Year current US$ 1964 109803921.56862745 1965 112464985.99439776 1966 118767507.00280112 1967 109254143.64640884 1968 88595438.17527011 1969 103001200.48019208 1970 127250900.36014406 1971 135860409.1456077 1972 135081148.56429464 1973 134681372.5490196 1974 169590643.2748538 1975 234181415.92920354 1976 172057502.2461815 1977 184991273.99650958 1978 230659025.78796563 1979 300473036.89687794 1980 420571428.5714286 1981 443054357.2044866 1982 335835351.08958834 1983 219310344.8275862 1984 134900398.40637448 1985 142324303.10168827 1986 73576932.63733533 1987 153071110.06668037 1988 151842280.24850833 1989 164863828.93350944 1990 220884011.46283165 1991 226186928.5472401 1992 223732478.9747697 1993 219705726.87224668 1994 233892960.62723708 1995 230235699.15254238 1996 302772890.19224507 1997 128198675.49668874 1998 143021872.6016884 1999 133349961.20164062 2000 250503322.02093592 2001 300791964.5554325 2002 373951405.43115765 2003 443246731.1214277 2004 421775811.6462444 2005 483591086.3417207 2006 472171832.42294073 2007 532971814.821589 2008 643759632.2674882 2009 685540147.3867648 2010 888970251.2790695 2011 1642834872.557058 2012 1989233059.1951542 2013 2894443322.4335423 2014 2629234345.926911 2015 2001365445.2324667 2016 2002833206.6760573 2017 1796266930.2121003 2018 1602530475.4431372 2019 1546805333.6316612 2020 1481614654.9206316 2021 1761846845.0130155 2022 2301808487.5406203 2023 2563263089.6457148