Year current US$ 1960 20120000.8392334 1961 56869998.9318848 1962 43139999.3896484 1963 47849998.4741211 1964 47959999.0844727 1965 53250000 1966 31139999.3896484 1967 20610000.6103516 1968 23930000.3051758 1969 23290000.915527303 1970 23530000.6866455 1971 19149999.6185303 1972 23940000.5340576 1973 21139999.3896484 1974 23649999.6185303 1975 12000000 1976 28790000.915527303 1977 14289999.961853001 1978 40939998.626709 1979 47759998.3215332 1980 39139999.3896484 1981 61659999.8474121 1982 46389999.3896484 1983 37310001.373291 1984 39259998.3215332 1985 32470001.220703095 1986 34919998.1689453 1987 32180000.305175804 1988 75120002.746582 1989 72559997.55859381 1990 67339996.3378906 1991 66279998.779296905 1992 47279998.779296905 1993 39490001.6784668 1994 44299999.237060495 1995 34790000.9155273 1996 43750000 1997 46599998.4741211 1998 54080001.8310547 1999 55020000.4577637 2000 73110000.6103516 2001 55119998.9318848 2002 54389999.3896484 2003 79410003.6621094 2004 45810001.373291 2005 86279998.7792969 2006 107800003.05175799 2007 111290000.915527 2008 91379997.253418 2009 131220001.220703 2010 105230003.35693401 2011 142020004.272461 2012 161320007.32421902 2013 249229995.727539 2014 222009994.506836 2015 237699996.94824198 2016 180580001.831055 2017 196759994.506836 2018 154889999.38964802 2019 171429992.67578098 2020 117940002.441406 2021 99029998.7792969 2022 55389999.3896484