1981/01/01	46.00
1981/01/02	46.00
1981/01/03	44.00
1981/01/04	44.00
1981/01/05	40.00
1981/01/06	38.00
1981/01/07	50.00
1981/01/08	97.80
1981/01/09	134.20
1981/01/10	149.80
1981/01/11	123.80
1981/01/12	123.80
1981/01/13	64.00
1981/01/14	80.00
1981/01/15	78.00
1981/01/16	58.00
1981/01/17	52.00
1981/01/18	48.00
1981/01/19	46.00
1981/01/20	44.00
1981/01/21	46.00
1981/01/22	58.00
1981/01/23	66.00
1981/01/24	103.00
1981/01/25	110.80
1981/01/26	100.40
1981/01/27	56.00
1981/01/28	74.00
1981/01/29	116.00
1981/01/30	121.20
1981/01/31	139.40
1981/02/01	238.00
1981/02/02	226.00
1981/02/03	131.60
1981/02/04	123.80
1981/02/05	121.20
1981/02/06	123.80
1981/02/07	100.40
1981/02/08	142.00
1981/02/09	131.60
1981/02/10	126.40
1981/02/11	188.80
1981/02/12	155.00
1981/02/13	220.00
1981/02/14	262.00
1981/02/15	223.00
1981/02/16	157.60
1981/02/17	76.00
1981/02/18	92.60
1981/02/19	113.40
1981/02/20	118.60
1981/02/21	100.40
1981/02/22	160.20
1981/02/23	194.00
1981/02/24	178.40
1981/02/25	212.20
1981/02/26	201.80
1981/02/27	235.00
1981/02/28	229.00
1981/03/01	214.80
1981/03/02	204.40
1981/03/03	191.40
1981/03/04	214.80
1981/03/05	201.80
1981/03/06	212.20
1981/03/07	199.20
1981/03/08	201.80
1981/03/09	183.60
1981/03/10	139.40
1981/03/11	209.60
1981/03/12	201.80
1981/03/13	241.00
1981/03/14	229.00
1981/03/15	277.00
1981/03/16	229.00
1981/03/17	160.20
1981/03/18	229.00
1981/03/19	226.00
1981/03/20	226.00
1981/03/21	201.80
1981/03/22	212.20
1981/03/23	204.40
1981/03/24	142.00
1981/03/25	226.00
1981/03/26	229.00
1981/03/27	220.00
1981/03/28	256.00
1981/03/29	238.00
1981/03/30	217.40
1981/03/31	280.00
1981/04/01	344.00
1981/04/02	376.40
1981/04/03	316.80
1981/04/04	362.00
1981/04/05	344.00
1981/04/06	279.40
1981/04/07	289.60
1981/04/08	303.20
1981/04/09	330.40
1981/04/10	313.40
1981/04/11	289.60
1981/04/12	269.60
1981/04/13	293.00
1981/04/14	232.00
1981/04/15	150.20
1981/04/16	244.00
1981/04/17	347.60
1981/04/18	369.20
1981/04/19	333.80
1981/04/20	276.00
1981/04/21	272.80
1981/04/22	313.40
1981/04/23	323.60
1981/04/24	282.80
1981/04/25	279.40
1981/04/26	323.60
1981/04/27	247.20
1981/04/28	205.60
1981/04/29	306.60
1981/04/30	358.40
1981/05/01	282.80
1981/05/02	229.00
1981/05/03	208.40
1981/05/04	244.00
1981/05/05	226.00
1981/05/06	266.40
1981/05/07	306.60
1981/05/08	296.40
1981/05/09	241.00
1981/05/10	256.80
1981/05/11	217.00
1981/05/12	177.60
1981/05/13	282.80
1981/05/14	306.60
1981/05/15	310.00
1981/05/16	241.00
1981/05/17	241.00
1981/05/18	214.00
1981/05/19	220.00
1981/05/20	303.20
1981/05/21	253.60
1981/05/22	306.60
1981/05/23	303.20
1981/05/24	286.20
1981/05/25	238.00
1981/05/26	200.00
1981/05/27	347.60
1981/05/28	473.60
1981/05/29	419.60
1981/05/30	380.00
1981/05/31	394.40
1981/06/01	279.40
1981/06/02	269.60
1981/06/03	323.60
1981/06/04	333.80
1981/06/05	310.00
1981/06/06	316.80
1981/06/07	376.40
1981/06/08	347.60
1981/06/09	344.00
1981/06/10	306.60
1981/06/11	306.60
1981/06/12	286.20
1981/06/13	293.00
1981/06/14	316.80
1981/06/15	269.60
1981/06/16	272.80
1981/06/17	232.00
1981/06/18	316.80
1981/06/19	330.40
1981/06/20	266.40
1981/06/21	226.00
1981/06/22	188.80
1981/06/23	122.40
1981/06/24	180.40
1981/06/25	194.40
1981/06/26	188.80
1981/06/27	177.60
1981/06/28	186.00
1981/06/29	150.20
1981/06/30	137.20
1981/07/01	169.20
1981/07/02	200.00
1981/07/03	105.60
1981/07/04	79.20
1981/07/05	139.80
1981/07/06	191.60
1981/07/07	108.00
1981/07/08	84.00
1981/07/09	79.20
1981/07/10	81.60
1981/07/11	137.20
1981/07/12	208.40
1981/07/13	220.00
1981/07/14	202.80
1981/07/15	226.00
1981/07/16	217.00
1981/07/17	200.00
1981/07/18	158.00
1981/07/19	122.40
1981/07/20	103.20
1981/07/21	96.00
1981/07/22	93.60
1981/07/23	93.60
1981/07/24	86.40
1981/07/25	91.20
1981/07/26	158.00
1981/07/27	235.00
1981/07/28	202.80
1981/07/29	205.60
1981/07/30	241.00
1981/07/31	272.80
1981/08/01	279.40
1981/08/02	299.80
1981/08/03	313.40
1981/08/04	320.20
1981/08/05	282.80
1981/08/06	256.80
1981/08/07	276.00
1981/08/08	250.40
1981/08/09	306.60
1981/08/10	303.20
1981/08/11	256.80
1981/08/12	241.00
1981/08/13	205.60
1981/08/14	229.00
1981/08/15	337.20
1981/08/16	296.40
1981/08/17	247.20
1981/08/18	256.80
1981/08/19	223.00
1981/08/20	214.00
1981/08/21	186.00
1981/08/22	158.00
1981/08/23	145.00
1981/08/24	152.80
1981/08/25	137.20
1981/08/26	127.20
1981/08/27	142.40
1981/08/28	155.40
1981/08/29	188.80
1981/08/30	191.60
1981/08/31	147.60
1981/09/01	112.80
1981/09/02	150.20
1981/09/03	155.40
1981/09/04	158.00
1981/09/05	183.20
1981/09/06	266.40
1981/09/07	260.00
1981/09/08	174.80
1981/09/09	211.20
1981/09/10	226.00
1981/09/11	256.80
1981/09/12	260.00
1981/09/13	238.00
1981/09/14	256.80
1981/09/15	223.00
1981/09/16	180.40
1981/09/17	180.40
1981/09/18	163.60
1981/09/19	142.40
1981/09/20	137.20
1981/09/21	177.60
1981/09/22	163.60
1981/09/23	147.60
1981/09/24	158.00
1981/09/25	163.60
1981/09/26	160.80
1981/09/27	166.40
1981/09/28	177.60
1981/09/29	127.20
1981/09/30	147.60
1981/10/01	180.40
1981/10/02	186.00
1981/10/03	183.20
1981/10/04	217.00
1981/10/05	250.40
1981/10/06	152.80
1981/10/07	152.80
1981/10/08	145.00
1981/10/09	142.40
1981/10/10	142.40
1981/10/11	142.40
1981/10/12	122.40
1981/10/13	122.40
1981/10/14	194.40
1981/10/15	200.00
1981/10/16	177.60
1981/10/17	163.60
1981/10/18	183.20
1981/10/19	166.40
1981/10/20	158.00
1981/10/21	279.40
1981/10/22	279.40
1981/10/23	260.00
1981/10/24	253.60
1981/10/25	226.00
1981/10/26	220.00
1981/10/27	163.60
1981/10/28	183.20
1981/10/29	226.00
1981/10/30	220.00
1981/10/31	253.60
1981/11/01	247.20
1981/11/02	241.00
1981/11/03	197.20
1981/11/04	241.00
1981/11/05	253.60
1981/11/06	269.60
1981/11/07	256.80
1981/11/08	660.00
1981/11/09	962.40
1981/11/10	556.40
1981/11/11	372.80
1981/11/12	289.60
1981/11/13	217.00
1981/11/14	208.40
1981/11/15	235.00
1981/11/16	235.00
1981/11/17	186.00
1981/11/18	358.40
1981/11/19	556.40
1981/11/20	426.80
1981/11/21	380.00
1981/11/22	376.40
1981/11/23	333.80
1981/11/24	272.80
1981/11/25	289.60
1981/11/26	276.00
1981/11/27	263.20
1981/11/28	289.60
1981/11/29	263.20
1981/11/30	200.00
1981/12/01	137.20
1981/12/02	183.20
1981/12/03	152.80
1981/12/04	147.60
1981/12/05	139.80
1981/12/06	127.20
1981/12/07	50.00
1981/12/08	38.00
1981/12/09	72.00
1981/12/10	103.20
1981/12/11	110.40
1981/12/12	100.80
1981/12/13	137.20
1981/12/14	150.20
1981/12/15	100.80
1981/12/16	122.40
1981/12/17	122.40
1981/12/18	129.60
1981/12/19	139.80
1981/12/20	145.00
1981/12/21	110.40
1981/12/22	52.00
1981/12/23	124.80
1981/12/24	60.00
1981/12/25	24.00
1981/12/26	14.00
1981/12/27	44.00
1981/12/28	160.80
1981/12/29	36.00
1981/12/30	56.00
1981/12/31	88.80
#===========================================
# Number of observations = 365 / 365
# Average = 207.14