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	1.10
1980/04/02	1.10
1980/04/03	1.10
1980/04/04	1.20
1980/04/05	1.20
1980/04/06	1.20
1980/04/07	1.20
1980/04/08	1.10
1980/04/09	1.10
1980/04/10	1.00
1980/04/11	1.00
1980/04/12	0.90
1980/04/13	0.80
1980/04/14	10.40
1980/04/15	11.20
1980/04/16	8.80
1980/04/17	7.40
1980/04/18	7.40
1980/04/19	6.80
1980/04/20	6.20
1980/04/21	4.70
1980/04/22	4.70
1980/04/23	3.80
1980/04/24	2.90
1980/04/25	2.60
1980/04/26	2.30
1980/04/27	5.00
1980/04/28	3.20
1980/04/29	2.00
1980/04/30	1.90
1980/05/01	1.60
1980/05/02	1.60
1980/05/03	1.50
1980/05/04	1.60
1980/05/05	1.50
1980/05/06	1.60
1980/05/07	2.00
1980/05/08	1.90
1980/05/09	1.90
1980/05/10	7.70
1980/05/11	5.60
1980/05/12	3.20
1980/05/13	2.30
1980/05/14	1.80
1980/05/15	1.70
1980/05/16	1.70
1980/05/17	1.80
1980/05/18	5.90
1980/05/19	8.80
1980/05/20	3.50
1980/05/21	8.40
1980/05/22	11.20
1980/05/23	18.00
1980/05/24	13.20
1980/05/25	19.60
1980/05/26	17.60
1980/05/27	20.00
1980/05/28	21.50
1980/05/29	17.20
1980/05/30	13.20
1980/05/31	21.50
1980/06/01	27.50
1980/06/02	27.00
1980/06/03	32.00
1980/06/04	22.50
1980/06/05	23.00
1980/06/06	159.60
1980/06/07	130.80
1980/06/08	73.60
1980/06/09	44.80
1980/06/10	40.00
1980/06/11	47.20
1980/06/12	48.80
1980/06/13	41.60
1980/06/14	40.80
1980/06/15	61.60
1980/06/16	61.60
1980/06/17	56.80
1980/06/18	52.80
1980/06/19	76.00
1980/06/20	96.00
1980/06/21	106.60
1980/06/22	141.80
1980/06/23	145.20
1980/06/24	138.50
1980/06/25	107.70
1980/06/26	85.00
1980/06/27	78.40
1980/06/28	76.80
1980/06/29	79.20
1980/06/30	95.00
1980/07/01	90.00
1980/07/02	65.60
1980/07/03	42.40
1980/07/04	33.00
1980/07/05	28.00
1980/07/06	24.50
1980/07/07	22.00
1980/07/08	20.00
1980/07/09	18.40
1980/07/10	16.80
1980/07/11	15.20
1980/07/12	14.00
1980/07/13	14.80
1980/07/14	14.80
1980/07/15	13.60
1980/07/16	13.60
1980/07/17	14.00
1980/07/18	17.60
1980/07/19	14.00
1980/07/20	12.00
1980/07/21	18.80
1980/07/22	52.80
1980/07/23	98.00
1980/07/24	95.00
1980/07/25	111.00
1980/07/26	113.20
1980/07/27	387.60
1980/07/28	453.00
1980/07/29	490.00
1980/07/30	530.00
1980/07/31	333.60
1980/08/01	245.20
1980/08/02	221.40
1980/08/03	218.60
1980/08/04	170.40
1980/08/05	130.80
1980/08/06	99.00
1980/08/07	76.80
1980/08/08	64.80
1980/08/09	60.00
1980/08/10	53.60
1980/08/11	53.60
1980/08/12	56.80
1980/08/13	48.00
1980/08/14	40.00
1980/08/15	35.50
1980/08/16	32.50
1980/08/17	35.50
1980/08/18	44.00
1980/08/19	72.00
1980/08/20	77.60
1980/08/21	79.20
1980/08/22	100.00
1980/08/23	122.00
1980/08/24	123.10
1980/08/25	127.50
1980/08/26	289.00
1980/08/27	467.40
1980/08/28	262.00
1980/08/29	181.20
1980/08/30	138.50
1980/08/31	125.30
1980/09/01	292.00
1980/09/02	986.60
1980/09/03	973.10
1980/09/04	820.00
1980/09/05	564.00
1980/09/06	736.00
1980/09/07	1689.80
1980/09/08	2173.60
1980/09/09	1289.00
1980/09/10	889.40
1980/09/11	512.00
1980/09/12	454.80
1980/09/13	486.00
1980/09/14	392.70
1980/09/15	320.80
1980/09/16	324.00
1980/09/17	300.00
1980/09/18	391.00
1980/09/19	396.10
1980/09/20	427.80
1980/09/21	332.00
1980/09/22	280.00
1980/09/23	256.40
1980/09/24	236.80
1980/09/25	236.80
1980/09/26	199.00
1980/09/27	184.80
1980/09/28	203.20
1980/09/29	207.40
1980/09/30	184.80
1980/10/01	164.40
1980/10/02	162.00
1980/10/03	168.00
1980/10/04	180.00
1980/10/05	135.20
1980/10/06	113.20
1980/10/07	102.20
1980/10/08	109.90
1980/10/09	114.30
1980/10/10	114.30
1980/10/11	108.80
1980/10/12	97.00
1980/10/13	89.00
1980/10/14	84.00
1980/10/15	83.00
1980/10/16	88.00
1980/10/17	157.20
1980/10/18	141.80
1980/10/19	127.50
1980/10/20	151.20
1980/10/21	133.00
1980/10/22	124.20
1980/10/23	107.70
1980/10/24	98.00
1980/10/25	86.00
1980/10/26	77.60
1980/10/27	75.20
1980/10/28	68.80
1980/10/29	60.00
1980/10/30	55.20
1980/10/31	53.60
1980/11/01	52.00
1980/11/02	50.40
1980/11/03	47.20
1980/11/04	44.00
1980/11/05	41.60
1980/11/06	40.00
1980/11/07	39.00
1980/11/08	39.00
1980/11/09	100.00
1980/11/10	78.40
1980/11/11	57.60
1980/11/12	50.40
1980/11/13	45.60
1980/11/14	42.40
1980/11/15	41.60
1980/11/16	40.00
1980/11/17	39.00
1980/11/18	37.50
1980/11/19	37.50
1980/11/20	36.50
1980/11/21	36.00
1980/11/22	34.00
1980/11/23	33.00
1980/11/24	32.50
1980/11/25	32.50
1980/11/26	32.50
1980/11/27	32.50
1980/11/28	32.00
1980/11/29	32.00
1980/11/30	31.50
1980/12/01	31.50
1980/12/02	31.50
1980/12/03	31.00
1980/12/04	30.50
1980/12/05	30.00
1980/12/06	29.00
1980/12/07	28.00
1980/12/08	27.50
1980/12/09	27.00
1980/12/10	26.00
1980/12/11	25.50
1980/12/12	25.50
1980/12/13	25.00
1980/12/14	24.50
1980/12/15	24.00
1980/12/16	23.50
1980/12/17	26.50
1980/12/18	30.00
1980/12/19	29.00
1980/12/20	27.00
1980/12/21	24.50
1980/12/22	23.50
1980/12/23	22.00
1980/12/24	21.00
1980/12/25	20.00
1980/12/26	20.00
1980/12/27	19.60
1980/12/28	19.20
1980/12/29	19.20
1980/12/30	18.80
1980/12/31	18.40
#===========================================
# Number of observations = 275 / 366
# Average = 115.78