Year current US$ 1960 0 1961 0 1962 0 1963 310000.002384186 1964 150000.000372529 1965 99999.99776482579 1966 189999.995753169 1967 300000.004470348 1968 359999.99567866296 1969 339999.990537763 1970 659999.992698431 1971 160000.000149012 1972 339999.997988343 1973 379999.99709427403 1974 710000.0139325861 1975 1159999.99828637 1976 5380000.0846386 1977 869999.98986721 1978 720000.008121133 1979 940000.0274181371 1980 1769999.9846518 1981 1969999.99880791 1982 6950000.01788139 1983 5919999.9589473 1984 1440000.0274181399 1985 2929999.96803701 1986 719999.987632036 1987 259999.99418854702 1988 1070000.0468641499 1989 1060000.0079721198 1990 5539999.9544024505 1991 5820000.0002980195 1992 4750000.0372529 1993 10609999.9975413 1994 21750000.2402812 1995 57519999.4128197 1996 65719998.51427969 1997 60839999.2436171 1998 68090000.6014854 1999 68729999.9967217 2000 60610000.3048778 2001 65009999.092668295 2002 87359999.7721612 2003 137290001.150221 2004 98170001.8811971 2005 118350000.37960699 2006 151410003.758967 2007 159260002.657771 2008 159259998.973459 2009 137070000.05804 2010 149980002.03072998 2011 185590002.983809 2012 191299995.914102 2013 290809993.61723703 2014 271309998.47874 2015 305219999.42325103 2016 406100000.321865 2017 453499998.927116 2018 413279997.870326 2019 420699995.279312 2020 335850000.910461 2021 340970002.606511 2022 282629999.6674062