1988/01/01	110.50
1988/01/02	16.80
1988/01/03	11.70
1988/01/04	11.70
1988/01/05	28.10
1988/01/06	57.90
1988/01/07	55.60
1988/01/08	53.30
1988/01/09	48.70
1988/01/10	51.00
1988/01/11	33.80
1988/01/12	86.80
1988/01/13	95.50
1988/01/14	92.50
1988/01/15	101.50
1988/01/16	110.50
1988/01/17	116.50
1988/01/18	26.20
1988/01/19	86.80
1988/01/20	98.50
1988/01/21	107.50
1988/01/22	107.50
1988/01/23	104.50
1988/01/24	107.50
1988/01/25	60.20
1988/01/26	113.50
1988/01/27	119.50
1988/01/28	125.70
1988/01/29	125.70
1988/01/30	128.80
1988/01/31	107.50
1988/02/01	46.40
1988/02/02	113.50
1988/02/03	107.50
1988/02/04	104.50
1988/02/05	107.50
1988/02/06	107.50
1988/02/07	101.50
1988/02/08	53.30
1988/02/09	104.50
1988/02/10	110.50
1988/02/11	107.50
1988/02/12	256.60
1988/02/13	215.30
1988/02/14	125.70
1988/02/15	55.60
1988/02/16	107.50
1988/02/17	78.70
1988/02/18	73.30
1988/02/19	101.50
1988/02/20	110.50
1988/02/21	89.50
1988/02/22	62.50
1988/02/23	192.20
1988/02/24	235.60
1988/02/25	252.40
1988/02/26	239.80
1988/02/27	239.80
1988/02/28	313.70
1988/02/29	291.40
1988/03/01	287.00
1988/03/02	260.80
1988/03/03	260.80
1988/03/04	248.20
1988/03/05	244.00
1988/03/06	244.00
1988/03/07	207.60
1988/03/08	332.50
1988/03/09	500.00
1988/03/10	516.20
1988/03/11	533.00
1988/03/12	485.00
1988/03/13	460.00
1988/03/14	405.00
1988/03/15	516.20
1988/03/16	527.40
1988/03/17	572.90
1988/03/18	505.00
1988/03/19	555.40
1988/03/20	460.00
1988/03/21	440.00
1988/03/22	527.40
1988/03/23	544.20
1988/03/24	555.40
1988/03/25	538.60
1988/03/26	538.60
1988/03/27	516.20
1988/03/28	425.00
1988/03/29	572.90
1988/03/30	549.80
1988/03/31	578.90
1988/04/01	536.20
1988/04/02	536.20
1988/04/03	515.40
1988/04/04	447.40
1988/04/05	557.00
1988/04/06	557.00
1988/04/07	584.00
1988/04/08	584.00
1988/04/09	546.60
1988/04/10	541.40
1988/04/11	423.40
1988/04/12	567.80
1988/04/13	481.00
1988/04/14	314.80
1988/04/15	471.40
1988/04/16	203.30
1988/04/17	255.40
1988/04/18	184.80
1988/04/19	331.20
1988/04/20	351.70
1988/04/21	428.20
1988/04/22	442.60
1988/04/23	400.00
1988/04/24	368.50
1988/04/25	294.30
1988/04/26	382.00
1988/04/27	331.20
1988/04/28	359.90
1988/04/29	359.90
1988/04/30	355.80
1988/05/01	290.20
1988/05/02	192.20
1988/05/03	247.80
1988/05/04	266.80
1988/05/05	255.40
1988/05/06	214.40
1988/05/07	255.40
1988/05/08	266.80
1988/05/09	177.40
1988/05/10	154.00
1988/05/11	166.80
1988/05/12	173.70
1988/05/13	144.40
1988/05/14	144.40
1988/05/15	129.00
1988/05/16	123.00
1988/05/17	141.20
1988/05/18	126.00
1988/05/19	111.00
1988/05/20	82.80
1988/05/21	91.20
1988/05/22	80.00
1988/05/23	71.20
1988/05/24	96.80
1988/05/25	94.00
1988/05/26	82.80
1988/05/27	62.40
1988/05/28	56.30
1988/05/29	49.50
1988/05/30	39.40
1988/05/31	29.80
1988/06/01	26.60
1988/06/02	39.40
1988/06/03	75.60
1988/06/04	99.60
1988/06/05	62.40
1988/06/06	56.30
1988/06/07	214.40
1988/06/08	314.80
1988/06/09	347.60
1988/06/10	347.60
1988/06/11	377.50
1988/06/12	339.40
1988/06/13	294.30
1988/06/14	266.80
1988/06/15	232.90
1988/06/16	199.60
1988/06/17	160.40
1988/06/18	126.00
1988/06/19	99.60
1988/06/20	82.80
1988/06/21	71.20
1988/06/22	66.80
1988/06/23	58.00
1988/06/24	73.40
1988/06/25	71.20
1988/06/26	62.40
1988/06/27	58.00
1988/06/28	56.30
1988/06/29	52.90
1988/06/30	82.80
1988/07/01	102.40
1988/07/02	105.20
1988/07/03	85.60
1988/07/04	66.80
1988/07/05	154.00
1988/07/06	69.00
1988/07/07	154.00
1988/07/08	173.70
1988/07/09	154.00
1988/07/10	111.00
1988/07/11	85.60
1988/07/12	129.00
1988/07/13	138.00
1988/07/14	135.00
1988/07/15	120.00
1988/07/16	105.20
1988/07/17	85.60
1988/07/18	105.20
1988/07/19	188.50
1988/07/20	229.20
1988/07/21	247.80
1988/07/22	255.40
1988/07/23	244.00
1988/07/24	236.60
1988/07/25	192.20
1988/07/26	181.10
1988/07/27	177.40
1988/07/28	150.80
1988/07/29	129.00
1988/07/30	105.20
1988/07/31	96.80
1988/08/01	77.80
1988/08/02	69.00
1988/08/03	60.20
1988/08/04	54.60
1988/08/05	49.50
1988/08/06	47.80
1988/08/07	49.50
1988/08/08	47.80
1988/08/09	47.80
1988/08/10	47.80
1988/08/11	44.40
1988/08/12	37.80
1988/08/13	29.80
1988/08/14	25.00
1988/08/15	25.00
1988/08/16	29.80
1988/08/17	42.70
1988/08/18	42.70
1988/08/19	42.70
1988/08/20	46.10
1988/08/21	47.80
1988/08/22	47.80
1988/08/23	75.60
1988/08/24	170.00
1988/08/25	199.60
1988/08/26	184.80
1988/08/27	150.80
1988/08/28	117.00
1988/08/29	91.20
1988/08/30	75.60
1988/08/31	77.80
1988/09/01	85.60
1988/09/02	99.60
1988/09/03	111.00
1988/09/04	126.00
1988/09/05	129.00
1988/09/06	144.40
1988/09/07	154.00
1988/09/08	147.60
1988/09/09	135.00
1988/09/10	105.20
1988/09/11	111.00
1988/09/12	88.40
1988/09/13	85.60
1988/09/14	69.00
1988/09/15	56.30
1988/09/16	94.00
1988/09/17	91.20
1988/09/18	77.80
1988/09/19	132.00
1988/09/20	263.00
1988/09/21	170.00
1988/09/22	123.00
1988/09/23	99.60
1988/09/24	91.20
1988/09/25	75.60
1988/09/26	62.40
1988/09/27	52.90
1988/09/28	47.80
1988/09/29	54.60
1988/09/30	77.80
1988/10/01	88.40
1988/10/02	77.80
1988/10/03	75.60
1988/10/04	73.40
1988/10/05	66.80
1988/10/06	62.40
1988/10/07	58.00
1988/10/08	58.00
1988/10/09	85.60
1988/10/10	114.00
1988/10/11	135.00
1988/10/12	141.20
1988/10/13	244.00
1988/10/14	386.50
1988/10/15	400.00
1988/10/16	413.80
1988/10/17	413.80
1988/10/18	802.60
1988/10/19	1292.00
1988/10/20	1037.00
1988/10/21	829.00
1988/10/22	688.60
1988/10/23	520.60
1988/10/24	391.00
1988/10/25	335.30
1988/10/26	294.30
1988/10/27	236.60
1988/10/28	199.60
1988/10/29	166.80
1988/10/30	138.00
1988/10/31	111.00
1988/11/01	96.80
1988/11/02	82.80
1988/11/03	75.60
1988/11/04	69.00
1988/11/05	64.60
1988/11/06	58.00
1988/11/07	52.90
1988/11/08	51.20
1988/11/09	51.20
1988/11/10	46.10
1988/11/11	42.70
1988/11/12	41.00
1988/11/13	36.20
1988/11/14	33.00
1988/11/15	29.80
1988/11/16	29.80
1988/11/17	33.00
1988/11/18	39.40
1988/11/19	41.00
1988/11/20	41.00
1988/11/21	42.70
1988/11/22	49.50
1988/11/23	58.00
1988/11/24	114.00
1988/11/25	71.20
1988/11/26	52.90
1988/11/27	52.90
1988/11/28	42.70
1988/11/29	34.60
1988/11/30	31.40
1988/12/01	29.80
1988/12/02	28.20
1988/12/03	28.20
1988/12/04	28.20
1988/12/05	26.60
1988/12/06	25.00
1988/12/07	23.90
1988/12/08	23.90
1988/12/09	25.00
1988/12/10	25.00
1988/12/11	22.80
1988/12/12	22.80
1988/12/13	21.70
1988/12/14	19.50
1988/12/15	19.50
1988/12/16	19.50
1988/12/17	19.50
1988/12/18	18.40
1988/12/19	15.10
1988/12/20	14.00
1988/12/21	20.60
1988/12/22	69.00
1988/12/23	42.70
1988/12/24	154.00
1988/12/25	69.00
1988/12/26	56.30
1988/12/27	94.00
1988/12/28	114.00
1988/12/29	114.00
1988/12/30	166.80
1988/12/31	343.50
#===========================================
# Number of observations = 366 / 366
# Average = 177.85