Year current US$ 1960 479999.989271164 1961 6000000 1962 5000000 1963 3000000 1964 3000000 1965 12619999.8855591 1966 14460000.038146999 1967 2099999.90463257 1968 6579999.92370605 1969 6000000 1970 6000000 1971 10000000 1972 5000000 1973 4000000 1974 11000000 1975 7000000 1976 13000000 1977 12000000 1978 11000000 1979 16000000 1980 39000000 1981 77000000 1982 52000000 1983 76000000 1984 42000000 1985 73000000 1986 29000000 1987 43000000 1988 52000000 1989 59000000 1990 95000000 1991 63000000 1992 56000000 1993 38000000 1994 29000000 1995 36000000 1996 11000000 1997 17000000 1998 29770000.4577637 1999 38919998.1689453 2000 45880001.0681152 2001 43409999.8474121 2002 102430000.30517599 2003 111220001.22070299 2004 140869995.117188 2005 153259994.506836 2006 282380004.88281304 2007 325220001.220703 2008 439429992.675781 2009 590210021.972656 2010 562000000 2011 712090026.855469 2012 818260009.765625 2013 893630004.882813 2014 807369995.117188 2015 711729980.46875 2016 805719970.703125 2017 855409973.144531 2018 829229980.46875 2019 685359985.351563 2020 679419982.910156 2021 701440002.441406 2022 590770019.53125