Year current US$ 1969 80000.0000745058 1970 49999.998882412896 1971 19999.9995529652 1972 70000.0002980232 1973 60000.0005215406 1974 249999.992549419 1975 3029999.89502132 1976 12300000.4850328 1977 18430000.1692027 1978 37489999.2663413 1979 86200000.083074 1980 70109999.6399134 1981 51110000.9381771 1982 67690000.08516009 1983 55150001.2613833 1984 66489999.108016506 1985 59299999.9783933 1986 54640000.3321469 1987 58980000.4959106 1988 62540000.0605732 1989 78589999.8322129 1990 58720000.512898 1991 149780000.61958998 1992 93130000.7291138 1993 86420000.096783 1994 187550003.731623 1995 77780000.1744181 1996 57270000.083372 1997 54640000.2352893 1998 47499999.7206032 1999 45410000.2963096 2000 158419995.591044 2001 148210002.869368 2002 93070001.2743473 2003 82939999.8784065 2004 79270000.84519391 2005 30080000.3707409 2006 26179999.712854598 2007 47730000.2910197 2008 54939999.2078543 2009 46610000.081360295 2010 42969999.8423457 2011 81410000.026226 2012 56980799.804558 2013 32900937.9722702 2014 3740799.90386963 2015 43701299.5481491 2016 78746653.6015272 2017 87919630.3486824 2018 50713573.7147182 2019 38557784.209493496 2020 59318909.2061161 2021 82629220.7986116 2022 51896399.98972415