Year current US$ 1970 3800000.0193715105 1971 4739999.9760091305 1972 5179999.9997019805 1973 5179999.973624945 1974 9469999.90567565 1975 10860000.010579828 1976 10239999.97973442 1977 15079999.981448058 1978 19380000.45344233 1979 23890000.01735986 1980 23540000.088512905 1981 24110000.00685453 1982 35270000.10572377 1983 53659999.57919117 1984 35859999.74608423 1985 30389999.784529213 1986 34419999.75219372 1987 36980000.32827259 1988 32850000.297650754 1989 53120000.04388389 1990 49290000.714361705 1991 82219999.5014817 1992 109789999.60422513 1993 142589997.3101914 1994 112220001.2207031 1995 103889999.68767172 1996 84749999.8211861 1997 38180000.48398971 1998 35389999.56846237 1999 27949999.608099468 2000 28559999.801218506 2001 32659999.93681907 2002 26770000.04053115 2003 31689999.777823687 2004 29839999.854564663 2005 42580000.21614133 2006 52130000.725388564 2007 72839999.43733212 2008 58599999.33838839 2009 53930000.30517578 2010 61849999.12977217 2011 43939999.46117402 2012 48059362.98472811 2013 77184850.60334206 2014 65059403.24068071 2015 77313927.76966096 2016 66267655.55143367 2017 71586629.86755371 2018 77745374.85837938 2019 78254999.81641772 2020 77618999.95803839 2021 70811000.94318388 2022 78114998.81744383