Year	Millions of International Dollars
1970-01-01	666.1431359
1971-01-01	722.6732623
1972-01-01	813.5021109
1973-01-01	856.4407853
1974-01-01	866.0565526
1975-01-01	1071.9273820
1976-01-01	1263.2484190
1977-01-01	1453.9628700
1978-01-01	1666.1074770
1979-01-01	1710.9374680
1980-01-01	1718.4327610
1981-01-01	2040.6445170
1982-01-01	2133.3135060
1983-01-01	2087.6302390
1984-01-01	2191.0263340
1985-01-01	2649.7167560
1986-01-01	2702.9314640
1987-01-01	2614.6921500
1988-01-01	2913.3097160
1989-01-01	3015.8890610
1990-01-01	2349.0634340
1991-01-01	2646.6512960
1992-01-01	2629.7657460
1993-01-01	2146.9573590
1994-01-01	2211.6723130
1995-01-01	2282.2756660
1996-01-01	2635.9275840
1997-01-01	3079.1626650
1998-01-01	3278.7371660
1999-01-01	2566.7790510
2000-01-01	2558.1755570
2001-01-01	2657.8772800
2002-01-01	3023.5908660
2003-01-01	3346.4356140
2004-01-01	3668.2350210
2005-01-01	4447.6971060
2006-01-01	4778.9526730
2007-01-01	5361.0488360
2008-01-01	5768.8886990
2009-01-01	5755.5308200
2010-01-01	5860.8670660