1997/01/01	25.80
1997/01/02	25.10
1997/01/03	25.10
1997/01/04	25.10
1997/01/05	24.30
1997/01/06	24.30
1997/01/07	24.30
1997/01/08	24.30
1997/01/09	23.50
1997/01/10	23.50
1997/01/11	22.80
1997/01/12	22.80
1997/01/13	22.00
1997/01/14	22.00
1997/01/15	22.00
1997/01/16	21.40
1997/01/17	20.80
1997/01/18	20.80
1997/01/19	20.80
1997/01/20	20.20
1997/01/21	20.20
1997/01/22	20.20
1997/01/23	20.20
1997/01/24	19.00
1997/01/25	18.40
1997/01/26	17.80
1997/01/27	17.80
1997/01/28	17.20
1997/01/29	17.20
1997/01/30	17.20
1997/01/31	16.60
1997/02/01	16.00
1997/02/02	15.50
1997/02/03	14.90
1997/02/04	14.90
1997/02/05	14.30
1997/02/06	13.80
1997/02/07	13.80
1997/02/08	13.30
1997/02/09	13.30
1997/02/10	12.70
1997/02/11	12.70
1997/02/12	12.70
1997/02/13	12.70
1997/02/14	12.70
1997/02/15	12.70
1997/02/16	12.70
1997/02/17	12.20
1997/02/18	12.20
1997/02/19	12.20
1997/02/20	12.20
1997/02/21	12.20
1997/02/22	12.20
1997/02/23	12.20
1997/02/24	11.60
1997/02/25	11.60
1997/02/26	11.60
1997/02/27	11.00
1997/02/28	11.00
1997/03/01	11.00
1997/03/02	11.00
1997/03/03	10.50
1997/03/04	10.10
1997/03/05	9.80
1997/03/06	9.80
1997/03/07	9.80
1997/03/08	9.80
1997/03/09	9.80
1997/03/10	9.80
1997/03/11	9.80
1997/03/12	9.80
1997/03/13	9.50
1997/03/14	9.50
1997/03/15	9.50
1997/03/16	9.10
1997/03/17	9.10
1997/03/18	8.80
1997/03/19	8.80
1997/03/20	9.10
1997/03/21	9.10
1997/03/22	8.80
1997/03/23	8.80
1997/03/24	8.80
1997/03/25	8.40
1997/03/26	8.00
1997/03/27	8.80
1997/03/28	13.30
1997/03/29	16.00
1997/03/30	15.50
1997/03/31	13.30
1997/04/01	13.30
1997/04/02	16.15
1997/04/03	22.00
1997/04/04	14.95
1997/04/05	12.75
1997/04/06	11.10
1997/04/07	10.00
1997/04/08	10.55
1997/04/09	10.00
1997/04/10	12.20
1997/04/11	12.20
1997/04/12	12.20
1997/04/13	11.10
1997/04/14	11.10
1997/04/15	11.10
1997/04/16	11.65
1997/04/17	10.55
1997/04/18	10.00
1997/04/19	12.20
1997/04/20	11.10
1997/04/21	10.55
1997/04/22	9.65
1997/04/23	9.65
1997/04/24	9.65
1997/04/25	15.50
1997/04/26	31.55
1997/04/27	23.70
1997/04/28	20.70
1997/04/29	20.70
1997/04/30	19.40
1997/05/01	17.45
1997/05/02	22.85
1997/05/03	55.95
1997/05/04	36.80
1997/05/05	23.70
1997/05/06	18.75
1997/05/07	16.15
1997/05/08	14.40
1997/05/09	13.85
1997/05/10	27.95
1997/05/11	60.55
1997/05/12	49.05
1997/05/13	37.85
1997/05/14	24.55
1997/05/15	18.10
1997/05/16	14.40
1997/05/17	12.75
1997/05/18	11.65
1997/05/19	11.10
1997/05/20	10.55
1997/05/21	10.55
1997/05/22	11.10
1997/05/23	10.55
1997/05/24	12.20
1997/05/25	12.75
1997/05/26	17.45
1997/05/27	17.45
1997/05/28	17.45
1997/05/29	16.15
1997/05/30	15.50
1997/05/31	14.40
1997/06/01	18.10
1997/06/02	19.40
1997/06/03	26.25
1997/06/04	18.75
1997/06/05	13.85
1997/06/06	11.65
1997/06/07	10.00
1997/06/08	19.40
1997/06/09	14.95
1997/06/10	12.75
1997/06/11	11.10
1997/06/12	9.30
1997/06/13	8.95
1997/06/14	8.95
1997/06/15	8.25
1997/06/16	8.60
1997/06/17	12.75
1997/06/18	13.85
1997/06/19	12.20
1997/06/20	10.00
1997/06/21	9.65
1997/06/22	8.95
1997/06/23	8.60
1997/06/24	8.95
1997/06/25	8.60
1997/06/26	7.90
1997/06/27	7.90
1997/06/28	7.90
1997/06/29	9.30
1997/06/30	10.00
1997/07/01	12.75
1997/07/02	12.75
1997/07/03	16.15
1997/07/04	18.75
1997/07/05	13.30
1997/07/06	11.10
1997/07/07	10.00
1997/07/08	12.20
1997/07/09	12.20
1997/07/10	10.00
1997/07/11	9.65
1997/07/12	8.95
1997/07/13	9.30
1997/07/14	13.30
1997/07/15	15.50
1997/07/16	12.75
1997/07/17	11.65
1997/07/18	12.20
1997/07/19	14.95
1997/07/20	38.90
1997/07/21	253.13
1997/07/22	503.80
1997/07/23	628.20
1997/07/24	554.20
1997/07/25	291.60
1997/07/26	202.53
1997/07/27	170.50
1997/07/28	148.00
1997/07/29	139.00
1997/07/30	121.00
1997/07/31	98.10
1997/08/01	85.95
1997/08/02	297.00
1997/08/03	473.20
1997/08/04	286.20
1997/08/05	210.20
1997/08/06	167.50
1997/08/07	142.00
1997/08/08	112.20
1997/08/09	94.05
1997/08/10	98.10
1997/08/11	191.80
1997/08/12	158.50
1997/08/13	160.00
1997/08/14	142.00
1997/08/15	170.50
1997/08/16	217.87
1997/08/17	316.80
1997/08/18	431.80
1997/08/19	311.40
1997/08/20	231.67
1997/08/21	245.47
1997/08/22	331.20
1997/08/23	205.60
1997/08/24	176.50
1997/08/25	213.27
1997/08/26	289.80
1997/08/27	298.80
1997/08/28	265.40
1997/08/29	207.13
1997/08/30	352.50
1997/08/31	523.60
1997/09/01	727.00
1997/09/02	601.60
1997/09/03	775.00
1997/09/04	759.00
1997/09/05	539.80
1997/09/06	412.00
1997/09/07	422.80
1997/09/08	375.25
1997/09/09	286.20
1997/09/10	239.33
1997/09/11	210.20
1997/09/12	207.13
1997/09/13	188.73
1997/09/14	164.50
1997/09/15	155.50
1997/09/16	149.50
1997/09/17	154.00
1997/09/18	139.00
1997/09/19	133.00
1997/09/20	127.00
1997/09/21	137.50
1997/09/22	275.40
1997/09/23	175.00
1997/09/24	142.00
1997/09/25	127.00
1997/09/26	151.00
1997/09/27	191.80
1997/09/28	216.33
1997/09/29	256.20
1997/09/30	251.60
1997/10/01	254.67
1997/10/02	193.33
1997/10/03	210.20
1997/10/04	196.40
1997/10/05	184.13
1997/10/06	182.60
1997/10/07	185.67
1997/10/08	170.50
1997/10/09	160.00
1997/10/10	154.00
1997/10/11	139.00
1997/10/12	131.50
1997/10/13	127.00
1997/10/14	146.50
1997/10/15	130.00
1997/10/16	118.00
1997/10/17	110.75
1997/10/18	106.40
1997/10/19	109.30
1997/10/20	103.50
1997/10/21	95.40
1997/10/22	91.35
1997/10/23	88.65
1997/10/24	81.90
1997/10/25	77.85
1997/10/26	75.25
1997/10/27	79.20
1997/10/28	103.50
1997/10/29	118.00
1997/10/30	87.30
1997/10/31	76.50
1997/11/01	71.50
1997/11/02	67.75
1997/11/03	62.85
1997/11/04	60.55
1997/11/05	60.55
1997/11/06	60.55
1997/11/07	58.25
1997/11/08	55.95
1997/11/09	55.95
1997/11/10	54.80
1997/11/11	53.65
1997/11/12	52.50
1997/11/13	49.05
1997/11/14	47.90
1997/11/15	46.75
1997/11/16	46.75
1997/11/17	45.60
1997/11/18	44.45
1997/11/19	44.45
1997/11/20	43.30
1997/11/21	42.15
1997/11/22	41.00
1997/11/23	39.95
1997/11/24	38.90
1997/11/25	36.80
1997/11/26	35.75
1997/11/27	33.65
1997/11/28	32.60
1997/11/29	31.55
1997/11/30	30.50
1997/12/01	29.65
1997/12/02	29.65
1997/12/03	27.95
1997/12/04	27.95
1997/12/05	27.10
1997/12/06	27.10
1997/12/07	26.25
1997/12/08	25.40
1997/12/09	24.55
1997/12/10	22.85
1997/12/11	22.85
1997/12/12	22.85
1997/12/13	22.85
1997/12/14	22.00
1997/12/15	22.00
1997/12/16	21.35
1997/12/17	21.35
1997/12/18	20.70
1997/12/19	20.70
1997/12/20	21.35
1997/12/21	21.35
1997/12/22	21.35
1997/12/23	20.70
1997/12/24	20.70
1997/12/25	20.70
1997/12/26	20.70
1997/12/27	20.05
1997/12/28	20.05
1997/12/29	20.05
1997/12/30	19.40
1997/12/31	18.75
#===========================================
# Number of observations = 365 / 365
# Total = 28494.1
# Average = 78.07