Year current US$ 1960 114487400 1961 149272700 1962 167003000 1963 185408800 1964 172575400 1965 195540400 1966 265448699.99999997 1967 284361100 1968 324043300 1969 375376900 1970 465210600 1971 572554300 1972 658625700 1973 794768900 1974 909967000 1975 928457700 1976 1012565400 1977 803277900 1978 1066400900.0000001 1979 1285670000 1980 1629300800 1981 1860688900 1982 1950901400 1983 1331128100 1984 1151768100 1985 1250804100 1986 1471847400 1987 1576816300 1988 557248300 1989 457603800 1990 1360184800 1991 1705517400 1992 2393292300 1993 2727976000 1994 3154545500 1995 3642270800 1996 3989078600 1997 4144173000 1998 4761829500 1999 4729818300 2000 4489734100 2001 3333168600 2002 3093724700 2003 3932098600 2004 4244528199.9999995 2005 4543993200 2006 5337711500 2007 7676000000 2008 10648000000 2009 8523200000.000001 2010 11250000000 2011 13401900000 2012 17663300000 2013 20067600000 2014 22119500000 2015 23127300000 2016 23452300000 2017 25957847200 2018 27750776096.263798 2019 26583713238.435898 2020 14156149442.1841 2021 21821980538.4524 2022 31552900349.8708