Year current US$ 1969 11379999.907687299 1970 13610000.0012666 1971 12910000.1603365 1972 11130000.039935099 1973 15209999.8407066 1974 16450000.0607222 1975 18800000.1627952 1976 20990000.1380593 1977 27450000.077486 1978 32530000.150203697 1979 29789999.4533509 1980 10179999.9568611 1981 46799999.7735024 1982 46540000.7888675 1983 59439999.7889996 1984 51769999.9064207 1985 71869999.4385242 1986 63210000.4255772 1987 74010000.6461143 1988 63759999.379515596 1989 73509999.781847 1990 70929999.2620945 1991 84319999.6948242 1992 68690000.295639 1993 102390001.028776 1994 83310001.1944771 1995 157400000.333786 1996 76100000.2026558 1997 111389999.508858 1998 80460000.9918213 1999 126540001.034737 2000 147380000.710487 2001 102809999.138117 2002 150580002.188683 2003 159429998.755455 2004 141249998.450279 2005 174739999.41349 2006 93970000.2670288 2007 128819999.337196 2008 155569997.19701698 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0