Year	International Dollars
1970-01-01	1784.720576
1971-01-01	1931.576431
1972-01-01	2118.853403
1973-01-01	2272.044201
1974-01-01	2354.076668
1975-01-01	3256.950661
1976-01-01	3770.036058
1977-01-01	4495.110239
1978-01-01	4879.623850
1979-01-01	4946.865054
1980-01-01	5319.465747
1981-01-01	6822.285497
1982-01-01	7062.438028
1983-01-01	6731.477360
1984-01-01	6459.080605
1985-01-01	7559.857153
1986-01-01	7448.851455
1987-01-01	6827.974455
1988-01-01	7580.508332
1989-01-01	7401.731480
1990-01-01	6209.231912
1991-01-01	7284.787888
1992-01-01	7025.360407
1993-01-01	4164.933657
1994-01-01	4849.771498
1995-01-01	5384.422345
1996-01-01	7492.671741
1997-01-01	8438.372721
1998-01-01	9347.850540
1999-01-01	6823.389662
2000-01-01	5894.192670
2001-01-01	6262.253039
2002-01-01	7823.039669
2003-01-01	8621.500996
2004-01-01	8609.699958
2005-01-01	11611.692770
2006-01-01	9893.922060
2007-01-01	11524.378500
2008-01-01	12767.082450
2009-01-01	12536.428190
2010-01-01	11936.719810