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	18.25
1980/04/02	18.25
1980/04/03	18.25
1980/04/04	18.25
1980/04/05	18.25
1980/04/06	18.25
1980/04/07	18.25
1980/04/08	18.25
1980/04/09	21.25
1980/04/10	20.50
1980/04/11	19.75
1980/04/12	19.00
1980/04/13	18.25
1980/04/14	17.50
1980/04/15	17.50
1980/04/16	16.75
1980/04/17	19.15
1980/04/18	25.75
1980/04/19	27.25
1980/04/20	24.25
1980/04/21	22.00
1980/04/22	26.50
1980/04/23	29.00
1980/04/24	28.00
1980/04/25	27.25
1980/04/26	25.00
1980/04/27	22.00
1980/04/28	19.75
1980/04/29	20.50
1980/04/30	20.50
1980/05/01	20.50
1980/05/02	19.75
1980/05/03	19.75
1980/05/04	19.75
1980/05/05	21.25
1980/05/06	21.25
1980/05/07	20.50
1980/05/08	19.75
1980/05/09	19.00
1980/05/10	21.25
1980/05/11	35.00
1980/05/12	31.00
1980/05/13	29.00
1980/05/14	28.00
1980/05/15	26.50
1980/05/16	24.25
1980/05/17	28.00
1980/05/18	30.00
1980/05/19	27.25
1980/05/20	25.00
1980/05/21	22.75
1980/05/22	22.00
1980/05/23	24.25
1980/05/24	28.00
1980/05/25	30.00
1980/05/26	34.00
1980/05/27	42.00
1980/05/28	88.00
1980/05/29	78.00
1980/05/30	68.00
1980/05/31	49.00
1980/06/01	46.00
1980/06/02	52.00
1980/06/03	138.00
1980/06/04	219.90
1980/06/05	174.75
1980/06/06	123.00
1980/06/07	107.85
1980/06/08	69.25
1980/06/09	63.00
1980/06/10	54.00
1980/06/11	49.00
1980/06/12	79.25
1980/06/13	95.70
1980/06/14	107.85
1980/06/15	115.95
1980/06/16	283.30
1980/06/17	218.00
1980/06/18	229.40
1980/06/19	188.25
1980/06/20	144.00
1980/06/21	138.00
1980/06/22	135.00
1980/06/23	109.20
1980/06/24	113.25
1980/06/25	153.30
1980/06/26	186.50
1980/06/27	542.00
1980/06/28	339.80
1980/06/29	242.70
1980/06/30	163.20
1980/07/01	142.50
1980/07/02	124.50
1980/07/03	107.85
1980/07/04	91.75
1980/07/05	88.00
1980/07/06	83.00
1980/07/07	75.50
1980/07/08	69.25
1980/07/09	66.00
1980/07/10	64.00
1980/07/11	61.00
1980/07/12	61.00
1980/07/13	59.00
1980/07/14	58.00
1980/07/15	61.00
1980/07/16	80.50
1980/07/17	94.35
1980/07/18	93.00
1980/07/19	178.05
1980/07/20	868.00
1980/07/21	826.50
1980/07/22	483.20
1980/07/23	420.15
1980/07/24	597.80
1980/07/25	1073.00
1980/07/26	551.00
1980/07/27	1302.00
1980/07/28	1225.75
1980/07/29	749.65
1980/07/30	506.00
1980/07/31	361.60
1980/08/01	351.80
1980/08/02	300.20
1980/08/03	268.60
1980/08/04	231.30
1980/08/05	195.25
1980/08/06	174.75
1980/08/07	373.85
1980/08/08	237.00
1980/08/09	193.50
1980/08/10	191.75
1980/08/11	161.55
1980/08/12	139.50
1980/08/13	127.50
1980/08/14	114.60
1980/08/15	102.45
1980/08/16	121.50
1980/08/17	127.50
1980/08/18	121.50
1980/08/19	147.00
1980/08/20	229.40
1980/08/21	195.25
1980/08/22	212.75
1980/08/23	229.40
1980/08/24	694.45
1980/08/25	852.80
1980/08/26	563.15
1980/08/27	398.95
1980/08/28	317.80
1980/08/29	268.60
1980/08/30	246.50
1980/08/31	346.90
1980/09/01	600.95
1980/09/02	845.20
1980/09/03	833.80
1980/09/04	1378.50
1980/09/05	1604.50
1980/09/06	961.30
1980/09/07	629.80
1980/09/08	545.00
1980/09/09	463.60
1980/09/10	428.10
1980/09/11	425.45
1980/09/12	420.15
1980/09/13	388.55
1980/09/14	469.20
1980/09/15	604.10
1980/09/16	536.00
1980/09/17	428.10
1980/09/18	359.15
1980/09/19	302.40
1980/09/20	264.40
1980/09/21	260.20
1980/09/22	238.90
1980/09/23	225.60
1980/09/24	216.25
1980/09/25	256.00
1980/09/26	223.70
1980/09/27	207.50
1980/09/28	204.00
1980/09/29	209.25
1980/09/30	193.50
1980/10/01	188.25
1980/10/02	168.15
1980/10/03	150.00
1980/10/04	136.50
1980/10/05	127.50
1980/10/06	121.50
1980/10/07	120.00
1980/10/08	123.00
1980/10/09	118.65
1980/10/10	118.65
1980/10/11	118.65
1980/10/12	118.65
1980/10/13	118.65
1980/10/14	102.45
1980/10/15	98.40
1980/10/16	98.40
1980/10/17	93.00
1980/10/18	90.50
1980/10/19	83.00
1980/10/20	81.75
1980/10/21	88.00
1980/10/22	103.80
1980/10/23	97.05
1980/10/24	88.00
1980/10/25	75.50
1980/10/26	68.00
1980/10/27	66.00
1980/10/28	65.00
1980/10/29	62.00
1980/10/30	61.00
1980/10/31	65.00
1980/11/01	63.00
1980/11/02	61.00
1980/11/03	57.00
1980/11/04	55.00
1980/11/05	53.00
1980/11/06	53.00
1980/11/07	52.00
1980/11/08	51.00
1980/11/09	52.00
1980/11/10	53.00
1980/11/11	50.00
1980/11/12	49.00
1980/11/13	49.00
1980/11/14	46.00
1980/11/15	46.00
1980/11/16	45.00
1980/11/17	43.00
1980/11/18	43.00
1980/11/19	46.00
1980/11/20	44.00
1980/11/21	43.00
1980/11/22	42.00
1980/11/23	42.00
1980/11/24	41.00
1980/11/25	41.00
1980/11/26	41.00
1980/11/27	39.00
1980/11/28	38.00
1980/11/29	37.00
1980/11/30	36.00
1980/12/01	35.00
1980/12/02	34.00
1980/12/03	33.00
1980/12/04	32.00
1980/12/05	31.00
1980/12/06	31.00
1980/12/07	31.00
1980/12/08	30.00
1980/12/09	30.00
1980/12/10	30.00
1980/12/11	30.00
1980/12/12	30.00
1980/12/13	47.00
1980/12/14	50.00
1980/12/15	40.00
1980/12/16	35.00
1980/12/17	33.00
1980/12/18	31.00
1980/12/19	31.00
1980/12/20	30.00
1980/12/21	29.00
1980/12/22	29.00
1980/12/23	29.00
1980/12/24	29.00
1980/12/25	29.00
1980/12/26	29.00
1980/12/27	29.00
1980/12/28	28.00
1980/12/29	28.00
1980/12/30	27.25
1980/12/31	27.25
#===========================================
# Number of observations = 275 / 366
# Average = 165.40