1988/01/01	12.90
1988/01/02	12.90
1988/01/03	12.90
1988/01/04	12.90
1988/01/05	12.30
1988/01/06	12.30
1988/01/07	12.30
1988/01/08	12.30
1988/01/09	12.30
1988/01/10	12.30
1988/01/11	12.30
1988/01/12	11.70
1988/01/13	11.70
1988/01/14	11.70
1988/01/15	11.70
1988/01/16	11.70
1988/01/17	11.10
1988/01/18	11.10
1988/01/19	11.10
1988/01/20	11.10
1988/01/21	11.10
1988/01/22	11.10
1988/01/23	11.10
1988/01/24	10.50
1988/01/25	10.50
1988/01/26	10.50
1988/01/27	10.50
1988/01/28	10.50
1988/01/29	10.05
1988/01/30	10.05
1988/01/31	10.05
1988/02/01	10.05
1988/02/02	10.05
1988/02/03	9.60
1988/02/04	9.60
1988/02/05	9.60
1988/02/06	9.60
1988/02/07	9.15
1988/02/08	9.15
1988/02/09	9.15
1988/02/10	8.70
1988/02/11	8.70
1988/02/12	8.70
1988/02/13	9.15
1988/02/14	9.60
1988/02/15	9.15
1988/02/16	8.70
1988/02/17	9.15
1988/02/18	9.15
1988/02/19	9.60
1988/02/20	11.10
1988/02/21	11.10
1988/02/22	9.60
1988/02/23	9.15
1988/02/24	9.15
1988/02/25	8.70
1988/02/26	8.70
1988/02/27	8.70
1988/02/28	8.25
1988/02/29	8.25
1988/03/01	8.25
1988/03/02	7.80
1988/03/03	7.80
1988/03/04	7.80
1988/03/05	7.80
1988/03/06	7.80
1988/03/07	7.80
1988/03/08	9.15
1988/03/09	8.70
1988/03/10	7.80
1988/03/11	7.35
1988/03/12	7.35
1988/03/13	7.35
1988/03/14	7.35
1988/03/15	6.90
1988/03/16	6.45
1988/03/17	6.45
1988/03/18	6.45
1988/03/19	6.45
1988/03/20	6.45
1988/03/21	6.45
1988/03/22	6.45
1988/03/23	6.00
1988/03/24	6.00
1988/03/25	6.00
1988/03/26	5.65
1988/03/27	5.65
1988/03/28	5.65
1988/03/29	5.65
1988/03/30	5.65
1988/03/31	5.65
1988/04/01	5.60
1988/04/02	5.60
1988/04/03	5.60
1988/04/04	5.60
1988/04/05	5.15
1988/04/06	5.15
1988/04/07	5.15
1988/04/08	5.15
1988/04/09	5.15
1988/04/10	5.15
1988/04/11	5.15
1988/04/12	5.15
1988/04/13	5.15
1988/04/14	11.70
1988/04/15	17.75
1988/04/16	19.65
1988/04/17	9.75
1988/04/18	7.80
1988/04/19	9.10
1988/04/20	12.35
1988/04/21	11.05
1988/04/22	7.80
1988/04/23	6.50
1988/04/24	15.85
1988/04/25	13.00
1988/04/26	10.40
1988/04/27	7.80
1988/04/28	30.10
1988/04/29	80.20
1988/04/30	25.35
1988/05/01	48.50
1988/05/02	23.45
1988/05/03	13.00
1988/05/04	20.60
1988/05/05	17.75
1988/05/06	21.55
1988/05/07	28.20
1988/05/08	25.35
1988/05/09	15.85
1988/05/10	24.40
1988/05/11	18.70
1988/05/12	21.55
1988/05/13	13.95
1988/05/14	21.55
1988/05/15	18.70
1988/05/16	30.10
1988/05/17	65.15
1988/05/18	83.50
1988/05/19	64.10
1988/05/20	65.15
1988/05/21	32.00
1988/05/22	23.45
1988/05/23	17.75
1988/05/24	13.95
1988/05/25	13.00
1988/05/26	11.70
1988/05/27	9.75
1988/05/28	15.85
1988/05/29	25.35
1988/05/30	16.80
1988/05/31	12.35
1988/06/01	10.40
1988/06/02	30.10
1988/06/03	45.50
1988/06/04	38.65
1988/06/05	56.75
1988/06/06	114.70
1988/06/07	66.20
1988/06/08	39.60
1988/06/09	32.00
1988/06/10	36.75
1988/06/11	28.20
1988/06/12	23.45
1988/06/13	19.65
1988/06/14	17.75
1988/06/15	48.50
1988/06/16	42.50
1988/06/17	35.80
1988/06/18	28.20
1988/06/19	72.50
1988/06/20	64.10
1988/06/21	62.00
1988/06/22	56.75
1988/06/23	35.80
1988/06/24	29.15
1988/06/25	30.10
1988/06/26	24.40
1988/06/27	22.50
1988/06/28	22.50
1988/06/29	30.10
1988/06/30	53.60
1988/07/01	44.50
1988/07/02	34.85
1988/07/03	43.50
1988/07/04	39.60
1988/07/05	216.00
1988/07/06	237.25
1988/07/07	184.20
1988/07/08	112.40
1988/07/09	100.00
1988/07/10	78.00
1988/07/11	85.70
1988/07/12	114.70
1988/07/13	155.40
1988/07/14	115.85
1988/07/15	86.80
1988/07/16	72.50
1988/07/17	73.60
1988/07/18	111.25
1988/07/19	89.00
1988/07/20	70.40
1988/07/21	89.00
1988/07/22	75.80
1988/07/23	107.80
1988/07/24	81.30
1988/07/25	72.50
1988/07/26	65.15
1988/07/27	59.90
1988/07/28	58.85
1988/07/29	54.65
1988/07/30	80.20
1988/07/31	70.40
1988/08/01	90.10
1988/08/02	83.50
1988/08/03	138.60
1988/08/04	145.80
1988/08/05	119.40
1988/08/06	103.30
1988/08/07	272.30
1988/08/08	264.50
1988/08/09	213.50
1988/08/10	331.05
1988/08/11	303.15
1988/08/12	278.85
1988/08/13	218.50
1988/08/14	258.00
1988/08/15	272.30
1988/08/16	288.30
1988/08/17	238.50
1988/08/18	216.00
1988/08/19	219.75
1988/08/20	162.60
1988/08/21	271.00
1988/08/22	177.00
1988/08/23	147.00
1988/08/24	125.40
1988/08/25	123.00
1988/08/26	104.40
1988/08/27	108.95
1988/08/28	93.40
1988/08/29	110.10
1988/08/30	100.00
1988/08/31	136.20
1988/09/01	132.60
1988/09/02	117.00
1988/09/03	102.20
1988/09/04	150.60
1988/09/05	142.20
1988/09/06	166.20
1988/09/07	142.20
1988/09/08	117.00
1988/09/09	104.40
1988/09/10	93.40
1988/09/11	105.50
1988/09/12	94.50
1988/09/13	84.60
1988/09/14	96.70
1988/09/15	94.50
1988/09/16	78.00
1988/09/17	75.80
1988/09/18	69.35
1988/09/19	65.15
1988/09/20	62.00
1988/09/21	60.95
1988/09/22	62.00
1988/09/23	57.80
1988/09/24	53.60
1988/09/25	50.50
1988/09/26	49.50
1988/09/27	48.50
1988/09/28	52.55
1988/09/29	48.50
1988/09/30	45.50
1988/10/01	42.50
1988/10/02	42.50
1988/10/03	41.50
1988/10/04	42.50
1988/10/05	51.50
1988/10/06	56.75
1988/10/07	58.85
1988/10/08	73.60
1988/10/09	54.65
1988/10/10	48.50
1988/10/11	44.50
1988/10/12	42.50
1988/10/13	41.50
1988/10/14	54.65
1988/10/15	112.40
1988/10/16	78.00
1988/10/17	55.70
1988/10/18	54.65
1988/10/19	104.40
1988/10/20	69.35
1988/10/21	59.90
1988/10/22	54.65
1988/10/23	50.50
1988/10/24	48.50
1988/10/25	49.50
1988/10/26	46.50
1988/10/27	43.50
1988/10/28	40.55
1988/10/29	39.60
1988/10/30	37.70
1988/10/31	36.75
1988/11/01	35.80
1988/11/02	35.80
1988/11/03	34.85
1988/11/04	43.50
1988/11/05	34.85
1988/11/06	32.95
1988/11/07	32.00
1988/11/08	32.00
1988/11/09	32.00
1988/11/10	31.05
1988/11/11	30.10
1988/11/12	29.15
1988/11/13	29.15
1988/11/14	28.20
1988/11/15	28.20
1988/11/16	28.20
1988/11/17	28.20
1988/11/18	32.00
1988/11/19	28.20
1988/11/20	27.25
1988/11/21	26.30
1988/11/22	25.35
1988/11/23	24.40
1988/11/24	24.40
1988/11/25	23.45
1988/11/26	23.45
1988/11/27	23.45
1988/11/28	22.50
1988/11/29	20.60
1988/11/30	20.60
1988/12/01	20.60
1988/12/02	20.60
1988/12/03	19.65
1988/12/04	19.65
1988/12/05	19.65
1988/12/06	19.65
1988/12/07	18.70
1988/12/08	18.70
1988/12/09	18.70
1988/12/10	18.70
1988/12/11	17.75
1988/12/12	17.75
1988/12/13	17.75
1988/12/14	17.75
1988/12/15	17.75
1988/12/16	16.80
1988/12/17	16.80
1988/12/18	16.80
1988/12/19	15.85
1988/12/20	15.85
1988/12/21	15.85
1988/12/22	15.85
1988/12/23	15.85
1988/12/24	14.90
1988/12/25	14.90
1988/12/26	14.90
1988/12/27	13.95
1988/12/28	13.95
1988/12/29	13.95
1988/12/30	13.00
1988/12/31	13.00
#===========================================
# Number of observations = 366 / 366
# Average = 47.94