Quarter	Millions of US Dollars
1986-01-01	22
1986-04-01	24
1986-07-01	26
1986-10-01	25
1987-01-01	27
1987-04-01	27
1987-07-01	27
1987-10-01	33
1988-01-01	32
1988-04-01	60
1988-07-01	59
1988-10-01	64
1989-01-01	60
1989-04-01	56
1989-07-01	93
1989-10-01	91
1990-01-01	83
1990-04-01	85
1990-07-01	94
1990-10-01	96
1991-01-01	93
1991-04-01	94
1991-07-01	98
1991-10-01	104
1992-01-01	98
1992-04-01	103
1992-07-01	109
1992-10-01	104
1993-01-01	78
1993-04-01	85
1993-07-01	85
1993-10-01	81
1994-01-01	88
1994-04-01	91
1994-07-01	41
1994-10-01	40
1995-01-01	46