Year current US$ 1976 1960000.03814697 1977 4380000.11444092 1978 750000 1979 11260000.2288818 1980 25129999.1607666 1981 10630000.1144409 1982 6909999.84741211 1983 16610000.610351602 1984 22610000.6103516 1985 16100000.381469702 1986 16750000 1987 31719999.3133545 1988 39270000.4577637 1989 35720001.220703095 1990 35200000.762939505 1991 29260000.2288818 1992 155669998.168945 1993 40209999.0844727 1994 58990001.6784668 1995 112849998.47412099 1996 57500000 1997 53959999.0844727 1998 55909999.8474121 1999 60380001.0681152 2000 36139999.3896484 2001 63270000.4577637 2002 33490001.678466797 2003 89379997.253418 2004 112690002.441406 2005 83199996.9482422 2006 155470001.220703 2007 116349998.47412099 2008 258890014.648438 2009 128039993.286133 2010 128940002.441406 2011 171759994.506836 2012 120599998.47412099 2013 67959999.0844727 2014 148009994.506836 2015 106220001.22070299 2016 70330001.8310547 2017 150820007.32421902 2018 86779998.7792969 2019 144880004.882813 2020 166100006.10351598 2021 171149993.89648402 2022 108489997.86377