1988/01/01	84.20
1988/01/02	77.00
1988/01/03	74.60
1988/01/04	72.20
1988/01/05	71.40
1988/01/06	69.80
1988/01/07	69.00
1988/01/08	68.20
1988/01/09	66.60
1988/01/10	65.00
1988/01/11	63.40
1988/01/12	61.00
1988/01/13	59.40
1988/01/14	57.80
1988/01/15	57.00
1988/01/16	56.20
1988/01/17	55.40
1988/01/18	55.40
1988/01/19	55.40
1988/01/20	55.40
1988/01/21	54.60
1988/01/22	54.60
1988/01/23	53.80
1988/01/24	53.80
1988/01/25	53.00
1988/01/26	53.00
1988/01/27	53.00
1988/01/28	53.80
1988/01/29	53.80
1988/01/30	53.80
1988/01/31	54.60
1988/02/01	54.60
1988/02/02	55.40
1988/02/03	56.20
1988/02/04	56.20
1988/02/05	55.40
1988/02/06	64.20
1988/02/07	69.80
1988/02/08	69.80
1988/02/09	69.00
1988/02/10	69.00
1988/02/11	69.00
1988/02/12	69.00
1988/02/13	68.20
1988/02/14	68.20
1988/02/15	68.20
1988/02/16	69.80
1988/02/17	71.40
1988/02/18	73.00
1988/02/19	72.20
1988/02/20	71.40
1988/02/21	69.80
1988/02/22	69.00
1988/02/23	67.40
1988/02/24	66.60
1988/02/25	67.40
1988/02/26	67.40
1988/02/27	68.20
1988/02/28	77.00
1988/02/29	88.00
1988/03/01	99.00
1988/03/02	108.00
1988/03/03	104.00
1988/03/04	96.00
1988/03/05	95.00
1988/03/06	95.00
1988/03/07	98.00
1988/03/08	100.00
1988/03/09	100.00
1988/03/10	100.00
1988/03/11	99.00
1988/03/12	99.00
1988/03/13	103.00
1988/03/14	102.00
1988/03/15	95.00
1988/03/16	91.00
1988/03/17	85.00
1988/03/18	84.20
1988/03/19	84.20
1988/03/20	85.00
1988/03/21	86.00
1988/03/22	88.00
1988/03/23	87.00
1988/03/24	79.40
1988/03/25	75.40
1988/03/26	73.80
1988/03/27	73.00
1988/03/28	73.00
1988/03/29	73.80
1988/03/30	70.60
1988/03/31	62.60
1988/04/01	46.80
1988/04/02	47.50
1988/04/03	49.60
1988/04/04	52.60
1988/04/05	57.40
1988/04/06	55.80
1988/04/07	49.60
1988/04/08	48.20
1988/04/09	50.30
1988/04/10	49.60
1988/04/11	47.50
1988/04/12	58.20
1988/04/13	76.00
1988/04/14	72.00
1988/04/15	68.00
1988/04/16	69.00
1988/04/17	62.60
1988/04/18	53.40
1988/04/19	48.90
1988/04/20	44.00
1988/04/21	43.40
1988/04/22	42.20
1988/04/23	42.20
1988/04/24	43.40
1988/04/25	55.00
1988/04/26	62.60
1988/04/27	57.40
1988/04/28	55.00
1988/04/29	56.60
1988/04/30	57.40
1988/05/01	53.40
1988/05/02	53.40
1988/05/03	55.80
1988/05/04	56.60
1988/05/05	54.20
1988/05/06	55.00
1988/05/07	59.00
1988/05/08	62.60
1988/05/09	70.00
1988/05/10	86.80
1988/05/11	118.20
1988/05/12	183.20
1988/05/13	122.10
1988/05/14	109.40
1988/05/15	96.20
1988/05/16	84.60
1988/05/17	79.10
1988/05/18	92.60
1988/05/19	187.40
1988/05/20	438.20
1988/05/21	580.20
1988/05/22	549.00
1988/05/23	507.10
1988/05/24	497.90
1988/05/25	440.40
1988/05/26	392.00
1988/05/27	352.00
1988/05/28	294.20
1988/05/29	287.00
1988/05/30	266.80
1988/05/31	209.50
1988/06/01	128.60
1988/06/02	108.20
1988/06/03	96.20
1988/06/04	74.00
1988/06/05	58.20
1988/06/06	51.80
1988/06/07	104.60
1988/06/08	276.80
1988/06/09	287.00
1988/06/10	590.00
1988/06/11	721.40
1988/06/12	747.80
1988/06/13	737.00
1988/06/14	729.20
1988/06/15	655.00
1988/06/16	640.00
1988/06/17	600.00
1988/06/18	563.40
1988/06/19	525.50
1988/06/20	502.50
1988/06/21	488.80
1988/06/22	436.00
1988/06/23	386.00
1988/06/24	322.10
1988/06/25	288.80
1988/06/26	252.40
1988/06/27	214.00
1988/06/28	184.60
1988/06/29	140.30
1988/06/30	114.30
1988/07/01	99.80
1988/07/02	87.90
1988/07/03	79.10
1988/07/04	75.00
1988/07/05	86.80
1988/07/06	102.20
1988/07/07	123.40
1988/07/08	135.10
1988/07/09	179.00
1988/07/10	193.00
1988/07/11	260.40
1988/07/12	227.50
1988/07/13	196.00
1988/07/14	154.60
1988/07/15	163.70
1988/07/16	101.00
1988/07/17	114.30
1988/07/18	194.50
1988/07/19	292.40
1988/07/20	390.00
1988/07/21	541.80
1988/07/22	721.40
1988/07/23	775.60
1988/07/24	755.90
1988/07/25	734.40
1988/07/26	667.50
1988/07/27	602.50
1988/07/28	525.50
1988/07/29	368.00
1988/07/30	384.00
1988/07/31	328.00
1988/08/01	265.20
1988/08/02	205.00
1988/08/03	214.00
1988/08/04	270.00
1988/08/05	170.60
1988/08/06	109.40
1988/08/07	128.60
1988/08/08	166.40
1988/08/09	154.60
1988/08/10	139.00
1988/08/11	169.20
1988/08/12	224.50
1988/08/13	287.00
1988/08/14	303.20
1988/08/15	296.00
1988/08/16	266.80
1988/08/17	229.00
1988/08/18	223.00
1988/08/19	233.50
1988/08/20	258.80
1988/08/21	303.20
1988/08/22	324.00
1988/08/23	310.70
1988/08/24	348.00
1988/08/25	276.80
1988/08/26	283.60
1988/08/27	370.00
1988/08/28	368.00
1988/08/29	392.00
1988/08/30	384.00
1988/08/31	422.90
1988/09/01	484.40
1988/09/02	602.50
1988/09/03	667.50
1988/09/04	716.20
1988/09/05	729.20
1988/09/06	657.50
1988/09/07	582.60
1988/09/08	464.60
1988/09/09	301.40
1988/09/10	236.50
1988/09/11	193.00
1988/09/12	157.20
1988/09/13	107.00
1988/09/14	78.00
1988/09/15	61.70
1988/09/16	61.70
1988/09/17	71.00
1988/09/18	97.40
1988/09/19	233.50
1988/09/20	660.00
1988/09/21	1125.80
1988/09/22	1691.50
1988/09/23	1995.10
1988/09/24	2120.20
1988/09/25	2061.40
1988/09/26	1909.00
1988/09/27	1699.30
1988/09/28	1444.80
1988/09/29	1194.00
1988/09/30	1040.80
1988/10/01	934.00
1988/10/02	863.60
1988/10/03	826.10
1988/10/04	769.80
1988/10/05	731.80
1988/10/06	677.50
1988/10/07	617.50
1988/10/08	561.00
1988/10/09	537.00
1988/10/10	556.20
1988/10/11	597.50
1988/10/12	660.00
1988/10/13	718.80
1988/10/14	750.50
1988/10/15	784.30
1988/10/16	989.80
1988/10/17	1197.50
1988/10/18	1392.90
1988/10/19	1640.80
1988/10/20	1995.10
1988/10/21	2314.10
1988/10/22	2461.40
1988/10/23	2531.80
1988/10/24	2545.00
1988/10/25	2540.60
1988/10/26	2531.80
1988/10/27	2487.80
1988/10/28	2426.20
1988/10/29	2352.80
1988/10/30	2267.20
1988/10/31	2057.20
1988/11/01	1845.00
1988/11/02	1656.40
1988/11/03	1517.00
1988/11/04	1389.20
1988/11/05	1260.60
1988/11/06	1183.60
1988/11/07	1108.80
1988/11/08	1000.00
1988/11/09	914.80
1988/11/10	832.30
1988/11/11	784.30
1988/11/12	731.80
1988/11/13	672.50
1988/11/14	617.50
1988/11/15	570.60
1988/11/16	541.80
1988/11/17	500.20
1988/11/18	438.20
1988/11/19	396.00
1988/11/20	374.00
1988/11/21	372.00
1988/11/22	406.10
1988/11/23	394.00
1988/11/24	342.00
1988/11/25	299.60
1988/11/26	292.40
1988/11/27	305.00
1988/11/28	292.40
1988/11/29	270.00
1988/11/30	262.00
1988/12/01	254.00
1988/12/02	230.50
1988/12/03	209.50
1988/12/04	193.00
1988/12/05	176.20
1988/12/06	172.00
1988/12/07	208.00
1988/12/08	208.00
1988/12/09	242.80
1988/12/10	275.10
1988/12/11	275.10
1988/12/12	276.80
1988/12/13	280.20
1988/12/14	324.00
1988/12/15	312.60
1988/12/16	346.00
1988/12/17	254.00
1988/12/18	229.00
1988/12/19	215.50
1988/12/20	197.50
1988/12/21	166.40
1988/12/22	148.10
1988/12/23	136.40
1988/12/24	186.00
1988/12/25	239.60
1988/12/26	71.00
1988/12/27	91.40
1988/12/28	98.60
1988/12/29	97.40
1988/12/30	90.20
1988/12/31	85.70
#===========================================
# Number of observations = 366 / 366
# Average = 380.14