Year	International Dollars
1970-01-01	1789.009719
1971-01-01	1918.874979
1972-01-01	2136.314390
1973-01-01	2236.032733
1974-01-01	2277.633711
1975-01-01	2955.166053
1976-01-01	3584.934371
1977-01-01	4038.011798
1978-01-01	4561.216492
1979-01-01	4715.131877
1980-01-01	4853.191937
1981-01-01	5788.898234
1982-01-01	5924.389753
1983-01-01	5678.772208
1984-01-01	5854.273712
1985-01-01	6965.222098
1986-01-01	7022.607665
1987-01-01	6762.898612
1988-01-01	7497.631576
1989-01-01	7682.854226
1990-01-01	5949.993628
1991-01-01	6694.248047
1992-01-01	6632.448287
1993-01-01	5404.685728
1994-01-01	5546.235457
1995-01-01	5665.633137
1996-01-01	6466.851773
1997-01-01	7448.601955
1998-01-01	7807.799772
1999-01-01	6021.684272
2000-01-01	5915.061925
2001-01-01	6061.169279
2002-01-01	6804.816379
2003-01-01	7437.664029
2004-01-01	8056.442042
2005-01-01	9658.513353
2006-01-01	10263.853170
2007-01-01	11387.491580
2008-01-01	12119.615920
2009-01-01	11959.122110
2010-01-01	12044.081940