
1980/04/05	6.90
1980/04/06	8.00
1980/04/07	6.50
1980/04/08	7.10
1980/04/09	12.80
1980/04/10	19.35
1980/04/11	14.60
1980/04/12	11.25
1980/04/13	8.25
1980/04/14	7.50
1980/04/15	6.30
1980/04/16	8.00
1980/04/17	16.90
1980/04/18	12.25
1980/04/19	8.00
1980/04/20	7.30
1980/04/21	5.90
1980/04/22	5.50
1980/04/23	4.90
1980/04/24	4.10
1980/04/25	3.90
1980/04/26	3.70
1980/04/27	3.70
1980/04/28	4.50
1980/04/29	4.30
1980/04/30	4.30
1980/05/01	6.30
1980/05/02	6.30
1980/05/03	5.30
1980/05/04	5.50
1980/05/05	14.30
1980/05/06	31.60
1980/05/07	31.60
1980/05/08	21.80
1980/05/09	14.30
1980/05/10	14.60
1980/05/11	21.10
1980/05/12	20.75
1980/05/13	19.70
1980/05/14	18.65
1980/05/15	25.30
1980/05/16	22.85
1980/05/17	14.00
1980/05/18	10.25
1980/05/19	10.25
1980/05/20	10.25
1980/05/21	14.30
1980/05/22	17.95
1980/05/23	27.20
1980/05/24	31.60
1980/05/25	31.20
1980/05/26	28.00
1980/05/27	42.00
1980/05/28	101.00
1980/05/29	92.60
1980/05/30	92.60
1980/05/31	61.00
1980/06/01	34.00
1980/06/02	23.20
1980/06/03	17.60
1980/06/04	14.00
1980/06/05	12.25
1980/06/06	16.20
1980/06/07	15.50
1980/06/08	13.10
1980/06/09	11.50
1980/06/10	11.75
1980/06/11	14.60
1980/06/12	16.20
1980/06/13	29.60
1980/06/14	34.00
1980/06/15	36.40
1980/06/16	54.50
1980/06/17	70.50
1980/06/18	105.20
1980/06/19	113.60
1980/06/20	119.60
1980/06/21	180.30
1980/06/22	175.40
1980/06/23	151.55
1980/06/24	131.60
1980/06/25	111.20
1980/06/26	83.25
1980/06/27	74.00
1980/06/28	78.85
1980/06/29	103.40
1980/06/30	117.80
1980/07/01	141.15
1980/07/02	153.50
1980/07/03	124.40
1980/07/04	92.60
1980/07/05	66.00
1980/07/06	57.50
1980/07/07	50.00
1980/07/08	42.00
1980/07/09	40.00
1980/07/10	38.40
1980/07/11	36.40
1980/07/12	32.40
1980/07/13	30.00
1980/07/14	30.80
1980/07/15	28.40
1980/07/16	28.00
1980/07/17	26.40
1980/07/18	24.60
1980/07/19	26.00
1980/07/20	28.40
1980/07/21	42.40
1980/07/22	82.70
1980/07/23	79.95
1980/07/24	69.50
1980/07/25	116.00
1980/07/26	172.60
1980/07/27	181.80
1980/07/28	341.70
1980/07/29	586.00
1980/07/30	674.00
1980/07/31	700.50
1980/08/01	639.50
1980/08/02	521.44
1980/08/03	476.00
1980/08/04	435.50
1980/08/05	319.70
1980/08/06	252.40
1980/08/07	204.20
1980/08/08	162.80
1980/08/09	135.30
1980/08/10	119.60
1980/08/11	110.60
1980/08/12	101.60
1980/08/13	94.40
1980/08/14	89.00
1980/08/15	84.35
1980/08/16	80.50
1980/08/17	81.05
1980/08/18	86.00
1980/08/19	84.90
1980/08/20	77.75
1980/08/21	91.40
1980/08/22	117.20
1980/08/23	127.40
1980/08/24	232.60
1980/08/25	380.20
1980/08/26	404.30
1980/08/27	421.20
1980/08/28	421.20
1980/08/29	385.00
1980/08/30	327.40
1980/08/31	278.50
1980/09/01	253.30
1980/09/02	238.00
1980/09/03	274.00
1980/09/04	287.50
1980/09/05	289.30
1980/09/06	274.90
1980/09/07	495.50
1980/09/08	730.50
1980/09/09	788.50
1980/09/10	814.60
1980/09/11	858.10
1980/09/12	863.90
1980/09/13	797.20
1980/09/14	669.40
1980/09/15	501.50
1980/09/16	380.20
1980/09/17	321.90
1980/09/18	330.70
1980/09/19	400.60
1980/09/20	449.00
1980/09/21	467.20
1980/09/22	453.20
1980/09/23	409.50
1980/09/24	365.90
1980/09/25	321.90
1980/09/26	293.00
1980/09/27	273.10
1980/09/28	247.90
1980/09/29	229.90
1980/09/30	212.20
1980/10/01	190.60
1980/10/02	169.10
1980/10/03	156.10
1980/10/04	145.70
1980/10/05	137.25
1980/10/06	129.80
1980/10/07	123.80
1980/10/08	120.20
1980/10/09	119.60
1980/10/10	117.80
1980/10/11	117.80
1980/10/12	116.60
1980/10/13	110.60
1980/10/14	106.40
1980/10/15	101.00
1980/10/16	96.80
1980/10/17	95.00
1980/10/18	95.60
1980/10/19	105.20
1980/10/20	110.60
1980/10/21	105.80
1980/10/22	102.80
1980/10/23	95.00
1980/10/24	89.00
1980/10/25	93.20
1980/10/26	93.20
1980/10/27	95.60
1980/10/28	82.70
1980/10/29	77.20
1980/10/30	74.00
1980/10/31	72.00
1980/11/01	72.00
1980/11/02	71.00
1980/11/03	68.50
1980/11/04	63.00
1980/11/05	63.50
1980/11/06	62.00
1980/11/07	62.00
1980/11/08	61.50
1980/11/09	60.00
1980/11/10	60.50
1980/11/11	61.50
1980/11/12	58.00
1980/11/13	55.00
1980/11/14	53.50
1980/11/15	52.50
1980/11/16	51.50
1980/11/17	50.50
1980/11/18	49.60
1980/11/19	48.80
1980/11/20	45.60
1980/11/21	42.80
1980/11/22	41.60
1980/11/23	41.20
1980/11/24	40.40
1980/11/25	40.40
1980/11/26	40.40
1980/11/27	40.00
1980/11/28	39.20
1980/11/29	38.80
1980/11/30	38.40
1980/12/01	37.60
1980/12/02	37.20
1980/12/03	36.40
1980/12/04	36.40
1980/12/05	36.40
1980/12/06	35.60
1980/12/07	35.20
1980/12/08	34.80
1980/12/09	33.60
1980/12/10	32.00
1980/12/11	32.00
1980/12/12	31.60
1980/12/13	30.80
1980/12/14	30.40
1980/12/15	30.40
1980/12/16	30.00
1980/12/17	30.00
1980/12/18	29.60
1980/12/19	29.20
1980/12/20	28.80
1980/12/21	28.40
1980/12/22	28.00
1980/12/23	27.60
1980/12/24	27.20
1980/12/25	27.20
1980/12/26	27.20
1980/12/27	26.40
1980/12/28	26.00
1980/12/29	26.00
1980/12/30	25.65
1980/12/31	24.95
#===========================================
# Number of observations = 275 / 366
# Average = 122.97