Year current US$ 1963 1944891366.9691143 1964 2201038407.6008716 1965 2508294684.6723094 1966 2582130118.75926 1967 2654160920.062749 1968 2811496907.728086 1969 3245766939.278292 1970 3692362277.679753 1971 4296821312.426587 1972 5379742626.557173 1973 7428484865.119869 1974 9422389230.186106 1975 10915325757.692722 1976 13093450856.842194 1977 15312619966.011354 1978 18324003704.197296 1979 23181842687.36108 1980 29010324336.274906 1981 32987033959.724056 1982 33131306290.337154 1983 31467643611.480785 1984 33314669583.575233 1985 33246624600.68503 1986 39938946466.49672 1987 50687690602.59451 1988 60609257488.299164 1989 65684775694.110115 1990 72224361891.23123 1991 82360592499.83403 1992 96083789168.37358 1993 115431084065.34445 1994 131684830679.23193 1995 145099845076.55917 1996 155349633836.193 1997 169210348855.35214 1998 164312888570.4152 1999 170435834451.36047 2000 179502668113.01202 2001 176950704848.5256 2002 170420433433.917 2003 177285550076.8951 2004 190747389551.9115 2005 196860730406.1579 2006 207669378475.1233 2007 221788442588.02362 2008 236229826288.9641 2009 225575830593.38504 2010 236168313746.97586 2011 252374310261.6749 2012 259861821126.7397 2013 276908180234.3436 2014 290892960101.3108 2015 300224170889.87683 2016 315280252901.1914 2017 342908579984.1216 2018 373034385794.9025 2019 378999723012.72894 2020 363194240944.32886 2021 403126161890.8247 2022 396682666234.2695 2023 415973122495.563