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	7.50
1980/04/02	6.90
1980/04/03	11.70
1980/04/04	8.70
1980/04/05	6.30
1980/04/06	5.40
1980/04/07	4.80
1980/04/08	4.50
1980/04/09	4.50
1980/04/10	4.50
1980/04/11	4.50
1980/04/12	4.20
1980/04/13	3.90
1980/04/14	4.20
1980/04/15	3.90
1980/04/16	3.90
1980/04/17	3.90
1980/04/18	3.90
1980/04/19	3.90
1980/04/20	3.60
1980/04/21	3.90
1980/04/22	3.60
1980/04/23	3.60
1980/04/24	3.30
1980/04/25	3.30
1980/04/26	3.00
1980/04/27	2.70
1980/04/28	3.30
1980/04/29	13.20
1980/04/30	13.20
1980/05/01	7.80
1980/05/02	5.40
1980/05/03	6.00
1980/05/04	8.40
1980/05/05	5.70
1980/05/06	4.20
1980/05/07	5.40
1980/05/08	5.40
1980/05/09	4.50
1980/05/10	3.90
1980/05/11	8.40
1980/05/12	9.60
1980/05/13	8.10
1980/05/14	6.30
1980/05/15	6.30
1980/05/16	9.30
1980/05/17	6.90
1980/05/18	8.10
1980/05/19	7.50
1980/05/20	6.90
1980/05/21	6.90
1980/05/22	6.60
1980/05/23	5.70
1980/05/24	4.50
1980/05/25	6.30
1980/05/26	8.10
1980/05/27	7.80
1980/05/28	8.40
1980/05/29	8.70
1980/05/30	6.60
1980/05/31	6.00
1980/06/01	5.40
1980/06/02	8.40
1980/06/03	8.70
1980/06/04	10.20
1980/06/05	16.80
1980/06/06	31.50
1980/06/07	26.80
1980/06/08	31.50
1980/06/09	33.50
1980/06/10	35.50
1980/06/11	35.50
1980/06/12	38.00
1980/06/13	39.80
1980/06/14	39.80
1980/06/15	35.50
1980/06/16	36.50
1980/06/17	33.50
1980/06/18	39.20
1980/06/19	38.60
1980/06/20	37.00
1980/06/21	33.50
1980/06/22	27.60
1980/06/23	24.40
1980/06/24	26.40
1980/06/25	34.50
1980/06/26	38.60
1980/06/27	42.80
1980/06/28	51.20
1980/06/29	56.70
1980/06/30	63.70
1980/07/01	74.90
1980/07/02	84.70
1980/07/03	95.80
1980/07/04	103.80
1980/07/05	111.80
1980/07/06	121.30
1980/07/07	130.30
1980/07/08	148.30
1980/07/09	153.70
1980/07/10	151.00
1980/07/11	149.20
1980/07/12	144.70
1980/07/13	133.90
1980/07/14	114.20
1980/07/15	92.60
1980/07/16	71.40
1980/07/17	54.20
1980/07/18	42.80
1980/07/19	35.00
1980/07/20	30.50
1980/07/21	27.60
1980/07/22	26.00
1980/07/23	25.60
1980/07/24	27.60
1980/07/25	26.00
1980/07/26	27.20
1980/07/27	36.00
1980/07/28	53.00
1980/07/29	70.00
1980/07/30	80.50
1980/07/31	86.80
1980/08/01	91.80
1980/08/02	99.80
1980/08/03	107.00
1980/08/04	115.00
1980/08/05	123.10
1980/08/06	129.40
1980/08/07	139.30
1980/08/08	144.70
1980/08/09	150.10
1980/08/10	154.60
1980/08/11	159.10
1980/08/12	161.00
1980/08/13	164.00
1980/08/14	165.00
1980/08/15	164.00
1980/08/16	165.00
1980/08/17	160.00
1980/08/18	151.90
1980/08/19	138.40
1980/08/20	117.70
1980/08/21	96.60
1980/08/22	77.00
1980/08/23	61.60
1980/08/24	48.80
1980/08/25	39.80
1980/08/26	34.50
1980/08/27	34.50
1980/08/28	41.00
1980/08/29	50.60
1980/08/30	63.70
1980/08/31	77.70
1980/09/01	88.90
1980/09/02	97.40
1980/09/03	107.00
1980/09/04	115.90
1980/09/05	124.90
1980/09/06	136.60
1980/09/07	152.80
1980/09/08	164.00
1980/09/09	175.00
1980/09/10	181.00
1980/09/11	188.00
1980/09/12	194.00
1980/09/13	195.00
1980/09/14	203.00
1980/09/15	213.30
1980/09/16	222.10
1980/09/17	237.50
1980/09/18	261.70
1980/09/19	271.60
1980/09/20	282.60
1980/09/21	305.70
1980/09/22	335.40
1980/09/23	360.70
1980/09/24	394.00
1980/09/25	438.40
1980/09/26	480.40
1980/09/27	512.80
1980/09/28	529.60
1980/09/29	551.20
1980/09/30	586.20
1980/10/01	636.90
1980/10/02	687.60
1980/10/03	748.70
1980/10/04	834.50
1980/10/05	885.50
1980/10/06	870.50
1980/10/07	833.00
1980/10/08	784.40
1980/10/09	738.30
1980/10/10	696.70
1980/10/11	674.60
1980/10/12	657.70
1980/10/13	627.80
1980/10/14	588.80
1980/10/15	545.20
1980/10/16	505.60
1980/10/17	479.20
1980/10/18	448.00
1980/10/19	398.80
1980/10/20	345.30
1980/10/21	304.60
1980/10/22	267.20
1980/10/23	230.90
1980/10/24	208.00
1980/10/25	218.80
1980/10/26	244.10
1980/10/27	251.80
1980/10/28	234.20
1980/10/29	202.00
1980/10/30	168.00
1980/10/31	142.00
1980/11/01	119.50
1980/11/02	104.60
1980/11/03	94.20
1980/11/04	85.40
1980/11/05	77.70
1980/11/06	71.40
1980/11/07	66.50
1980/11/08	63.00
1980/11/09	58.10
1980/11/10	55.40
1980/11/11	56.70
1980/11/12	55.40
1980/11/13	51.20
1980/11/14	47.60
1980/11/15	44.00
1980/11/16	40.40
1980/11/17	38.00
1980/11/18	36.00
1980/11/19	35.00
1980/11/20	34.50
1980/11/21	34.50
1980/11/22	33.50
1980/11/23	33.50
1980/11/24	32.00
1980/11/25	30.50
1980/11/26	29.50
1980/11/27	28.50
1980/11/28	27.20
1980/11/29	26.80
1980/11/30	26.00
1980/12/01	26.00
1980/12/02	25.20
1980/12/03	24.40
1980/12/04	24.00
1980/12/05	23.60
1980/12/06	23.20
1980/12/07	22.80
1980/12/08	22.40
1980/12/09	22.00
1980/12/10	21.60
1980/12/11	21.20
1980/12/12	20.40
1980/12/13	20.00
1980/12/14	19.60
1980/12/15	19.60
1980/12/16	19.20
1980/12/17	19.20
1980/12/18	18.80
1980/12/19	18.80
1980/12/20	18.40
1980/12/21	18.40
1980/12/22	17.60
1980/12/23	16.80
1980/12/24	16.40
1980/12/25	16.40
1980/12/26	16.00
1980/12/27	15.60
1980/12/28	15.20
1980/12/29	14.80
1980/12/30	14.80
1980/12/31	14.40
#===========================================
# Number of observations = 275 / 366
# Average = 120.05