Year current US$ 1970 43245621.265196785 1971 42617420.64747442 1972 58254275.42754275 1973 73053660.80782214 1974 88090655.9750529 1975 122375320.76313734 1976 145827829.95052004 1977 173394429.19589305 1978 221015149.82733652 1979 281312215.56886226 1980 336858066.1198111 1981 316601021.3143872 1982 305985937.5 1983 279983222.47592574 1984 272836670.0810131 1985 272897419.4729136 1986 345667467.7736509 1987 398282803.1809145 1988 446786946.9313611 1989 473675289.48016757 1990 557416858.0305282 1991 587002656.0424967 1992 606460358.056266 1993 530181695.6765862 1994 595186981.7107804 1995 648224708.1712062 1996 649952358.2658409 1997 648537426.3152041 1998 709470659.7414079 1999 724709427.4644855 2000 785723692.0434519 2001 647128567.1403415 2002 696830088.6151679 2003 847052060.4430543 2004 824967723.7476035 2005 832956879.1817186 2006 843424780.6448023 2007 985372446.3441241 2008 1228286670.5691724 2009 979126517.5990413 2010 1015314954.548844 2011 1082847283.4575455 2012 1035108308.6232613 2013 995604519.5980676 2014 990895163.9282411 2015 826115581.7744782 2016 838971246.5997658 2017 928716285.0750208 2018 1045004507.1210147 2019 1066664826.1979277 2020 1103795357.8174622 2021 1218301730.698834 2022 1277304297.807964 2023 1416214122.7852926