1988/01/01	45.20
1988/01/02	43.90
1988/01/03	43.90
1988/01/04	42.60
1988/01/05	42.60
1988/01/06	42.60
1988/01/07	41.30
1988/01/08	41.30
1988/01/09	41.30
1988/01/10	41.30
1988/01/11	40.00
1988/01/12	40.00
1988/01/13	40.00
1988/01/14	40.00
1988/01/15	40.00
1988/01/16	40.00
1988/01/17	38.90
1988/01/18	38.90
1988/01/19	37.80
1988/01/20	37.80
1988/01/21	36.70
1988/01/22	36.70
1988/01/23	36.70
1988/01/24	35.60
1988/01/25	35.60
1988/01/26	35.60
1988/01/27	34.50
1988/01/28	34.50
1988/01/29	33.40
1988/01/30	33.40
1988/01/31	33.40
1988/02/01	33.40
1988/02/02	33.40
1988/02/03	32.30
1988/02/04	32.30
1988/02/05	31.20
1988/02/06	31.20
1988/02/07	30.10
1988/02/08	30.10
1988/02/09	30.10
1988/02/10	29.00
1988/02/11	29.00
1988/02/12	29.00
1988/02/13	29.00
1988/02/14	29.00
1988/02/15	29.00
1988/02/16	29.00
1988/02/17	29.00
1988/02/18	29.00
1988/02/19	29.00
1988/02/20	29.00
1988/02/21	34.50
1988/02/22	40.00
1988/02/23	34.50
1988/02/24	31.20
1988/02/25	29.00
1988/02/26	27.90
1988/02/27	26.80
1988/02/28	26.80
1988/02/29	25.70
1988/03/01	24.60
1988/03/02	23.50
1988/03/03	22.40
1988/03/04	22.40
1988/03/05	21.30
1988/03/06	20.20
1988/03/07	20.20
1988/03/08	22.40
1988/03/09	25.70
1988/03/10	25.70
1988/03/11	26.80
1988/03/12	25.70
1988/03/13	24.60
1988/03/14	23.50
1988/03/15	21.30
1988/03/16	20.20
1988/03/17	19.10
1988/03/18	18.00
1988/03/19	17.10
1988/03/20	17.10
1988/03/21	17.10
1988/03/22	16.20
1988/03/23	16.20
1988/03/24	15.30
1988/03/25	14.40
1988/03/26	13.50
1988/03/27	13.50
1988/03/28	13.50
1988/03/29	13.50
1988/03/30	13.50
1988/03/31	12.60
1988/04/01	12.60
1988/04/02	11.70
1988/04/03	11.70
1988/04/04	10.80
1988/04/05	10.80
1988/04/06	10.80
1988/04/07	10.80
1988/04/08	10.80
1988/04/09	10.80
1988/04/10	10.80
1988/04/11	10.80
1988/04/12	10.80
1988/04/13	10.80
1988/04/14	17.10
1988/04/15	72.30
1988/04/16	72.30
1988/04/17	46.40
1988/04/18	42.20
1988/04/19	34.00
1988/04/20	33.00
1988/04/21	35.00
1988/04/22	34.00
1988/04/23	31.00
1988/04/24	35.00
1988/04/25	54.80
1988/04/26	40.10
1988/04/27	37.00
1988/04/28	69.80
1988/04/29	102.50
1988/04/30	102.50
1988/05/01	126.50
1988/05/02	91.00
1988/05/03	66.20
1988/05/04	66.20
1988/05/05	71.00
1988/05/06	58.00
1988/05/07	93.80
1988/05/08	81.40
1988/05/09	68.60
1988/05/10	61.40
1988/05/11	62.60
1988/05/12	72.30
1988/05/13	52.70
1988/05/14	46.40
1988/05/15	61.40
1988/05/16	65.00
1988/05/17	120.50
1988/05/18	370.40
1988/05/19	308.50
1988/05/20	193.70
1988/05/21	144.60
1988/05/22	101.00
1988/05/23	80.10
1988/05/24	66.20
1988/05/25	56.90
1988/05/26	51.60
1988/05/27	48.50
1988/05/28	46.40
1988/05/29	55.80
1988/05/30	73.60
1988/05/31	63.80
1988/06/01	51.60
1988/06/02	78.80
1988/06/03	104.00
1988/06/04	149.40
1988/06/05	122.00
1988/06/06	308.50
1988/06/07	358.60
1988/06/08	190.30
1988/06/09	125.00
1988/06/10	104.00
1988/06/11	93.80
1988/06/12	82.70
1988/06/13	72.30
1988/06/14	67.40
1988/06/15	63.80
1988/06/16	89.60
1988/06/17	81.40
1988/06/18	80.10
1988/06/19	102.50
1988/06/20	126.50
1988/06/21	128.00
1988/06/22	137.00
1988/06/23	107.00
1988/06/24	86.80
1988/06/25	78.80
1988/06/26	68.60
1988/06/27	63.80
1988/06/28	60.20
1988/06/29	60.20
1988/06/30	80.10
1988/07/01	102.50
1988/07/02	92.40
1988/07/03	84.00
1988/07/04	84.00
1988/07/05	96.60
1988/07/06	556.00
1988/07/07	623.50
1988/07/08	553.80
1988/07/09	400.20
1988/07/10	283.80
1988/07/11	255.60
1988/07/12	268.60
1988/07/13	480.00
1988/07/14	396.00
1988/07/15	310.40
1988/07/16	250.20
1988/07/17	255.60
1988/07/18	352.70
1988/07/19	325.60
1988/07/20	257.40
1988/07/21	231.10
1988/07/22	255.60
1988/07/23	337.00
1988/07/24	318.00
1988/07/25	241.30
1988/07/26	192.00
1988/07/27	175.00
1988/07/28	167.00
1988/07/29	154.20
1988/07/30	202.20
1988/07/31	165.40
1988/08/01	176.70
1988/08/02	210.70
1988/08/03	237.90
1988/08/04	607.40
1988/08/05	708.70
1988/08/06	571.40
1988/08/07	480.00
1988/08/08	797.50
1988/08/09	830.00
1988/08/10	812.50
1988/08/11	940.00
1988/08/12	1017.50
1988/08/13	867.50
1988/08/14	760.60
1988/08/15	830.00
1988/08/16	947.50
1988/08/17	795.00
1988/08/18	706.40
1988/08/19	605.10
1988/08/20	512.00
1988/08/21	488.40
1988/08/22	482.10
1988/08/23	406.50
1988/08/24	348.80
1988/08/25	339.00
1988/08/26	333.20
1988/08/27	316.10
1988/08/28	308.50
1988/08/29	283.80
1988/08/30	323.70
1988/08/31	304.70
1988/09/01	333.20
1988/09/02	302.80
1988/09/03	259.20
1988/09/04	268.60
1988/09/05	314.20
1988/09/06	452.70
1988/09/07	435.90
1988/09/08	348.80
1988/09/09	278.10
1988/09/10	241.30
1988/09/11	268.60
1988/09/12	252.00
1988/09/13	215.80
1988/09/14	227.70
1988/09/15	244.80
1988/09/16	253.80
1988/09/17	227.70
1988/09/18	227.70
1988/09/19	200.50
1988/09/20	176.70
1988/09/21	160.60
1988/09/22	180.10
1988/09/23	155.80
1988/09/24	140.00
1988/09/25	131.00
1988/09/26	123.50
1988/09/27	117.50
1988/09/28	117.50
1988/09/29	119.00
1988/09/30	111.50
1988/10/01	107.00
1988/10/02	105.50
1988/10/03	163.80
1988/10/04	131.00
1988/10/05	120.50
1988/10/06	151.00
1988/10/07	138.50
1988/10/08	197.10
1988/10/09	170.20
1988/10/10	151.00
1988/10/11	131.00
1988/10/12	116.00
1988/10/13	111.50
1988/10/14	114.50
1988/10/15	197.10
1988/10/16	257.40
1988/10/17	188.60
1988/10/18	154.20
1988/10/19	244.80
1988/10/20	193.70
1988/10/21	154.20
1988/10/22	137.00
1988/10/23	123.50
1988/10/24	116.00
1988/10/25	111.50
1988/10/26	111.50
1988/10/27	104.00
1988/10/28	96.60
1988/10/29	92.40
1988/10/30	89.60
1988/10/31	85.40
1988/11/01	82.70
1988/11/02	82.70
1988/11/03	81.40
1988/11/04	96.60
1988/11/05	89.60
1988/11/06	82.70
1988/11/07	78.80
1988/11/08	76.20
1988/11/09	76.20
1988/11/10	74.90
1988/11/11	73.60
1988/11/12	71.00
1988/11/13	69.80
1988/11/14	68.60
1988/11/15	68.60
1988/11/16	68.60
1988/11/17	72.30
1988/11/18	80.10
1988/11/19	82.70
1988/11/20	80.10
1988/11/21	73.60
1988/11/22	69.80
1988/11/23	68.60
1988/11/24	67.40
1988/11/25	66.20
1988/11/26	65.00
1988/11/27	63.80
1988/11/28	62.60
1988/11/29	61.40
1988/11/30	60.20
1988/12/01	59.00
1988/12/02	58.00
1988/12/03	58.00
1988/12/04	55.80
1988/12/05	54.80
1988/12/06	54.80
1988/12/07	54.80
1988/12/08	53.70
1988/12/09	53.70
1988/12/10	52.70
1988/12/11	51.60
1988/12/12	50.60
1988/12/13	49.50
1988/12/14	48.50
1988/12/15	48.50
1988/12/16	47.50
1988/12/17	47.50
1988/12/18	46.40
1988/12/19	46.40
1988/12/20	45.40
1988/12/21	45.40
1988/12/22	44.30
1988/12/23	44.30
1988/12/24	44.30
1988/12/25	43.20
1988/12/26	43.20
1988/12/27	42.20
1988/12/28	42.20
1988/12/29	41.10
1988/12/30	41.10
1988/12/31	40.10
#===========================================
# Number of observations = 366 / 366
# Average = 138.61