1987/01/01	7.27
1987/01/02	7.15
1987/01/03	7.15
1987/01/04	7.04
1987/01/05	7.04
1987/01/06	6.81
1987/01/07	6.70
1987/01/08	6.70
1987/01/09	6.59
1987/01/10	6.49
1987/01/11	6.49
1987/01/12	6.38
1987/01/13	6.38
1987/01/14	6.17
1987/01/15	6.07
1987/01/16	6.07
1987/01/17	6.07
1987/01/18	5.96
1987/01/19	5.96
1987/01/20	6.07
1987/01/21	6.07
1987/01/22	6.07
1987/01/23	6.07
1987/01/24	6.07
1987/01/25	5.96
1987/01/26	5.86
1987/01/27	5.75
1987/01/28	5.65
1987/01/29	5.65
1987/01/30	5.65
1987/01/31	5.65
1987/02/01	5.65
1987/02/02	5.55
1987/02/03	5.55
1987/02/04	5.65
1987/02/05	5.55
1987/02/06	5.44
1987/02/07	5.44
1987/02/08	5.34
1987/02/09	5.34
1987/02/10	5.44
1987/02/11	5.44
1987/02/12	5.34
1987/02/13	5.23
1987/02/14	5.34
1987/02/15	5.34
1987/02/16	5.44
1987/02/17	5.44
1987/02/18	5.44
1987/02/19	5.44
1987/02/20	5.34
1987/02/21	8.85
1987/02/22	7.61
1987/02/23	6.70
1987/02/24	6.93
1987/02/25	6.17
1987/02/26	6.17
1987/02/27	6.07
1987/02/28	5.96
1987/03/01	4.51
1987/03/02	4.41
1987/03/03	4.51
1987/03/04	4.41
1987/03/05	4.03
1987/03/06	4.03
1987/03/07	4.03
1987/03/08	3.84
1987/03/09	3.84
1987/03/10	3.84
1987/03/11	3.75
1987/03/12	3.65
1987/03/13	3.40
1987/03/14	3.31
1987/03/15	3.31
1987/03/16	3.23
1987/03/17	3.31
1987/03/18	3.31
1987/03/19	3.23
1987/03/20	3.23
1987/03/21	3.40
1987/03/22	3.31
1987/03/23	2.64
1987/03/24	4.51
1987/03/25	3.65
1987/03/26	4.51
1987/03/27	4.51
1987/03/28	3.57
1987/03/29	3.57
1987/03/30	3.31
1987/03/31	3.31
1987/04/01	6.38
1987/04/02	6.17
1987/04/03	5.55
1987/04/04	5.23
1987/04/05	5.12
1987/04/06	4.71
1987/04/07	4.41
1987/04/08	4.32
1987/04/09	4.22
1987/04/10	4.22
1987/04/11	4.22
1987/04/12	4.13
1987/04/13	4.13
1987/04/14	4.03
1987/04/15	3.94
1987/04/16	3.94
1987/04/17	3.94
1987/04/18	9.08
1987/04/19	6.38
1987/04/20	5.96
1987/04/21	5.86
1987/04/22	6.81
1987/04/23	8.85
1987/04/24	7.72
1987/04/25	6.38
1987/04/26	6.59
1987/04/27	7.72
1987/04/28	7.95
1987/04/29	6.81
1987/04/30	6.28
1987/05/01	8.06
1987/05/02	6.38
1987/05/03	6.17
1987/05/04	5.44
1987/05/05	23.85
1987/05/06	43.23
1987/05/07	16.06
1987/05/08	8.51
1987/05/09	6.28
1987/05/10	5.65
1987/05/11	5.65
1987/05/12	5.02
1987/05/13	5.02
1987/05/14	11.87
1987/05/15	7.95
1987/05/16	5.86
1987/05/17	5.55
1987/05/18	5.12
1987/05/19	5.12
1987/05/20	5.65
1987/05/21	6.07
1987/05/22	5.55
1987/05/23	5.55
1987/05/24	5.44
1987/05/25	5.02
1987/05/26	4.51
1987/05/27	6.07
1987/05/28	5.96
1987/05/29	10.60
1987/05/30	7.04
1987/05/31	8.29
1987/06/01	6.81
1987/06/02	10.35
1987/06/03	24.15
1987/06/04	22.54
1987/06/05	29.96
1987/06/06	42.00
1987/06/07	42.53
1987/06/08	31.08
1987/06/09	32.20
1987/06/10	19.54
1987/06/11	13.95
1987/06/12	10.98
1987/06/13	12.26
1987/06/14	10.98
1987/06/15	10.35
1987/06/16	10.72
1987/06/17	11.35
1987/06/18	9.31
1987/06/19	8.51
1987/06/20	8.17
1987/06/21	9.87
1987/06/22	8.85
1987/06/23	8.06
1987/06/24	8.06
1987/06/25	6.93
1987/06/26	6.28
1987/06/27	6.28
1987/06/28	5.96
1987/06/29	5.96
1987/06/30	5.86
1987/07/01	5.86
1987/07/02	5.75
1987/07/03	5.55
1987/07/04	5.44
1987/07/05	5.12
1987/07/06	7.61
1987/07/07	9.42
1987/07/08	8.06
1987/07/09	9.31
1987/07/10	14.73
1987/07/11	15.65
1987/07/12	11.35
1987/07/13	9.53
1987/07/14	8.85
1987/07/15	8.74
1987/07/16	7.95
1987/07/17	7.72
1987/07/18	7.38
1987/07/19	7.04
1987/07/20	7.15
1987/07/21	7.15
1987/07/22	7.49
1987/07/23	7.38
1987/07/24	7.15
1987/07/25	9.08
1987/07/26	7.72
1987/07/27	6.59
1987/07/28	6.49
1987/07/29	6.28
1987/07/30	6.17
1987/07/31	5.86
1987/08/01	5.55
1987/08/02	5.34
1987/08/03	5.02
1987/08/04	6.17
1987/08/05	7.49
1987/08/06	6.07
1987/08/07	5.65
1987/08/08	5.44
1987/08/09	5.44
1987/08/10	7.27
1987/08/11	28.20
1987/08/12	18.84
1987/08/13	15.52
1987/08/14	19.12
1987/08/15	12.39
1987/08/16	20.66
1987/08/17	49.48
1987/08/18	112.00
1987/08/19	91.54
1987/08/20	75.19
1987/08/21	53.71
1987/08/22	50.20
1987/08/23	92.97
1987/08/24	196.25
1987/08/25	168.20
1987/08/26	142.00
1987/08/27	108.40
1987/08/28	79.20
1987/08/29	62.90
1987/08/30	48.40
1987/08/31	38.58
1987/09/01	35.88
1987/09/02	32.52
1987/09/03	28.84
1987/09/04	25.95
1987/09/05	24.45
1987/09/06	32.68
1987/09/07	39.26
1987/09/08	88.52
1987/09/09	168.20
1987/09/10	158.45
1987/09/11	129.76
1987/09/12	103.08
1987/09/13	90.98
1987/09/14	74.96
1987/09/15	66.06
1987/09/16	53.33
1987/09/17	48.76
1987/09/18	41.13
1987/09/19	57.32
1987/09/20	77.28
1987/09/21	69.72
1987/09/22	122.58
1987/09/23	117.62
1987/09/24	78.00
1987/09/25	66.49
1987/09/26	67.14
1987/09/27	63.70
1987/09/28	53.90
1987/09/29	50.56
1987/09/30	48.04
1987/10/01	43.23
1987/10/02	56.75
1987/10/03	48.40
1987/10/04	47.50
1987/10/05	62.10
1987/10/06	43.23
1987/10/07	47.32
1987/10/08	42.53
1987/10/09	62.50
1987/10/10	67.35
1987/10/11	55.23
1987/10/12	39.43
1987/10/13	49.30
1987/10/14	44.28
1987/10/15	41.47
1987/10/16	37.90
1987/10/17	36.54
1987/10/18	36.37
1987/10/19	36.37
1987/10/20	37.05
1987/10/21	34.76
1987/10/22	36.20
1987/10/23	32.84
1987/10/24	30.28
1987/10/25	28.05
1987/10/26	28.84
1987/10/27	25.50
1987/10/28	23.70
1987/10/29	22.69
1987/10/30	21.96
1987/10/31	21.09
1987/11/01	20.52
1987/11/02	20.38
1987/11/03	21.09
1987/11/04	20.38
1987/11/05	20.38
1987/11/06	18.98
1987/11/07	18.70
1987/11/08	19.40
1987/11/09	18.00
1987/11/10	17.44
1987/11/11	17.16
1987/11/12	16.60
1987/11/13	16.20
1987/11/14	15.93
1987/11/15	15.65
1987/11/16	16.46
1987/11/17	15.93
1987/11/18	18.00
1987/11/19	16.74
1987/11/20	16.74
1987/11/21	15.25
1987/11/22	14.86
1987/11/23	14.60
1987/11/24	14.21
1987/11/25	14.08
1987/11/26	13.69
1987/11/27	13.43
1987/11/28	13.17
1987/11/29	13.04
1987/11/30	12.91
1987/12/01	12.65
1987/12/02	12.26
1987/12/03	12.00
1987/12/04	11.48
1987/12/05	9.87
1987/12/06	9.42
1987/12/07	9.31
1987/12/08	9.08
1987/12/09	8.85
1987/12/10	8.85
1987/12/11	8.74
1987/12/12	8.85
1987/12/13	8.74
1987/12/14	8.63
1987/12/15	8.51
1987/12/16	8.40
1987/12/17	8.29
1987/12/18	8.29
1987/12/19	7.95
1987/12/20	7.72
1987/12/21	7.72
1987/12/22	7.61
1987/12/23	7.49
1987/12/24	7.49
1987/12/25	7.38
1987/12/26	7.38
1987/12/27	7.38
1987/12/28	7.27
1987/12/29	7.15
1987/12/30	7.15
1987/12/31	7.04
#===========================================
# Number of observations = 365 / 365
# Average = 19.89