Quarter	Millions of US Dollars
1986-01-01	0
1986-04-01	0
1986-07-01	0
1986-10-01	0
1987-01-01	0
1987-04-01	0
1987-07-01	0
1987-10-01	0
1988-01-01	0
1988-04-01	0
1988-07-01	0
1988-10-01	0
1989-01-01	0
1989-04-01	0
1989-07-01	0
1989-10-01	0
1990-01-01	0
1990-04-01	0
1990-07-01	0
1990-10-01	0
1991-01-01	0
1991-04-01	0
1991-07-01	0
1991-10-01	0
1992-01-01	30
1992-04-01	32
1992-07-01	33
1992-10-01	32
1993-01-01	0
1993-04-01	0
1993-07-01	47
1993-10-01	45
1994-01-01	49
1994-04-01	91
1994-07-01	41
1994-10-01	40
1995-01-01	46