1988/01/01	42.80
1988/01/02	46.00
1988/01/03	38.00
1988/01/04	46.00
1988/01/05	56.50
1988/01/06	73.60
1988/01/07	95.60
1988/01/08	95.60
1988/01/09	93.40
1988/01/10	93.40
1988/01/11	91.20
1988/01/12	48.10
1988/01/13	113.40
1988/01/14	115.80
1988/01/15	111.00
1988/01/16	123.00
1988/01/17	127.80
1988/01/18	135.00
1988/01/19	82.40
1988/01/20	104.40
1988/01/21	120.60
1988/01/22	118.20
1988/01/23	123.00
1988/01/24	95.60
1988/01/25	100.00
1988/01/26	67.00
1988/01/27	100.00
1988/01/28	108.80
1988/01/29	115.80
1988/01/30	118.20
1988/01/31	113.40
1988/02/01	111.00
1988/02/02	67.00
1988/02/03	115.80
1988/02/04	113.40
1988/02/05	111.00
1988/02/06	118.20
1988/02/07	115.80
1988/02/08	104.40
1988/02/09	69.20
1988/02/10	104.40
1988/02/11	106.60
1988/02/12	106.60
1988/02/13	224.60
1988/02/14	188.45
1988/02/15	135.00
1988/02/16	84.60
1988/02/17	111.00
1988/02/18	100.00
1988/02/19	95.60
1988/02/20	115.80
1988/02/21	125.40
1988/02/22	115.80
1988/02/23	91.20
1988/02/24	188.45
1988/02/25	227.80
1988/02/26	240.60
1988/02/27	237.40
1988/02/28	234.20
1988/02/29	263.00
1988/03/01	285.60
1988/03/02	259.80
1988/03/03	243.80
1988/03/04	247.00
1988/03/05	243.80
1988/03/06	240.60
1988/03/07	224.60
1988/03/08	240.60
1988/03/09	367.60
1988/03/10	447.30
1988/03/11	459.00
1988/03/12	475.40
1988/03/13	439.50
1988/03/14	371.20
1988/03/15	385.80
1988/03/16	443.40
1988/03/17	447.30
1988/03/18	475.40
1988/03/19	420.00
1988/03/20	467.20
1988/03/21	364.00
1988/03/22	404.80
1988/03/23	401.00
1988/03/24	443.40
1988/03/25	443.40
1988/03/26	435.60
1988/03/27	439.50
1988/03/28	374.80
1988/03/29	393.40
1988/03/30	439.50
1988/03/31	427.80
1988/04/01	463.60
1988/04/02	463.60
1988/04/03	463.60
1988/04/04	455.20
1988/04/05	382.00
1988/04/06	402.00
1988/04/07	463.60
1988/04/08	414.00
1988/04/09	406.00
1988/04/10	476.40
1988/04/11	394.00
1988/04/12	406.00
1988/04/13	494.00
1988/04/14	310.00
1988/04/15	289.00
1988/04/16	334.00
1988/04/17	139.60
1988/04/18	185.20
1988/04/19	173.20
1988/04/20	289.00
1988/04/21	322.00
1988/04/22	382.00
1988/04/23	386.00
1988/04/24	322.00
1988/04/25	334.00
1988/04/26	289.00
1988/04/27	358.00
1988/04/28	299.50
1988/04/29	338.00
1988/04/30	314.00
1988/05/01	303.00
1988/05/02	248.60
1988/05/03	158.70
1988/05/04	210.00
1988/05/05	216.40
1988/05/06	210.00
1988/05/07	176.10
1988/05/08	216.40
1988/05/09	226.00
1988/05/10	161.60
1988/05/11	147.40
1988/05/12	161.60
1988/05/13	158.70
1988/05/14	137.00
1988/05/15	144.80
1988/05/16	147.40
1988/05/17	147.40
1988/05/18	152.90
1988/05/19	139.60
1988/05/20	121.50
1988/05/21	111.50
1988/05/22	142.20
1988/05/23	134.40
1988/05/24	124.00
1988/05/25	129.20
1988/05/26	121.50
1988/05/27	116.50
1988/05/28	111.50
1988/05/29	111.50
1988/05/30	106.50
1988/05/31	106.50
1988/06/01	106.50
1988/06/02	101.50
1988/06/03	101.50
1988/06/04	101.50
1988/06/05	111.50
1988/06/06	111.50
1988/06/07	179.00
1988/06/08	390.00
1988/06/09	418.00
1988/06/10	418.00
1988/06/11	410.00
1988/06/12	414.00
1988/06/13	354.00
1988/06/14	292.50
1988/06/15	258.50
1988/06/16	206.90
1988/06/17	176.10
1988/06/18	147.40
1988/06/19	119.00
1988/06/20	101.50
1988/06/21	90.20
1988/06/22	92.40
1988/06/23	99.00
1988/06/24	90.20
1988/06/25	83.60
1988/06/26	83.60
1988/06/27	79.20
1988/06/28	77.00
1988/06/29	79.20
1988/06/30	79.20
1988/07/01	81.40
1988/07/02	90.20
1988/07/03	101.50
1988/07/04	94.60
1988/07/05	92.40
1988/07/06	164.50
1988/07/07	114.00
1988/07/08	161.60
1988/07/09	170.30
1988/07/10	139.60
1988/07/11	109.00
1988/07/12	99.00
1988/07/13	134.40
1988/07/14	158.70
1988/07/15	170.30
1988/07/16	161.60
1988/07/17	150.00
1988/07/18	150.00
1988/07/19	182.10
1988/07/20	232.40
1988/07/21	275.00
1988/07/22	314.00
1988/07/23	322.00
1988/07/24	289.00
1988/07/25	271.70
1988/07/26	203.80
1988/07/27	185.20
1988/07/28	173.20
1988/07/29	150.00
1988/07/30	129.20
1988/07/31	104.00
1988/08/01	101.50
1988/08/02	94.60
1988/08/03	88.00
1988/08/04	88.00
1988/08/05	88.00
1988/08/06	88.00
1988/08/07	85.80
1988/08/08	83.60
1988/08/09	83.60
1988/08/10	83.60
1988/08/11	92.40
1988/08/12	88.00
1988/08/13	90.20
1988/08/14	85.80
1988/08/15	85.80
1988/08/16	83.60
1988/08/17	83.60
1988/08/18	88.00
1988/08/19	92.40
1988/08/20	96.80
1988/08/21	106.50
1988/08/22	99.00
1988/08/23	94.60
1988/08/24	106.50
1988/08/25	200.70
1988/08/26	261.80
1988/08/27	258.50
1988/08/28	219.60
1988/08/29	191.40
1988/08/30	179.00
1988/08/31	179.00
1988/09/01	191.40
1988/09/02	203.80
1988/09/03	197.60
1988/09/04	179.00
1988/09/05	179.00
1988/09/06	176.10
1988/09/07	185.20
1988/09/08	194.50
1988/09/09	194.50
1988/09/10	173.20
1988/09/11	139.60
1988/09/12	139.60
1988/09/13	124.00
1988/09/14	121.50
1988/09/15	109.00
1988/09/16	116.50
1988/09/17	182.10
1988/09/18	210.00
1988/09/19	248.60
1988/09/20	771.50
1988/09/21	810.00
1988/09/22	467.80
1988/09/23	314.00
1988/09/24	235.60
1988/09/25	191.40
1988/09/26	152.90
1988/09/27	124.00
1988/09/28	104.00
1988/09/29	92.40
1988/09/30	96.80
1988/10/01	144.80
1988/10/02	142.20
1988/10/03	142.20
1988/10/04	142.20
1988/10/05	134.40
1988/10/06	116.50
1988/10/07	111.50
1988/10/08	111.50
1988/10/09	116.50
1988/10/10	194.50
1988/10/11	248.60
1988/10/12	258.50
1988/10/13	306.50
1988/10/14	657.00
1988/10/15	614.40
1988/10/16	672.00
1988/10/17	623.80
1988/10/18	936.00
1988/10/19	2076.00
1988/10/20	2332.70
1988/10/21	1761.80
1988/10/22	1293.00
1988/10/23	966.00
1988/10/24	712.60
1988/10/25	551.20
1988/10/26	476.40
1988/10/27	390.00
1988/10/28	306.50
1988/10/29	268.40
1988/10/30	232.40
1988/10/31	197.60
1988/11/01	170.30
1988/11/02	147.40
1988/11/03	131.80
1988/11/04	119.00
1988/11/05	106.50
1988/11/06	90.20
1988/11/07	77.00
1988/11/08	71.00
1988/11/09	69.00
1988/11/10	65.00
1988/11/11	57.00
1988/11/12	48.50
1988/11/13	45.10
1988/11/14	45.10
1988/11/15	41.70
1988/11/16	40.00
1988/11/17	38.50
1988/11/18	40.00
1988/11/19	45.10
1988/11/20	46.80
1988/11/21	45.10
1988/11/22	45.10
1988/11/23	45.10
1988/11/24	48.50
1988/11/25	50.20
1988/11/26	85.80
1988/11/27	57.00
1988/11/28	48.50
1988/11/29	48.50
1988/11/30	45.10
1988/12/01	38.50
1988/12/02	34.00
1988/12/03	34.00
1988/12/04	32.50
1988/12/05	32.50
1988/12/06	32.50
1988/12/07	29.50
1988/12/08	29.50
1988/12/09	28.00
1988/12/10	28.00
1988/12/11	28.00
1988/12/12	28.00
1988/12/13	28.00
1988/12/14	28.00
1988/12/15	28.00
1988/12/16	26.50
1988/12/17	26.50
1988/12/18	26.50
1988/12/19	26.50
1988/12/20	23.80
1988/12/21	23.80
1988/12/22	23.80
1988/12/23	46.80
1988/12/24	34.00
1988/12/25	106.50
1988/12/26	38.50
1988/12/27	26.50
1988/12/28	50.20
1988/12/29	69.00
1988/12/30	79.20
1988/12/31	126.60
#===========================================
# Number of observations = 366 / 366
# Average = 206.67