Month	Millions of Dollars
1985-01-01	38.1
1985-02-01	38.5
1985-03-01	39.4
1985-04-01	40.1
1985-05-01	41.4
1985-06-01	51.0
1985-07-01	53.6
1985-08-01	36.4
1985-09-01	55.2
1985-10-01	45.1
1985-11-01	49.0
1985-12-01	54.4
1986-01-01	55.0
1986-02-01	47.6
1986-03-01	50.1
1986-04-01	42.8
1986-05-01	58.0
1986-06-01	50.9
1986-07-01	64.9
1986-08-01	53.6
1986-09-01	50.3
1986-10-01	53.9
1986-11-01	61.3
1986-12-01	57.1
1987-01-01	49.7
1987-02-01	57.6
1987-03-01	74.9
1987-04-01	66.2
1987-05-01	61.9
1987-06-01	76.7
1987-07-01	75.8
1987-08-01	64.9
1987-09-01	61.2
1987-10-01	76.7
1987-11-01	60.2
1987-12-01	71.4
1988-01-01	59.4
1988-02-01	67.1
1988-03-01	82.1
1988-04-01	82.2
1988-05-01	67.0
1988-06-01	70.3
1988-07-01	82.0
1988-08-01	68.2
1988-09-01	61.6
1988-10-01	79.2
1988-11-01	65.4
1988-12-01	57.0
1989-01-01	65.1
1989-02-01	58.6
1989-03-01	73.8
1989-04-01	63.7
1989-05-01	80.5
1989-06-01	72.8
1989-07-01	73.5
1989-08-01	64.4
1989-09-01	70.9
1989-10-01	69.5
1989-11-01	50.0
1989-12-01	56.3
1990-01-01	67.0
1990-02-01	54.0
1990-03-01	61.8
1990-04-01	59.5
1990-05-01	77.0
1990-06-01	59.8
1990-07-01	83.5
1990-08-01	75.9
1990-09-01	64.5
1990-10-01	68.5
1990-11-01	49.9
1990-12-01	54.7
1991-01-01	67.7
1991-02-01	62.9
1991-03-01	56.6
1991-04-01	55.6
1991-05-01	51.5
1991-06-01	50.2
1991-07-01	63.0
1991-08-01	65.9
1991-09-01	50.7
1991-10-01	46.7
1991-11-01	49.0
1991-12-01	54.1
1992-01-01	43.5
1992-02-01	43.2
1992-03-01	51.5
1992-04-01	46.3
1992-05-01	40.6
1992-06-01	0.0
1992-07-01	0.0
1992-08-01	0.0
1992-09-01	0.0
1992-10-01	0.0
1992-11-01	0.0
1992-12-01	0.0
1993-01-01	0.0
1993-02-01	0.0
1993-03-01	0.0
1993-04-01	0.0
1993-05-01	0.0
1993-06-01	0.0
1993-07-01	0.0
1993-08-01	0.0
1993-09-01	0.0
1993-10-01	0.0
1993-11-01	0.0
1993-12-01	0.0
1994-01-01	0.0
1994-02-01	0.0
1994-03-01	0.0
1994-04-01	0.0
1994-05-01	0.0
1994-06-01	0.0
1994-07-01	0.0
1994-08-01	0.0
1994-09-01	0.0
1994-10-01	0.0
1994-11-01	0.0
1994-12-01	0.0
1995-01-01	0.0
1995-02-01	0.0
1995-03-01	0.0
1995-04-01	0.0
1995-05-01	0.0
1995-06-01	0.0
1995-07-01	0.0
1995-08-01	0.0
1995-09-01	0.0
1995-10-01	0.0
1995-11-01	0.0
1995-12-01	0.0
1996-01-01	0.0
1996-02-01	0.0
1996-03-01	0.0
1996-04-01	0.0
1996-05-01	0.0
1996-06-01	0.0
1996-07-01	0.0
1996-08-01	0.0
1996-09-01	0.0
1996-10-01	0.0
1996-11-01	0.0
1996-12-01	0.0
2003-01-01	0.0
2003-02-01	0.0
2003-03-01	0.0
2003-04-01	0.0
2003-05-01	0.0
2003-06-01	0.0
2003-07-01	0.0
2003-08-01	0.0
2003-09-01	0.0
2003-10-01	0.0
2003-11-01	0.0
2003-12-01	0.0