1981/01/01	60.00
1981/01/02	59.40
1981/01/03	132.80
1981/01/04	125.60
1981/01/05	147.20
1981/01/06	193.80
1981/01/07	346.00
1981/01/08	366.00
1981/01/09	346.00
1981/01/10	326.00
1981/01/11	196.60
1981/01/12	107.00
1981/01/13	168.80
1981/01/14	172.80
1981/01/15	140.00
1981/01/16	67.20
1981/01/17	58.80
1981/01/18	57.00
1981/01/19	36.80
1981/01/20	70.80
1981/01/21	94.00
1981/01/22	171.40
1981/01/23	178.40
1981/01/24	166.40
1981/01/25	156.80
1981/01/26	101.00
1981/01/27	152.00
1981/01/28	153.20
1981/01/29	137.60
1981/01/30	136.40
1981/01/31	247.80
1981/02/01	305.40
1981/02/02	204.40
1981/02/03	191.00
1981/02/04	212.40
1981/02/05	214.00
1981/02/06	175.60
1981/02/07	217.20
1981/02/08	181.20
1981/02/09	174.20
1981/02/10	141.20
1981/02/11	239.60
1981/02/12	282.00
1981/02/13	368.00
1981/02/14	391.20
1981/02/15	314.40
1981/02/16	166.40
1981/02/17	274.80
1981/02/18	283.80
1981/02/19	276.60
1981/02/20	287.40
1981/02/21	280.20
1981/02/22	264.00
1981/02/23	303.60
1981/02/24	391.20
1981/02/25	414.40
1981/02/26	402.40
1981/02/27	289.20
1981/02/28	278.40
1981/03/01	285.60
1981/03/02	238.00
1981/03/03	274.80
1981/03/04	242.80
1981/03/05	262.20
1981/03/06	256.80
1981/03/07	246.00
1981/03/08	223.60
1981/03/09	189.60
1981/03/10	251.40
1981/03/11	223.60
1981/03/12	258.60
1981/03/13	276.60
1981/03/14	340.00
1981/03/15	324.00
1981/03/16	238.00
1981/03/17	296.40
1981/03/18	300.00
1981/03/19	287.40
1981/03/20	269.40
1981/03/21	280.20
1981/03/22	274.80
1981/03/23	226.80
1981/03/24	300.00
1981/03/25	309.00
1981/03/26	307.20
1981/03/27	318.00
1981/03/28	332.00
1981/03/29	310.80
1981/03/30	228.40
1981/03/31	206.00
1981/04/01	206.00
1981/04/02	228.40
1981/04/03	256.80
1981/04/04	274.80
1981/04/05	251.40
1981/04/06	214.00
1981/04/07	225.20
1981/04/08	294.60
1981/04/09	324.00
1981/04/10	330.00
1981/04/11	348.00
1981/04/12	330.00
1981/04/13	251.40
1981/04/14	167.60
1981/04/15	265.80
1981/04/16	301.80
1981/04/17	298.20
1981/04/18	271.20
1981/04/19	234.80
1981/04/20	234.80
1981/04/21	264.00
1981/04/22	300.00
1981/04/23	294.60
1981/04/24	316.20
1981/04/25	330.00
1981/04/26	316.20
1981/04/27	292.80
1981/04/28	310.80
1981/04/29	318.00
1981/04/30	298.20
1981/05/01	244.40
1981/05/02	185.40
1981/05/03	195.20
1981/05/04	191.00
1981/05/05	228.40
1981/05/06	226.80
1981/05/07	242.80
1981/05/08	207.60
1981/05/09	201.20
1981/05/10	177.00
1981/05/11	156.80
1981/05/12	196.60
1981/05/13	191.00
1981/05/14	210.80
1981/05/15	182.60
1981/05/16	168.80
1981/05/17	147.20
1981/05/18	107.00
1981/05/19	214.00
1981/05/20	283.80
1981/05/21	322.00
1981/05/22	370.00
1981/05/23	496.00
1981/05/24	391.20
1981/05/25	236.40
1981/05/26	346.00
1981/05/27	366.00
1981/05/28	407.20
1981/05/29	404.80
1981/05/30	352.00
1981/05/31	283.80
1981/06/01	113.00
1981/06/02	318.00
1981/06/03	342.00
1981/06/04	397.80
1981/06/05	393.40
1981/06/06	448.00
1981/06/07	378.00
1981/06/08	258.60
1981/06/09	397.80
1981/06/10	374.00
1981/06/11	354.00
1981/06/12	356.00
1981/06/13	436.00
1981/06/14	384.60
1981/06/15	294.60
1981/06/16	298.20
1981/06/17	400.00
1981/06/18	400.00
1981/06/19	340.00
1981/06/20	314.40
1981/06/21	233.20
1981/06/22	193.80
1981/06/23	274.80
1981/06/24	276.60
1981/06/25	271.20
1981/06/26	271.20
1981/06/27	260.40
1981/06/28	262.20
1981/06/29	274.80
1981/06/30	350.00
1981/07/01	287.40
1981/07/02	156.80
1981/07/03	147.20
1981/07/04	249.60
1981/07/05	63.20
1981/07/06	93.00
1981/07/07	689.80
1981/07/08	613.00
1981/07/09	267.60
1981/07/10	233.20
1981/07/11	209.20
1981/07/12	103.00
1981/07/13	91.00
1981/07/14	253.20
1981/07/15	265.80
1981/07/16	246.00
1981/07/17	218.80
1981/07/18	101.00
1981/07/19	141.20
1981/07/20	374.00
1981/07/21	457.60
1981/07/22	764.60
1981/07/23	845.20
1981/07/24	720.40
1981/07/25	448.00
1981/07/26	143.60
1981/07/27	143.60
1981/07/28	414.40
1981/07/29	467.20
1981/07/30	467.20
1981/07/31	493.60
1981/08/01	637.20
1981/08/02	610.00
1981/08/03	587.80
1981/08/04	713.60
1981/08/05	820.00
1981/08/06	958.00
1981/08/07	918.00
1981/08/08	856.00
1981/08/09	788.40
1981/08/10	703.40
1981/08/11	946.00
1981/08/12	898.00
1981/08/13	622.00
1981/08/14	771.40
1981/08/15	764.60
1981/08/16	710.20
1981/08/17	643.60
1981/08/18	440.80
1981/08/19	395.60
1981/08/20	402.40
1981/08/21	601.30
1981/08/22	637.20
1981/08/23	610.00
1981/08/24	640.40
1981/08/25	391.20
1981/08/26	386.80
1981/08/27	384.60
1981/08/28	395.60
1981/08/29	364.00
1981/08/30	298.20
1981/08/31	132.80
1981/09/01	368.00
1981/09/02	404.80
1981/09/03	428.80
1981/09/04	462.40
1981/09/05	493.60
1981/09/06	514.90
1981/09/07	386.80
1981/09/08	448.00
1981/09/09	450.40
1981/09/10	582.40
1981/09/11	560.80
1981/09/12	310.80
1981/09/13	78.00
1981/09/14	116.00
1981/09/15	260.40
1981/09/16	249.60
1981/09/17	234.80
1981/09/18	138.80
1981/09/19	137.60
1981/09/20	62.40
1981/09/21	64.80
1981/09/22	244.40
1981/09/23	253.20
1981/09/24	231.60
1981/09/25	291.00
1981/09/26	255.00
1981/09/27	67.20
1981/09/28	64.80
1981/09/29	280.20
1981/09/30	334.00
1981/10/01	352.00
1981/10/02	366.00
1981/10/03	292.80
1981/10/04	82.00
1981/10/05	94.00
1981/10/06	276.60
1981/10/07	300.00
1981/10/08	318.00
1981/10/09	324.00
1981/10/10	278.40
1981/10/11	196.60
1981/10/12	86.00
1981/10/13	107.00
1981/10/14	107.00
1981/10/15	116.00
1981/10/16	154.40
1981/10/17	167.60
1981/10/18	204.40
1981/10/19	148.40
1981/10/20	228.40
1981/10/21	251.40
1981/10/22	283.80
1981/10/23	212.40
1981/10/24	140.00
1981/10/25	76.00
1981/10/26	68.00
1981/10/27	172.80
1981/10/28	242.80
1981/10/29	242.80
1981/10/30	242.80
1981/10/31	241.20
1981/11/01	214.00
1981/11/02	260.40
1981/11/03	280.20
1981/11/04	322.00
1981/11/05	296.40
1981/11/06	303.60
1981/11/07	296.40
1981/11/08	93.00
1981/11/09	69.60
1981/11/10	269.40
1981/11/11	171.40
1981/11/12	179.80
1981/11/13	202.80
1981/11/14	204.40
1981/11/15	179.80
1981/11/16	192.40
1981/11/17	223.60
1981/11/18	214.00
1981/11/19	236.40
1981/11/20	332.00
1981/11/21	362.00
1981/11/22	265.80
1981/11/23	174.20
1981/11/24	346.00
1981/11/25	368.00
1981/11/26	356.00
1981/11/27	364.00
1981/11/28	356.00
1981/11/29	251.40
1981/11/30	116.00
1981/12/01	236.40
1981/12/02	148.40
1981/12/03	149.60
1981/12/04	144.80
1981/12/05	192.40
1981/12/06	69.60
1981/12/07	72.00
1981/12/08	172.80
1981/12/09	242.80
1981/12/10	247.80
1981/12/11	239.60
1981/12/12	378.00
1981/12/13	356.00
1981/12/14	231.60
1981/12/15	354.00
1981/12/16	356.00
1981/12/17	360.00
1981/12/18	352.00
1981/12/19	389.00
1981/12/20	332.00
1981/12/21	198.00
1981/12/22	312.60
1981/12/23	241.20
1981/12/24	234.80
1981/12/25	258.60
1981/12/26	239.60
1981/12/27	141.20
1981/12/28	81.00
1981/12/29	160.40
1981/12/30	195.20
1981/12/31	164.00
#===========================================
# Number of observations = 365 / 365
# Average = 289.93