1983/01/01	26.20
1983/01/02	25.40
1983/01/03	25.40
1983/01/04	25.40
1983/01/05	25.40
1983/01/06	25.40
1983/01/07	25.40
1983/01/08	24.60
1983/01/09	23.80
1983/01/10	23.80
1983/01/11	23.00
1983/01/12	23.00
1983/01/13	23.00
1983/01/14	22.20
1983/01/15	20.60
1983/01/16	20.60
1983/01/17	19.80
1983/01/18	19.00
1983/01/19	18.30
1983/01/20	17.60
1983/01/21	17.60
1983/01/22	21.40
1983/01/23	26.20
1983/01/24	23.80
1983/01/25	23.00
1983/01/26	21.40
1983/01/27	20.60
1983/01/28	19.80
1983/01/29	19.80
1983/01/30	19.00
1983/01/31	19.00
1983/02/01	19.00
1983/02/02	18.30
1983/02/03	17.60
1983/02/04	16.90
1983/02/05	16.20
1983/02/06	15.50
1983/02/07	14.80
1983/02/08	14.10
1983/02/09	13.40
1983/02/10	12.70
1983/02/11	12.70
1983/02/12	12.70
1983/02/13	12.70
1983/02/14	12.70
1983/02/15	12.00
1983/02/16	12.00
1983/02/17	11.40
1983/02/18	10.80
1983/02/19	10.20
1983/02/20	10.20
1983/02/21	10.20
1983/02/22	10.80
1983/02/23	10.80
1983/02/24	10.80
1983/02/25	10.80
1983/02/26	10.80
1983/02/27	10.80
1983/02/28	10.80
1983/03/01	10.20
1983/03/02	10.80
1983/03/03	10.20
1983/03/04	10.20
1983/03/05	9.00
1983/03/06	9.00
1983/03/07	9.00
1983/03/08	14.80
1983/03/09	12.70
1983/03/10	10.80
1983/03/11	10.20
1983/03/12	9.00
1983/03/13	8.40
1983/03/14	8.40
1983/03/15	7.80
1983/03/16	7.80
1983/03/17	7.80
1983/03/18	7.80
1983/03/19	7.80
1983/03/20	7.80
1983/03/21	8.40
1983/03/22	8.40
1983/03/23	8.40
1983/03/24	8.40
1983/03/25	8.40
1983/03/26	8.40
1983/03/27	8.40
1983/03/28	8.40
1983/03/29	8.40
1983/03/30	7.80
1983/03/31	7.20
1983/04/01	6.00
1983/04/02	6.00
1983/04/03	6.00
1983/04/04	5.50
1983/04/05	5.50
1983/04/06	5.00
1983/04/07	4.50
1983/04/08	4.50
1983/04/09	4.50
1983/04/10	4.50
1983/04/11	4.50
1983/04/12	4.50
1983/04/13	4.50
1983/04/14	4.50
1983/04/15	4.50
1983/04/16	4.50
1983/04/17	4.50
1983/04/18	4.50
1983/04/19	4.50
1983/04/20	5.50
1983/04/21	12.00
1983/04/22	14.00
1983/04/23	17.40
1983/04/24	14.00
1983/04/25	11.00
1983/04/26	9.00
1983/04/27	8.00
1983/04/28	8.00
1983/04/29	7.50
1983/04/30	7.00
1983/05/01	5.50
1983/05/02	12.50
1983/05/03	34.20
1983/05/04	35.40
1983/05/05	31.00
1983/05/06	33.00
1983/05/07	19.80
1983/05/08	23.00
1983/05/09	35.40
1983/05/10	55.40
1983/05/11	42.60
1983/05/12	22.20
1983/05/13	36.60
1983/05/14	35.40
1983/05/15	40.20
1983/05/16	22.20
1983/05/17	22.20
1983/05/18	19.00
1983/05/19	14.00
1983/05/20	12.50
1983/05/21	11.50
1983/05/22	11.00
1983/05/23	10.00
1983/05/24	10.50
1983/05/25	7.50
1983/05/26	6.50
1983/05/27	7.50
1983/05/28	10.50
1983/05/29	13.50
1983/05/30	40.20
1983/05/31	34.20
1983/06/01	31.00
1983/06/02	25.00
1983/06/03	17.40
1983/06/04	15.00
1983/06/05	15.00
1983/06/06	15.00
1983/06/07	15.80
1983/06/08	15.80
1983/06/09	17.40
1983/06/10	20.60
1983/06/11	23.00
1983/06/12	28.00
1983/06/13	37.80
1983/06/14	110.50
1983/06/15	42.60
1983/06/16	35.40
1983/06/17	25.00
1983/06/18	19.00
1983/06/19	16.60
1983/06/20	14.50
1983/06/21	13.50
1983/06/22	12.00
1983/06/23	13.00
1983/06/24	17.40
1983/06/25	22.20
1983/06/26	22.20
1983/06/27	21.40
1983/06/28	30.00
1983/06/29	161.90
1983/06/30	215.00
1983/07/01	107.50
1983/07/02	71.50
1983/07/03	51.50
1983/07/04	41.40
1983/07/05	34.20
1983/07/06	32.00
1983/07/07	29.00
1983/07/08	34.20
1983/07/09	24.00
1983/07/10	20.60
1983/07/11	19.80
1983/07/12	21.40
1983/07/13	25.00
1983/07/14	39.00
1983/07/15	37.80
1983/07/16	47.60
1983/07/17	130.00
1983/07/18	104.50
1983/07/19	125.50
1983/07/20	345.10
1983/07/21	251.00
1983/07/22	151.70
1983/07/23	247.00
1983/07/24	277.00
1983/07/25	225.00
1983/07/26	442.60
1983/07/27	541.50
1983/07/28	629.00
1983/07/29	447.40
1983/07/30	307.00
1983/07/31	277.00
1983/08/01	241.00
1983/08/02	379.60
1983/08/03	411.80
1983/08/04	435.40
1983/08/05	400.30
1983/08/06	356.60
1983/08/07	257.00
1983/08/08	265.00
1983/08/09	255.00
1983/08/10	243.00
1983/08/11	261.00
1983/08/12	239.00
1983/08/13	225.00
1983/08/14	184.10
1983/08/15	153.40
1983/08/16	134.70
1983/08/17	199.30
1983/08/18	285.00
1983/08/19	239.00
1983/08/20	279.00
1983/08/21	388.80
1983/08/22	544.00
1983/08/23	421.00
1983/08/24	313.60
1983/08/25	345.10
1983/08/26	584.00
1983/08/27	870.60
1983/08/28	754.40
1983/08/29	504.00
1983/08/30	388.80
1983/08/31	335.90
1983/09/01	285.00
1983/09/02	253.00
1983/09/03	243.00
1983/09/04	291.60
1983/09/05	296.00
1983/09/06	354.30
1983/09/07	411.80
1983/09/08	370.40
1983/09/09	300.40
1983/09/10	255.00
1983/09/11	233.00
1983/09/12	293.80
1983/09/13	354.30
1983/09/14	476.50
1983/09/15	418.70
1983/09/16	345.10
1983/09/17	379.60
1983/09/18	714.20
1983/09/19	639.00
1983/09/20	457.00
1983/09/21	423.40
1983/09/22	352.00
1983/09/23	304.80
1983/09/24	265.00
1983/09/25	239.00
1983/09/26	217.00
1983/09/27	195.50
1983/09/28	189.80
1983/09/29	199.30
1983/09/30	184.10
1983/10/01	160.20
1983/10/02	146.60
1983/10/03	182.20
1983/10/04	217.00
1983/10/05	459.40
1983/10/06	428.20
1983/10/07	452.20
1983/10/08	486.50
1983/10/09	437.80
1983/10/10	340.50
1983/10/11	281.00
1983/10/12	247.00
1983/10/13	221.00
1983/10/14	201.20
1983/10/15	184.10
1983/10/16	168.90
1983/10/17	167.00
1983/10/18	174.60
1983/10/19	163.60
1983/10/20	170.80
1983/10/21	151.70
1983/10/22	138.10
1983/10/23	130.00
1983/10/24	125.50
1983/10/25	119.50
1983/10/26	118.00
1983/10/27	106.00
1983/10/28	101.50
1983/10/29	104.50
1983/10/30	107.50
1983/10/31	98.50
1983/11/01	97.00
1983/11/02	101.50
1983/11/03	101.50
1983/11/04	101.50
1983/11/05	103.00
1983/11/06	103.00
1983/11/07	101.50
1983/11/08	100.00
1983/11/09	97.00
1983/11/10	85.00
1983/11/11	76.00
1983/11/12	74.50
1983/11/13	130.00
1983/11/14	150.00
1983/11/15	112.00
1983/11/16	98.50
1983/11/17	89.50
1983/11/18	83.50
1983/11/19	82.00
1983/11/20	76.00
1983/11/21	71.50
1983/11/22	71.50
1983/11/23	65.50
1983/11/24	59.50
1983/11/25	58.00
1983/11/26	56.70
1983/11/27	55.40
1983/11/28	55.40
1983/11/29	55.40
1983/11/30	54.10
1983/12/01	54.10
1983/12/02	52.80
1983/12/03	51.50
1983/12/04	51.50
1983/12/05	48.90
1983/12/06	45.00
1983/12/07	42.60
1983/12/08	40.20
1983/12/09	39.00
1983/12/10	37.80
1983/12/11	37.80
1983/12/12	36.60
1983/12/13	36.60
1983/12/14	35.40
1983/12/15	35.40
1983/12/16	34.20
1983/12/17	33.00
1983/12/18	32.00
1983/12/19	32.00
1983/12/20	32.00
1983/12/21	33.00
1983/12/22	36.60
1983/12/23	35.40
1983/12/24	34.20
1983/12/25	32.00
1983/12/26	32.00
1983/12/27	31.00
1983/12/28	31.00
1983/12/29	31.00
1983/12/30	41.40
1983/12/31	40.20
#===========================================
# Number of observations = 365 / 365
# Average = 108.60