Year current US$ 1960 42140000.38057566 1961 36520000.47639012 1962 31290000.349283226 1963 25539999.993517995 1964 17889999.657869346 1965 6859999.854117629 1966 1229999.978095293 1967 1240000.076591969 1968 6329999.892041087 1969 5770000.042393801 1970 2789999.9711662526 1971 1800000.028684737 1972 5200000.004842874 1973 10889999.8422712 1974 10389999.695122223 1975 529999.9900162218 1976 6410000.134259458 1977 5279999.958351257 1978 4020000.021904707 1979 1890000.0341236636 1980 9930000.04626811 1981 1980000.0581890359 1982 2370000.021532178 1983 2440000.049769882 1984 2229999.9818205866 1985 3180000.0201910683 1986 8400000.210851436 1987 2480000.0209361305 1988 1889999.965205789 1989 6880000.080913306 1990 7660000.074654816 1991 2979999.9874085207 1992 1469999.9764561655 1993 1959999.9655038102 1994 1809999.9707192183 1995 3229999.9110400737 1996 2180000.01832843 1997 1879999.9970942724 1998 3730000.058189035 1999 3409999.9163299743 2000 11969999.779015772 2001 4790000.025182961 2002 5779999.958351253 2003 6419999.949634077 2004 9700000.064447522 2005 17610000.021755688 2006 34310000.56862836 2007 16710000.332444906 2008 56580000.38936728 2009 34570000.7528067 2010 18459999.803453676 2011 513280013.08068615 2012 132829999.94605783 2013 132390003.07768586 2014 140149998.32771713 2015 89429998.55801456 2016 124510001.31666663 2017 402560003.51719594 2018 264699997.9950488 2019 269710003.9310754 2020 278520000.9644032 2021 315949997.6225198 2022 242500001.36904427