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	3.87
1980/04/02	6.60
1980/04/03	4.20
1980/04/04	6.20
1980/04/05	7.40
1980/04/06	5.40
1980/04/07	5.40
1980/04/08	5.80
1980/04/09	14.75
1980/04/10	13.25
1980/04/11	7.80
1980/04/12	5.80
1980/04/13	4.80
1980/04/14	4.00
1980/04/15	3.73
1980/04/16	12.00
1980/04/17	10.75
1980/04/18	4.40
1980/04/19	5.60
1980/04/20	4.40
1980/04/21	3.73
1980/04/22	3.60
1980/04/23	3.20
1980/04/24	2.93
1980/04/25	2.93
1980/04/26	2.80
1980/04/27	2.80
1980/04/28	2.53
1980/04/29	3.60
1980/04/30	6.80
1980/05/01	5.00
1980/05/02	3.87
1980/05/03	3.60
1980/05/04	7.00
1980/05/05	18.75
1980/05/06	30.10
1980/05/07	17.50
1980/05/08	10.75
1980/05/09	7.20
1980/05/10	14.50
1980/05/11	15.50
1980/05/12	16.75
1980/05/13	12.75
1980/05/14	10.00
1980/05/15	20.25
1980/05/16	11.50
1980/05/17	6.80
1980/05/18	5.40
1980/05/19	5.80
1980/05/20	9.25
1980/05/21	9.75
1980/05/22	14.25
1980/05/23	23.25
1980/05/24	24.25
1980/05/25	22.50
1980/05/26	16.75
1980/05/27	73.00
1980/05/28	75.00
1980/05/29	89.60
1980/05/30	64.60
1980/05/31	32.20
1980/06/01	18.75
1980/06/02	13.75
1980/06/03	11.25
1980/06/04	9.50
1980/06/05	12.50
1980/06/06	12.50
1980/06/07	10.75
1980/06/08	9.50
1980/06/09	9.50
1980/06/10	10.00
1980/06/11	14.00
1980/06/12	18.75
1980/06/13	30.70
1980/06/14	24.75
1980/06/15	40.00
1980/06/16	51.60
1980/06/17	65.80
1980/06/18	108.50
1980/06/19	95.90
1980/06/20	133.25
1980/06/21	184.00
1980/06/22	153.05
1980/06/23	132.70
1980/06/24	114.55
1980/06/25	86.90
1980/06/26	66.60
1980/06/27	65.80
1980/06/28	78.35
1980/06/29	102.65
1980/06/30	112.50
1980/07/01	134.35
1980/07/02	133.80
1980/07/03	99.95
1980/07/04	69.80
1980/07/05	47.05
1980/07/06	40.90
1980/07/07	31.30
1980/07/08	28.30
1980/07/09	27.75
1980/07/10	27.50
1980/07/11	25.00
1980/07/12	21.00
1980/07/13	20.50
1980/07/14	20.00
1980/07/15	19.50
1980/07/16	18.75
1980/07/17	18.00
1980/07/18	17.00
1980/07/19	19.75
1980/07/20	21.50
1980/07/21	40.30
1980/07/22	74.20
1980/07/23	62.60
1980/07/24	61.40
1980/07/25	133.25
1980/07/26	163.85
1980/07/27	165.80
1980/07/28	411.00
1980/07/29	651.75
1980/07/30	651.75
1980/07/31	452.50
1980/08/01	433.30
1980/08/02	378.60
1980/08/03	358.40
1980/08/04	336.80
1980/08/05	259.00
1980/08/06	204.00
1980/08/07	158.00
1980/08/08	115.65
1980/08/09	86.00
1980/08/10	70.60
1980/08/11	62.60
1980/08/12	54.60
1980/08/13	49.85
1980/08/14	44.50
1980/08/15	42.40
1980/08/16	40.30
1980/08/17	45.40
1980/08/18	47.75
1980/08/19	45.40
1980/08/20	39.10
1980/08/21	63.00
1980/08/22	87.35
1980/08/23	89.60
1980/08/24	270.20
1980/08/25	388.10
1980/08/26	400.45
1980/08/27	417.00
1980/08/28	407.10
1980/08/29	353.90
1980/08/30	301.40
1980/08/31	263.00
1980/09/01	228.75
1980/09/02	227.25
1980/09/03	275.00
1980/09/04	278.20
1980/09/05	271.80
1980/09/06	277.40
1980/09/07	645.50
1980/09/08	721.75
1980/09/09	738.00
1980/09/10	800.50
1980/09/11	716.67
1980/09/12	586.40
1980/09/13	465.00
1980/09/14	433.10
1980/09/15	357.50
1980/09/16	306.20
1980/09/17	281.40
1980/09/18	319.00
1980/09/19	384.30
1980/09/20	431.10
1980/09/21	421.00
1980/09/22	396.65
1980/09/23	348.50
1980/09/24	319.80
1980/09/25	279.80
1980/09/26	255.00
1980/09/27	234.00
1980/09/28	206.10
1980/09/29	189.20
1980/09/30	169.05
1980/10/01	145.90
1980/10/02	127.75
1980/10/03	117.30
1980/10/04	108.50
1980/10/05	101.75
1980/10/06	94.55
1980/10/07	89.15
1980/10/08	86.90
1980/10/09	88.70
1980/10/10	88.25
1980/10/11	89.60
1980/10/12	83.75
1980/10/13	79.25
1980/10/14	75.40
1980/10/15	69.80
1980/10/16	67.00
1980/10/17	66.60
1980/10/18	69.80
1980/10/19	78.35
1980/10/20	75.40
1980/10/21	77.90
1980/10/22	73.80
1980/10/23	64.20
1980/10/24	65.40
1980/10/25	67.40
1980/10/26	66.60
1980/10/27	60.20
1980/10/28	55.40
1980/10/29	50.20
1980/10/30	47.40
1980/10/31	46.00
1980/11/01	45.40
1980/11/02	44.20
1980/11/03	42.40
1980/11/04	39.40
1980/11/05	37.90
1980/11/06	37.60
1980/11/07	37.00
1980/11/08	36.40
1980/11/09	36.70
1980/11/10	39.70
1980/11/11	37.30
1980/11/12	33.40
1980/11/13	31.90
1980/11/14	30.40
1980/11/15	29.80
1980/11/16	28.90
1980/11/17	27.75
1980/11/18	27.00
1980/11/19	26.50
1980/11/20	25.75
1980/11/21	25.25
1980/11/22	24.25
1980/11/23	24.00
1980/11/24	23.75
1980/11/25	23.25
1980/11/26	22.75
1980/11/27	22.00
1980/11/28	21.50
1980/11/29	21.00
1980/11/30	20.75
1980/12/01	20.25
1980/12/02	19.75
1980/12/03	19.50
1980/12/04	19.25
1980/12/05	18.75
1980/12/06	18.50
1980/12/07	18.25
1980/12/08	18.00
1980/12/09	17.50
1980/12/10	16.75
1980/12/11	16.50
1980/12/12	16.00
1980/12/13	15.75
1980/12/14	15.50
1980/12/15	15.25
1980/12/16	15.00
1980/12/17	14.75
1980/12/18	14.50
1980/12/19	14.25
1980/12/20	13.75
1980/12/21	13.75
1980/12/22	13.25
1980/12/23	13.00
1980/12/24	13.00
1980/12/25	12.75
1980/12/26	12.50
1980/12/27	12.50
1980/12/28	12.25
1980/12/29	12.00
1980/12/30	11.75
1980/12/31	11.50
#===========================================
# Number of observations = 275 / 366
# Average = 100.77