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	110.20
1980/04/02	113.80
1980/04/03	106.60
1980/04/04	138.10
1980/04/05	104.80
1980/04/06	110.20
1980/04/07	130.50
1980/04/08	108.40
1980/04/09	106.60
1980/04/10	106.60
1980/04/11	115.60
1980/04/12	119.20
1980/04/13	112.00
1980/04/14	103.00
1980/04/15	98.20
1980/04/16	69.20
1980/04/17	85.50
1980/04/18	115.60
1980/04/19	128.60
1980/04/20	119.20
1980/04/21	119.20
1980/04/22	117.40
1980/04/23	96.60
1980/04/24	204.70
1980/04/25	113.80
1980/04/26	108.40
1980/04/27	108.40
1980/04/28	96.60
1980/04/29	104.80
1980/04/30	101.40
1980/05/01	95.00
1980/05/02	112.00
1980/05/03	108.40
1980/05/04	101.40
1980/05/05	88.60
1980/05/06	103.00
1980/05/07	112.00
1980/05/08	98.20
1980/05/09	144.40
1980/05/10	157.60
1980/05/11	164.20
1980/05/12	195.50
1980/05/13	146.60
1980/05/14	132.40
1980/05/15	95.00
1980/05/16	119.20
1980/05/17	175.20
1980/05/18	42.60
1980/05/19	151.00
1980/05/20	138.10
1980/05/21	138.10
1980/05/22	148.80
1980/05/23	1074.50
1980/05/24	1354.20
1980/05/25	1028.60
1980/05/26	657.00
1980/05/27	497.10
1980/05/28	411.70
1980/05/29	362.20
1980/05/30	284.20
1980/05/31	305.60
1980/06/01	245.50
1980/06/02	224.50
1980/06/03	270.20
1980/06/04	299.40
1980/06/05	486.00
1980/06/06	212.00
1980/06/07	278.60
1980/06/08	242.80
1980/06/09	227.00
1980/06/10	290.10
1980/06/11	227.00
1980/06/12	284.20
1980/06/13	318.00
1980/06/14	339.70
1980/06/15	368.80
1980/06/16	452.70
1980/06/17	467.50
1980/06/18	355.60
1980/06/19	385.30
1980/06/20	382.00
1980/06/21	355.60
1980/06/22	421.80
1980/06/23	508.20
1980/06/24	500.80
1980/06/25	489.70
1980/06/26	478.60
1980/06/27	438.80
1980/06/28	405.10
1980/06/29	342.80
1980/06/30	290.10
1980/07/01	259.00
1980/07/02	234.70
1980/07/03	170.80
1980/07/04	146.60
1980/07/05	184.00
1980/07/06	184.00
1980/07/07	186.30
1980/07/08	173.00
1980/07/09	164.20
1980/07/10	151.00
1980/07/11	190.90
1980/07/12	190.90
1980/07/13	179.60
1980/07/14	179.60
1980/07/15	148.80
1980/07/16	153.20
1980/07/17	134.30
1980/07/18	157.60
1980/07/19	140.00
1980/07/20	155.40
1980/07/21	146.60
1980/07/22	173.00
1980/07/23	162.00
1980/07/24	168.60
1980/07/25	240.10
1980/07/26	296.30
1980/07/27	388.60
1980/07/28	486.00
1980/07/29	463.80
1980/07/30	395.20
1980/07/31	385.30
1980/08/01	425.20
1980/08/02	463.80
1980/08/03	435.40
1980/08/04	418.40
1980/08/05	398.50
1980/08/06	333.50
1980/08/07	299.40
1980/08/08	267.40
1980/08/09	237.40
1980/08/10	212.00
1980/08/11	227.00
1980/08/12	229.50
1980/08/13	212.00
1980/08/14	179.60
1980/08/15	157.60
1980/08/16	140.00
1980/08/17	166.40
1980/08/18	202.40
1980/08/19	207.00
1980/08/20	181.80
1980/08/21	179.60
1980/08/22	237.40
1980/08/23	224.50
1980/08/24	229.50
1980/08/25	219.50
1980/08/26	227.00
1980/08/27	214.50
1980/08/28	197.80
1980/08/29	170.80
1980/08/30	175.20
1980/08/31	177.40
1980/09/01	234.70
1980/09/02	284.20
1980/09/03	259.00
1980/09/04	237.40
1980/09/05	222.00
1980/09/06	240.10
1980/09/07	264.60
1980/09/08	321.10
1980/09/09	388.60
1980/09/10	511.90
1980/09/11	597.10
1980/09/12	573.70
1980/09/13	500.80
1980/09/14	442.20
1980/09/15	418.40
1980/09/16	362.20
1980/09/17	324.20
1980/09/18	311.80
1980/09/19	321.10
1980/09/20	456.40
1980/09/21	633.00
1980/09/22	899.30
1980/09/23	792.00
1980/09/24	701.50
1980/09/25	661.00
1980/09/26	629.00
1980/09/27	554.20
1980/09/28	519.30
1980/09/29	452.70
1980/09/30	432.00
1980/10/01	523.00
1980/10/02	601.00
1980/10/03	866.40
1980/10/04	1291.50
1980/10/05	1263.00
1980/10/06	1164.00
1980/10/07	998.00
1980/10/08	899.30
1980/10/09	998.00
1980/10/10	880.50
1980/10/11	769.50
1980/10/12	661.00
1980/10/13	573.70
1980/10/14	511.90
1980/10/15	489.70
1980/10/16	428.60
1980/10/17	391.90
1980/10/18	411.70
1980/10/19	358.90
1980/10/20	333.50
1980/10/21	362.20
1980/10/22	321.10
1980/10/23	382.00
1980/10/24	302.50
1980/10/25	275.80
1980/10/26	256.30
1980/10/27	237.40
1980/10/28	237.40
1980/10/29	234.70
1980/10/30	222.00
1980/10/31	222.00
1980/11/01	204.70
1980/11/02	204.70
1980/11/03	212.00
1980/11/04	193.20
1980/11/05	175.20
1980/11/06	166.40
1980/11/07	164.20
1980/11/08	159.80
1980/11/09	155.40
1980/11/10	195.50
1980/11/11	202.40
1980/11/12	193.20
1980/11/13	181.80
1980/11/14	186.30
1980/11/15	186.30
1980/11/16	175.20
1980/11/17	173.00
1980/11/18	181.80
1980/11/19	168.60
1980/11/20	170.80
1980/11/21	229.50
1980/11/22	212.00
1980/11/23	207.00
1980/11/24	207.00
1980/11/25	164.20
1980/11/26	138.10
1980/11/27	121.00
1980/11/28	140.00
1980/11/29	148.80
1980/11/30	146.60
1980/12/01	113.80
1980/12/02	103.00
1980/12/03	96.60
1980/12/04	91.80
1980/12/05	124.80
1980/12/06	128.60
1980/12/07	132.40
1980/12/08	134.30
1980/12/09	112.00
1980/12/10	153.20
1980/12/11	224.50
1980/12/12	170.80
1980/12/13	142.20
1980/12/14	106.60
1980/12/15	103.00
1980/12/16	98.20
1980/12/17	128.60
1980/12/18	117.40
1980/12/19	256.30
1980/12/20	248.20
1980/12/21	148.80
1980/12/22	136.20
1980/12/23	112.00
1980/12/24	91.80
1980/12/25	82.50
1980/12/26	98.20
1980/12/27	87.00
1980/12/28	82.50
1980/12/29	79.50
1980/12/30	72.00
1980/12/31	67.80
#===========================================
# Number of observations = 275 / 366
# Average = 281.32