Quarter	Millions of US Dollars
1991-07-01	31
1991-10-01	34
1992-01-01	32
1992-04-01	34
1992-07-01	37
1992-10-01	32
1993-01-01	32
1993-04-01	31
1993-07-01	32
1993-10-01	30
1994-01-01	31
1994-04-01	33
1994-07-01	34
1994-10-01	34
1995-01-01	38
