1988/01/01	30.70
1988/01/02	29.10
1988/01/03	27.50
1988/01/04	26.00
1988/01/05	24.50
1988/01/06	23.00
1988/01/07	21.50
1988/01/08	20.75
1988/01/09	21.50
1988/01/10	24.50
1988/01/11	25.25
1988/01/12	25.25
1988/01/13	26.00
1988/01/14	25.25
1988/01/15	26.75
1988/01/16	13.10
1988/01/17	13.10
1988/01/18	11.30
1988/01/19	11.30
1988/01/20	9.50
1988/01/21	9.03
1988/01/22	8.09
1988/01/23	8.09
1988/01/24	9.03
1988/01/25	8.09
1988/01/26	7.62
1988/01/27	7.62
1988/01/28	6.21
1988/01/29	5.27
1988/01/30	5.27
1988/01/31	5.74
1988/02/01	6.68
1988/02/02	7.15
1988/02/03	7.15
1988/02/04	6.68
1988/02/05	6.68
1988/02/06	6.68
1988/02/07	5.74
1988/02/08	6.68
1988/02/09	7.15
1988/02/10	6.68
1988/02/11	6.21
1988/02/12	4.80
1988/02/13	3.89
1988/02/14	3.15
1988/02/15	3.89
1988/02/16	4.54
1988/02/17	4.67
1988/02/18	4.80
1988/02/19	4.67
1988/02/20	5.74
1988/02/21	5.27
1988/02/22	4.67
1988/02/23	4.54
1988/02/24	4.41
1988/02/25	4.41
1988/02/26	4.41
1988/02/27	4.28
1988/02/28	4.02
1988/02/29	3.38
1988/03/01	3.03
1988/03/02	2.92
1988/03/03	2.80
1988/03/04	3.15
1988/03/05	3.38
1988/03/06	3.50
1988/03/07	4.02
1988/03/08	4.67
1988/03/09	7.15
1988/03/10	8.09
1988/03/11	9.03
1988/03/12	12.20
1988/03/13	14.00
1988/03/14	14.00
1988/03/15	14.00
1988/03/16	13.10
1988/03/17	12.20
1988/03/18	12.20
1988/03/19	10.40
1988/03/20	8.56
1988/03/21	7.15
1988/03/22	6.68
1988/03/23	6.68
1988/03/24	6.68
1988/03/25	6.68
1988/03/26	6.21
1988/03/27	7.15
1988/03/28	7.62
1988/03/29	7.62
1988/03/30	8.09
1988/03/31	8.09
1988/04/01	8.20
1988/04/02	8.20
1988/04/03	7.75
1988/04/04	6.85
1988/04/05	4.75
1988/04/06	3.50
1988/04/07	2.70
1988/04/08	2.40
1988/04/09	2.20
1988/04/10	2.20
1988/04/11	2.50
1988/04/12	3.25
1988/04/13	3.25
1988/04/14	3.50
1988/04/15	5.00
1988/04/16	7.30
1988/04/17	12.70
1988/04/18	23.75
1988/04/19	20.90
1988/04/20	29.45
1988/04/21	38.00
1988/04/22	37.05
1988/04/23	33.25
1988/04/24	30.40
1988/04/25	29.45
1988/04/26	27.55
1988/04/27	25.65
1988/04/28	23.75
1988/04/29	25.65
1988/04/30	26.60
1988/05/01	31.35
1988/05/02	33.25
1988/05/03	32.30
1988/05/04	31.35
1988/05/05	31.35
1988/05/06	33.25
1988/05/07	107.00
1988/05/08	136.50
1988/05/09	88.25
1988/05/10	63.60
1988/05/11	47.45
1988/05/12	41.15
1988/05/13	34.20
1988/05/14	34.20
1988/05/15	42.20
1988/05/16	45.35
1988/05/17	46.40
1988/05/18	98.25
1988/05/19	161.55
1988/05/20	151.65
1988/05/21	116.80
1988/05/22	114.00
1988/05/23	100.75
1988/05/24	78.55
1988/05/25	68.20
1988/05/26	59.00
1988/05/27	52.70
1988/05/28	45.35
1988/05/29	38.00
1988/05/30	33.25
1988/05/31	26.60
1988/06/01	24.70
1988/06/02	23.75
1988/06/03	50.60
1988/06/04	139.50
1988/06/05	250.80
1988/06/06	339.70
1988/06/07	441.00
1988/06/08	532.21
1988/06/09	577.40
1988/06/10	571.21
1988/06/11	509.79
1988/06/12	427.90
1988/06/13	343.80
1988/06/14	282.50
1988/06/15	230.45
1988/06/16	184.70
1988/06/17	144.00
1988/06/18	112.60
1988/06/19	95.75
1988/06/20	104.50
1988/06/21	112.60
1988/06/22	105.75
1988/06/23	97.00
1988/06/24	78.55
1988/06/25	67.05
1988/06/26	60.15
1988/06/27	55.85
1988/06/28	56.90
1988/06/29	63.60
1988/06/30	75.10
1988/07/01	89.50
1988/07/02	78.55
1988/07/03	94.50
1988/07/04	98.25
1988/07/05	90.75
1988/07/06	78.55
1988/07/07	76.25
1988/07/08	78.55
1988/07/09	73.95
1988/07/10	62.45
1988/07/11	51.65
1988/07/12	53.75
1988/07/13	76.25
1988/07/14	181.35
1988/07/15	247.10
1988/07/16	256.35
1988/07/17	258.20
1988/07/18	263.75
1988/07/19	288.20
1988/07/20	286.30
1988/07/21	261.90
1988/07/22	234.15
1988/07/23	223.06
1988/07/24	208.75
1988/07/25	198.30
1988/07/26	173.10
1988/07/27	148.50
1988/07/28	130.80
1988/07/29	115.40
1988/07/30	103.25
1988/07/31	87.00
1988/08/01	87.00
1988/08/02	107.00
1988/08/03	123.80
1988/08/04	130.80
1988/08/05	123.80
1988/08/06	98.25
1988/08/07	83.25
1988/08/08	78.55
1988/08/09	73.95
1988/08/10	71.65
1988/08/11	73.95
1988/08/12	76.25
1988/08/13	71.65
1988/08/14	65.90
1988/08/15	70.50
1988/08/16	102.00
1988/08/17	171.45
1988/08/18	212.25
1988/08/19	230.45
1988/08/20	254.50
1988/08/21	261.90
1988/08/22	273.00
1988/08/23	256.35
1988/08/24	212.25
1988/08/25	186.40
1988/08/26	189.80
1988/08/27	241.55
1988/08/28	284.40
1988/08/29	311.51
1988/08/30	360.20
1988/08/31	352.00
1988/09/01	325.50
1988/09/02	301.75
1988/09/03	267.45
1988/09/04	250.80
1988/09/05	194.90
1988/09/06	174.75
1988/09/07	161.55
1988/09/08	164.85
1988/09/09	178.05
1988/09/10	176.40
1988/09/11	161.55
1988/09/12	164.85
1988/09/13	164.85
1988/09/14	166.50
1988/09/15	169.80
1988/09/16	207.00
1988/09/17	250.80
1988/09/18	265.60
1988/09/19	276.80
1988/09/20	290.10
1988/09/21	260.05
1988/09/22	223.06
1988/09/23	189.80
1988/09/24	156.60
1988/09/25	144.00
1988/09/26	130.80
1988/09/27	111.20
1988/09/28	98.25
1988/09/29	95.75
1988/09/30	104.50
1988/10/01	108.40
1988/10/02	116.80
1988/10/03	115.40
1988/10/04	109.80
1988/10/05	115.40
1988/10/06	111.20
1988/10/07	116.80
1988/10/08	112.60
1988/10/09	108.40
1988/10/10	119.60
1988/10/11	178.05
1988/10/12	193.20
1988/10/13	184.70
1988/10/14	258.20
1988/10/15	487.00
1988/10/16	629.00
1988/10/17	583.60
1988/10/18	482.00
1988/10/19	489.50
1988/10/20	615.80
1988/10/21	685.60
1988/10/22	632.50
1988/10/23	482.00
1988/10/24	378.80
1988/10/25	311.51
1988/10/26	260.05
1988/10/27	223.06
1988/10/28	191.50
1988/10/29	166.50
1988/10/30	147.00
1988/10/31	136.50
1988/11/01	118.20
1988/11/02	107.00
1988/11/03	104.50
1988/11/04	103.25
1988/11/05	100.75
1988/11/06	98.25
1988/11/07	94.50
1988/11/08	92.00
1988/11/09	93.25
1988/11/10	93.25
1988/11/11	89.50
1988/11/12	87.00
1988/11/13	87.00
1988/11/14	85.75
1988/11/15	85.75
1988/11/16	85.75
1988/11/17	103.25
1988/11/18	186.40
1988/11/19	307.60
1988/11/20	385.10
1988/11/21	337.65
1988/11/22	273.00
1988/11/23	228.60
1988/11/24	196.60
1988/11/25	171.45
1988/11/26	151.65
1988/11/27	135.00
1988/11/28	121.00
1988/11/29	114.00
1988/11/30	109.80
1988/12/01	105.75
1988/12/02	102.00
1988/12/03	100.75
1988/12/04	97.00
1988/12/05	90.75
1988/12/06	88.25
1988/12/07	83.25
1988/12/08	75.10
1988/12/09	70.50
1988/12/10	69.35
1988/12/11	68.20
1988/12/12	71.65
1988/12/13	71.65
1988/12/14	68.20
1988/12/15	64.75
1988/12/16	64.75
1988/12/17	60.15
1988/12/18	60.15
1988/12/19	60.15
1988/12/20	56.90
1988/12/21	56.90
1988/12/22	52.70
1988/12/23	53.75
1988/12/24	51.65
1988/12/25	47.45
1988/12/26	46.40
1988/12/27	44.30
1988/12/28	43.25
1988/12/29	39.05
1988/12/30	41.15
1988/12/31	39.05
#===========================================
# Number of observations = 366 / 366
# Average = 110.73