1988/01/01	32.60
1988/01/02	32.60
1988/01/03	31.20
1988/01/04	31.20
1988/01/05	29.90
1988/01/06	29.90
1988/01/07	29.90
1988/01/08	28.60
1988/01/09	28.60
1988/01/10	27.20
1988/01/11	27.20
1988/01/12	27.20
1988/01/13	27.20
1988/01/14	27.20
1988/01/15	25.90
1988/01/16	25.90
1988/01/17	24.50
1988/01/18	24.50
1988/01/19	24.50
1988/01/20	23.10
1988/01/21	23.10
1988/01/22	23.10
1988/01/23	23.10
1988/01/24	23.10
1988/01/25	23.10
1988/01/26	23.10
1988/01/27	23.10
1988/01/28	21.80
1988/01/29	21.80
1988/01/30	21.80
1988/01/31	21.80
1988/02/01	21.80
1988/02/02	21.80
1988/02/03	20.50
1988/02/04	20.50
1988/02/05	20.50
1988/02/06	19.10
1988/02/07	17.80
1988/02/08	17.80
1988/02/09	17.80
1988/02/10	16.40
1988/02/11	16.40
1988/02/12	16.40
1988/02/13	16.40
1988/02/14	16.40
1988/02/15	16.40
1988/02/16	16.40
1988/02/17	15.00
1988/02/18	15.00
1988/02/19	16.40
1988/02/20	17.80
1988/02/21	21.80
1988/02/22	25.90
1988/02/23	20.50
1988/02/24	17.80
1988/02/25	17.80
1988/02/26	16.40
1988/02/27	16.40
1988/02/28	15.00
1988/02/29	15.00
1988/03/01	15.00
1988/03/02	13.70
1988/03/03	13.70
1988/03/04	13.70
1988/03/05	12.30
1988/03/06	11.00
1988/03/07	11.00
1988/03/08	11.00
1988/03/09	15.00
1988/03/10	15.00
1988/03/11	15.00
1988/03/12	15.00
1988/03/13	12.30
1988/03/14	11.00
1988/03/15	9.90
1988/03/16	8.80
1988/03/17	7.70
1988/03/18	7.70
1988/03/19	7.70
1988/03/20	7.70
1988/03/21	6.60
1988/03/22	6.60
1988/03/23	6.60
1988/03/24	5.50
1988/03/25	5.50
1988/03/26	4.40
1988/03/27	4.40
1988/03/28	4.40
1988/03/29	4.40
1988/03/30	4.40
1988/03/31	4.40
1988/04/01	12.60
1988/04/02	11.30
1988/04/03	11.30
1988/04/04	11.30
1988/04/05	10.00
1988/04/06	10.00
1988/04/07	11.30
1988/04/08	11.30
1988/04/09	10.00
1988/04/10	10.00
1988/04/11	10.00
1988/04/12	10.00
1988/04/13	10.00
1988/04/14	19.10
1988/04/15	99.20
1988/04/16	74.50
1988/04/17	41.70
1988/04/18	33.20
1988/04/19	26.40
1988/04/20	26.40
1988/04/21	31.50
1988/04/22	29.80
1988/04/23	28.10
1988/04/24	31.50
1988/04/25	46.80
1988/04/26	36.60
1988/04/27	36.60
1988/04/28	58.75
1988/04/29	110.00
1988/04/30	129.95
1988/05/01	153.35
1988/05/02	92.00
1988/05/03	71.00
1988/05/04	71.00
1988/05/05	64.00
1988/05/06	60.50
1988/05/07	78.00
1988/05/08	86.75
1988/05/09	71.00
1988/05/10	64.00
1988/05/11	62.25
1988/05/12	64.00
1988/05/13	53.60
1988/05/14	51.90
1988/05/15	53.60
1988/05/16	67.50
1988/05/17	129.95
1988/05/18	319.85
1988/05/19	267.00
1988/05/20	201.85
1988/05/21	143.60
1988/05/22	102.80
1988/05/23	81.50
1988/05/24	67.50
1988/05/25	60.50
1988/05/26	51.90
1988/05/27	48.50
1988/05/28	51.90
1988/05/29	69.25
1988/05/30	85.00
1988/05/31	67.50
1988/06/01	55.30
1988/06/02	78.00
1988/06/03	110.00
1988/06/04	133.85
1988/06/05	117.20
1988/06/06	294.50
1988/06/07	345.35
1988/06/08	181.35
1988/06/09	124.40
1988/06/10	110.00
1988/06/11	99.20
1988/06/12	88.50
1988/06/13	74.50
1988/06/14	72.75
1988/06/15	78.00
1988/06/16	101.00
1988/06/17	90.25
1988/06/18	90.25
1988/06/19	119.00
1988/06/20	131.90
1988/06/21	161.15
1988/06/22	145.55
1988/06/23	113.60
1988/06/24	95.60
1988/06/25	86.75
1988/06/26	74.50
1988/06/27	71.00
1988/06/28	69.25
1988/06/29	69.25
1988/06/30	106.40
1988/07/01	115.40
1988/07/02	104.60
1988/07/03	95.60
1988/07/04	99.20
1988/07/05	104.60
1988/07/06	654.40
1988/07/07	721.75
1988/07/08	616.50
1988/07/09	412.80
1988/07/10	299.50
1988/07/11	272.00
1988/07/12	304.55
1988/07/13	551.45
1988/07/14	382.70
1988/07/15	302.00
1988/07/16	234.40
1988/07/17	249.80
1988/07/18	330.05
1988/07/19	319.85
1988/07/20	247.60
1988/07/21	234.40
1988/07/22	264.50
1988/07/23	353.00
1988/07/24	317.30
1988/07/25	241.00
1988/07/26	197.75
1988/07/27	187.50
1988/07/28	177.25
1988/07/29	161.15
1988/07/30	221.20
1988/07/31	173.15
1988/08/01	191.60
1988/08/02	219.00
1988/08/03	238.80
1988/08/04	613.35
1988/08/05	832.25
1988/08/06	607.05
1988/08/07	500.40
1988/08/08	999.15
1988/08/09	1051.80
1988/08/10	999.15
1988/08/11	1254.50
1988/08/12	1445.50
1988/08/13	1097.40
1988/08/14	884.00
1988/08/15	983.25
1988/08/16	1287.75
1988/08/17	968.25
1988/08/18	816.00
1988/08/19	654.40
1988/08/20	542.30
1988/08/21	518.10
1988/08/22	500.40
1988/08/23	409.90
1988/08/24	350.45
1988/08/25	342.80
1988/08/26	309.65
1988/08/27	302.00
1988/08/28	292.00
1988/08/29	282.00
1988/08/30	317.30
1988/08/31	299.50
1988/09/01	322.40
1988/09/02	272.00
1988/09/03	257.00
1988/09/04	262.00
1988/09/05	307.10
1988/09/06	459.20
1988/09/07	456.30
1988/09/08	335.15
1988/09/09	264.50
1988/09/10	234.40
1988/09/11	279.50
1988/09/12	241.00
1988/09/13	210.20
1988/09/14	236.60
1988/09/15	234.40
1988/09/16	219.00
1988/09/17	212.40
1988/09/18	214.60
1988/09/19	193.65
1988/09/20	171.10
1988/09/21	161.15
1988/09/22	175.20
1988/09/23	155.30
1988/09/24	135.80
1988/09/25	135.80
1988/09/26	126.20
1988/09/27	122.60
1988/09/28	119.00
1988/09/29	117.20
1988/09/30	115.40
1988/10/01	113.60
1988/10/02	111.80
1988/10/03	159.20
1988/10/04	128.00
1988/10/05	119.00
1988/10/06	151.40
1988/10/07	141.65
1988/10/08	201.85
1988/10/09	175.20
1988/10/10	149.45
1988/10/11	133.85
1988/10/12	117.20
1988/10/13	113.60
1988/10/14	113.60
1988/10/15	187.50
1988/10/16	227.80
1988/10/17	169.05
1988/10/18	147.50
1988/10/19	216.80
1988/10/20	169.05
1988/10/21	147.50
1988/10/22	129.95
1988/10/23	117.20
1988/10/24	113.60
1988/10/25	111.80
1988/10/26	110.00
1988/10/27	104.60
1988/10/28	95.60
1988/10/29	93.80
1988/10/30	93.80
1988/10/31	90.25
1988/11/01	85.00
1988/11/02	83.25
1988/11/03	85.00
1988/11/04	102.80
1988/11/05	92.00
1988/11/06	86.75
1988/11/07	85.00
1988/11/08	83.25
1988/11/09	83.25
1988/11/10	83.25
1988/11/11	81.50
1988/11/12	81.50
1988/11/13	78.00
1988/11/14	74.50
1988/11/15	78.00
1988/11/16	78.00
1988/11/17	81.50
1988/11/18	90.25
1988/11/19	90.25
1988/11/20	88.50
1988/11/21	81.50
1988/11/22	78.00
1988/11/23	76.25
1988/11/24	74.50
1988/11/25	74.50
1988/11/26	72.75
1988/11/27	72.75
1988/11/28	71.00
1988/11/29	69.25
1988/11/30	67.50
1988/12/01	67.50
1988/12/02	67.50
1988/12/03	64.00
1988/12/04	64.00
1988/12/05	64.00
1988/12/06	64.00
1988/12/07	64.00
1988/12/08	62.25
1988/12/09	60.50
1988/12/10	60.50
1988/12/11	58.75
1988/12/12	57.00
1988/12/13	55.30
1988/12/14	55.30
1988/12/15	55.30
1988/12/16	55.30
1988/12/17	55.30
1988/12/18	53.60
1988/12/19	53.60
1988/12/20	53.60
1988/12/21	53.60
1988/12/22	53.60
1988/12/23	51.90
1988/12/24	50.20
1988/12/25	48.50
1988/12/26	46.80
1988/12/27	46.80
1988/12/28	45.10
1988/12/29	45.10
1988/12/30	45.10
1988/12/31	45.10
#===========================================
# Number of observations = 366 / 366
# Average = 145.45