Year current US$ 1961 2000000 1962 2000000 1963 2000000 1964 2000000 1965 2349999.90463257 1966 3190000.05722046 1967 1399999.97615814 1968 740000.009536743 1969 2000000 1970 2000000 1971 4000000 1972 2000000 1973 7000000 1974 17000000 1975 10000000 1976 5000000 1977 6000000 1978 15000000 1979 14000000 1980 23000000 1981 18000000 1982 13000000 1983 15000000 1984 25000000 1985 44000000 1986 30000000 1987 33000000 1988 36000000 1989 23000000 1990 30000000 1991 38000000 1992 30000000 1993 37000000 1994 29000000 1995 31000000 1996 5000000 1997 38000000 1998 28469999.3133545 1999 34180000.3051758 2000 56439998.626709 2001 24760000.2288818 2002 49229999.5422363 2003 56020000.4577637 2004 45500000 2005 56849998.4741211 2006 65000000 2007 54000000 2008 53270000.4577637 2009 111250000 2010 198210006.71386698 2011 260540008.544922 2012 342269989.013672 2013 158460006.71386698 2014 155289993.28613302 2015 162429992.67578098 2016 208309997.55859402 2017 218720001.220703 2018 214429992.67578098 2019 222190002.44140598 2020 185339996.33789098 2021 222070007.32421902 2022 182729995.727539