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	147.50
1980/04/02	100.65
1980/04/03	132.60
1980/04/04	126.60
1980/04/05	94.90
1980/04/06	124.20
1980/04/07	76.30
1980/04/08	130.20
1980/04/09	119.40
1980/04/10	109.85
1980/04/11	97.20
1980/04/12	51.03
1980/04/13	63.40
1980/04/14	82.60
1980/04/15	127.80
1980/04/16	114.60
1980/04/17	100.65
1980/04/18	94.90
1980/04/19	106.40
1980/04/20	73.60
1980/04/21	117.00
1980/04/22	98.35
1980/04/23	91.45
1980/04/24	113.40
1980/04/25	127.80
1980/04/26	121.80
1980/04/27	100.65
1980/04/28	115.80
1980/04/29	147.50
1980/04/30	111.00
1980/05/01	93.75
1980/05/02	117.00
1980/05/03	198.20
1980/05/04	77.20
1980/05/05	86.20
1980/05/06	185.65
1980/05/07	153.75
1980/05/08	177.55
1980/05/09	202.40
1980/05/10	131.40
1980/05/11	54.33
1980/05/12	119.40
1980/05/13	131.40
1980/05/14	254.90
1980/05/15	278.00
1980/05/16	161.35
1980/05/17	85.30
1980/05/18	26.50
1980/05/19	64.23
1980/05/20	70.00
1980/05/21	105.25
1980/05/22	82.60
1980/05/23	105.25
1980/05/24	70.90
1980/05/25	54.33
1980/05/26	112.20
1980/05/27	126.60
1980/05/28	89.15
1980/05/29	35.60
1980/05/30	91.45
1980/05/31	150.00
1980/06/01	21.00
1980/06/02	85.30
1980/06/03	135.00
1980/06/04	119.40
1980/06/05	131.40
1980/06/06	133.80
1980/06/07	165.40
1980/06/08	165.40
1980/06/09	192.60
1980/06/10	125.40
1980/06/11	72.70
1980/06/12	66.70
1980/06/13	145.00
1980/06/14	102.95
1980/06/15	49.38
1980/06/16	81.70
1980/06/17	101.80
1980/06/18	98.35
1980/06/19	64.23
1980/06/20	74.50
1980/06/21	39.48
1980/06/22	32.80
1980/06/23	69.17
1980/06/24	82.60
1980/06/25	86.20
1980/06/26	92.60
1980/06/27	85.30
1980/06/28	118.20
1980/06/29	44.43
1980/06/30	37.83
1980/07/01	44.43
1980/07/02	58.45
1980/07/03	65.05
1980/07/04	75.40
1980/07/05	42.77
1980/07/06	17.50
1980/07/07	63.40
1980/07/08	46.90
1980/07/09	115.80
1980/07/10	33.50
1980/07/11	100.65
1980/07/12	37.83
1980/07/13	23.70
1980/07/14	60.10
1980/07/15	77.20
1980/07/16	60.10
1980/07/17	114.60
1980/07/18	53.50
1980/07/19	41.13
1980/07/20	14.00
1980/07/21	47.73
1980/07/22	126.60
1980/07/23	140.00
1980/07/24	153.75
1980/07/25	182.95
1980/07/26	84.40
1980/07/27	41.13
1980/07/28	76.30
1980/07/29	173.50
1980/07/30	307.70
1980/07/31	174.85
1980/08/01	98.35
1980/08/02	94.90
1980/08/03	70.00
1980/08/04	99.50
1980/08/05	86.20
1980/08/06	93.75
1980/08/07	79.90
1980/08/08	48.55
1980/08/09	78.10
1980/08/10	32.80
1980/08/11	38.65
1980/08/12	12.60
1980/08/13	22.50
1980/08/14	57.62
1980/08/15	51.03
1980/08/16	51.85
1980/08/17	13.50
1980/08/18	50.20
1980/08/19	85.30
1980/08/20	83.50
1980/08/21	85.30
1980/08/22	97.20
1980/08/23	42.77
1980/08/24	74.50
1980/08/25	231.50
1980/08/26	114.60
1980/08/27	106.40
1980/08/28	78.10
1980/08/29	85.30
1980/08/30	165.40
1980/08/31	50.20
1980/09/01	121.80
1980/09/02	284.60
1980/09/03	274.70
1980/09/04	289.55
1980/09/05	292.85
1980/09/06	215.00
1980/09/07	994.00
1980/09/08	823.75
1980/09/09	434.00
1980/09/10	261.50
1980/09/11	271.40
1980/09/12	254.90
1980/09/13	195.40
1980/09/14	125.40
1980/09/15	178.90
1980/09/16	230.00
1980/09/17	408.00
1980/09/18	547.10
1980/09/19	392.00
1980/09/20	468.00
1980/09/21	307.70
1980/09/22	316.70
1980/09/23	228.50
1980/09/24	194.00
1980/09/25	198.20
1980/09/26	203.80
1980/09/27	173.50
1980/09/28	137.50
1980/09/29	184.30
1980/09/30	157.50
1980/10/01	158.75
1980/10/02	141.25
1980/10/03	191.20
1980/10/04	297.80
1980/10/05	160.00
1980/10/06	284.60
1980/10/07	189.80
1980/10/08	206.60
1980/10/09	176.20
1980/10/10	210.80
1980/10/11	184.30
1980/10/12	106.40
1980/10/13	166.75
1980/10/14	176.20
1980/10/15	301.10
1980/10/16	208.00
1980/10/17	209.40
1980/10/18	333.80
1980/10/19	170.80
1980/10/20	314.80
1980/10/21	284.60
1980/10/22	152.50
1980/10/23	73.60
1980/10/24	137.50
1980/10/25	99.50
1980/10/26	60.10
1980/10/27	187.00
1980/10/28	160.00
1980/10/29	106.40
1980/10/30	112.20
1980/10/31	129.00
1980/11/01	92.60
1980/11/02	50.20
1980/11/03	100.65
1980/11/04	98.35
1980/11/05	125.40
1980/11/06	113.40
1980/11/07	133.80
1980/11/08	172.15
1980/11/09	70.90
1980/11/10	100.65
1980/11/11	93.75
1980/11/12	100.65
1980/11/13	105.25
1980/11/14	91.45
1980/11/15	105.25
1980/11/16	47.73
1980/11/17	125.40
1980/11/18	194.00
1980/11/19	184.30
1980/11/20	227.00
1980/11/21	240.50
1980/11/22	127.80
1980/11/23	68.35
1980/11/24	195.40
1980/11/25	155.00
1980/11/26	126.60
1980/11/27	182.95
1980/11/28	153.75
1980/11/29	121.80
1980/11/30	46.90
1980/12/01	152.50
1980/12/02	177.55
1980/12/03	162.70
1980/12/04	148.75
1980/12/05	74.50
1980/12/06	178.90
1980/12/07	173.50
1980/12/08	282.95
1980/12/09	256.55
1980/12/10	77.20
1980/12/11	97.20
1980/12/12	132.60
1980/12/13	189.80
1980/12/14	66.70
1980/12/15	209.40
1980/12/16	279.65
1980/12/17	284.60
1980/12/18	162.70
1980/12/19	120.60
1980/12/20	93.75
1980/12/21	29.30
1980/12/22	34.20
1980/12/23	70.00
1980/12/24	69.17
1980/12/25	71.80
1980/12/26	70.90
1980/12/27	70.00
1980/12/28	70.00
1980/12/29	79.00
1980/12/30	77.20
1980/12/31	55.98
#===========================================
# Number of observations = 275 / 366
# Average = 135.98