Year current US$ 1970 0 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0 2001 0 2002 0 2003 213123.563590481 2004 7743324.85627251 2005 9667445.72380304 2006 29761734.0629284 2007 39667313.8465331 2008 36539571.8460438 2009 34383520.6720752 2010 68649272.6375831 2011 130379171.074668 2012 86213960.6411987 2013 65936732.8940569 2014 64322364.5115492 2015 40938096.3322271 2016 42098376.3656672 2017 55666704.325786 2018 51424316.1882142 2019 37890661.1214808 2020 34515143.5165927 2021 144119386.552676