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	112.80
1980/04/02	101.60
1980/04/03	127.20
1980/04/04	129.60
1980/04/05	119.10
1980/04/06	128.00
1980/04/07	121.90
1980/04/08	113.50
1980/04/09	103.70
1980/04/10	100.20
1980/04/11	130.40
1980/04/12	124.80
1980/04/13	119.10
1980/04/14	101.60
1980/04/15	73.20
1980/04/16	73.20
1980/04/17	103.00
1980/04/18	127.20
1980/04/19	118.40
1980/04/20	110.00
1980/04/21	107.90
1980/04/22	107.20
1980/04/23	99.50
1980/04/24	110.70
1980/04/25	107.90
1980/04/26	102.30
1980/04/27	117.70
1980/04/28	120.50
1980/04/29	114.90
1980/04/30	103.70
1980/05/01	122.60
1980/05/02	125.60
1980/05/03	110.70
1980/05/04	102.30
1980/05/05	133.60
1980/05/06	157.10
1980/05/07	110.00
1980/05/08	131.20
1980/05/09	158.00
1980/05/10	173.30
1980/05/11	191.00
1980/05/12	167.50
1980/05/13	136.00
1980/05/14	96.70
1980/05/15	123.30
1980/05/16	184.00
1980/05/17	256.10
1980/05/18	207.40
1980/05/19	148.60
1980/05/20	100.20
1980/05/21	72.60
1980/05/22	81.70
1980/05/23	99.50
1980/05/24	122.60
1980/05/25	121.20
1980/05/26	126.40
1980/05/27	107.20
1980/05/28	160.00
1980/05/29	231.60
1980/05/30	248.00
1980/05/31	181.00
1980/06/01	118.40
1980/06/02	141.90
1980/06/03	134.40
1980/06/04	84.30
1980/06/05	114.90
1980/06/06	127.20
1980/06/07	132.80
1980/06/08	132.00
1980/06/09	147.60
1980/06/10	171.30
1980/06/11	161.90
1980/06/12	158.00
1980/06/13	134.40
1980/06/14	116.30
1980/06/15	132.80
1980/06/16	165.70
1980/06/17	151.40
1980/06/18	149.50
1980/06/19	207.40
1980/06/20	240.00
1980/06/21	284.80
1980/06/22	358.70
1980/06/23	373.70
1980/06/24	329.70
1980/06/25	277.90
1980/06/26	269.90
1980/06/27	238.90
1980/06/28	225.30
1980/06/29	236.80
1980/06/30	276.80
1980/07/01	275.60
1980/07/02	259.50
1980/07/03	243.40
1980/07/04	202.20
1980/07/05	183.00
1980/07/06	184.00
1980/07/07	160.00
1980/07/08	135.20
1980/07/09	111.40
1980/07/10	114.90
1980/07/11	113.50
1980/07/12	129.60
1980/07/13	105.10
1980/07/14	119.80
1980/07/15	93.40
1980/07/16	74.60
1980/07/17	81.00
1980/07/18	91.50
1980/07/19	96.00
1980/07/20	104.40
1980/07/21	105.80
1980/07/22	117.70
1980/07/23	138.40
1980/07/24	140.90
1980/07/25	234.70
1980/07/26	333.10
1980/07/27	457.60
1980/07/28	536.30
1980/07/29	706.70
1980/07/30	856.10
1980/07/31	1136.00
1980/08/01	1241.10
1980/08/02	1108.00
1980/08/03	902.90
1980/08/04	799.20
1980/08/05	695.10
1980/08/06	591.00
1980/08/07	533.40
1980/08/08	466.00
1980/08/09	344.60
1980/08/10	276.80
1980/08/11	269.90
1980/08/12	304.40
1980/08/13	260.70
1980/08/14	230.60
1980/08/15	200.10
1980/08/16	159.00
1980/08/17	205.30
1980/08/18	199.00
1980/08/19	154.20
1980/08/20	143.80
1980/08/21	153.30
1980/08/22	236.80
1980/08/23	327.40
1980/08/24	372.50
1980/08/25	488.40
1980/08/26	662.10
1980/08/27	846.90
1980/08/28	762.50
1980/08/29	640.60
1980/08/30	597.40
1980/08/31	516.00
1980/09/01	510.20
1980/09/02	618.20
1980/09/03	635.80
1980/09/04	833.90
1980/09/05	923.90
1980/09/06	923.90
1980/09/07	923.90
1980/09/08	1300.50
1980/09/09	1517.10
1980/09/10	1512.80
1980/09/11	1428.20
1980/09/12	1267.70
1980/09/13	1188.00
1980/09/14	1118.00
1980/09/15	1011.70
1980/09/16	897.20
1980/09/17	821.00
1980/09/18	931.70
1980/09/19	1154.00
1980/09/20	1224.70
1980/09/21	1176.00
1980/09/22	1168.00
1980/09/23	1098.00
1980/09/24	992.10
1980/09/25	910.50
1980/09/26	843.10
1980/09/27	759.00
1980/09/28	733.10
1980/09/29	706.70
1980/09/30	637.40
1980/10/01	542.10
1980/10/02	555.50
1980/10/03	531.90
1980/10/04	511.60
1980/10/05	508.70
1980/10/06	605.40
1980/10/07	521.80
1980/10/08	513.10
1980/10/09	549.50
1980/10/10	537.80
1980/10/11	514.50
1980/10/12	484.20
1980/10/13	415.80
1980/10/14	277.90
1980/10/15	289.50
1980/10/16	268.70
1980/10/17	457.60
1980/10/18	434.70
1980/10/19	375.00
1980/10/20	422.60
1980/10/21	405.00
1980/10/22	375.00
1980/10/23	448.20
1980/10/24	368.80
1980/10/25	258.40
1980/10/26	208.50
1980/10/27	233.70
1980/10/28	186.00
1980/10/29	164.70
1980/10/30	232.70
1980/10/31	158.00
1980/11/01	90.10
1980/11/02	75.90
1980/11/03	94.70
1980/11/04	115.60
1980/11/05	100.90
1980/11/06	108.60
1980/11/07	237.90
1980/11/08	194.00
1980/11/09	146.70
1980/11/10	145.70
1980/11/11	160.90
1980/11/12	128.80
1980/11/13	116.30
1980/11/14	111.40
1980/11/15	77.10
1980/11/16	80.40
1980/11/17	105.80
1980/11/18	124.80
1980/11/19	130.40
1980/11/20	86.90
1980/11/21	219.00
1980/11/22	253.80
1980/11/23	187.00
1980/11/24	242.30
1980/11/25	137.60
1980/11/26	105.10
1980/11/27	197.00
1980/11/28	207.40
1980/11/29	148.60
1980/11/30	153.30
1980/12/01	188.00
1980/12/02	160.90
1980/12/03	119.80
1980/12/04	210.60
1980/12/05	221.10
1980/12/06	183.00
1980/12/07	234.70
1980/12/08	150.40
1980/12/09	195.00
1980/12/10	232.70
1980/12/11	334.30
1980/12/12	260.70
1980/12/13	159.00
1980/12/14	157.10
1980/12/15	193.00
1980/12/16	213.80
1980/12/17	160.90
1980/12/18	277.90
1980/12/19	297.50
1980/12/20	250.40
1980/12/21	118.40
1980/12/22	88.80
1980/12/23	85.60
1980/12/24	83.00
1980/12/25	81.00
1980/12/26	79.70
1980/12/27	77.10
1980/12/28	75.90
1980/12/29	75.20
1980/12/30	105.10
1980/12/31	152.30
#===========================================
# Number of observations = 275 / 366
# Average = 318.45