Year	current US$
1960	26360400000
1961	27086800000
1962	27841000000
1963	30069700000
1964	34562300000
1965	35892100000
1966	40410900000
1967	42596200000
1968	47633800000
1969	52253800000
1970	59967400000
1971	62605280000
1972	71013260000
1973	97893860000
1974	133143957000
1975	141806853000
1976	155751248000
1977	164942226000
1978	192285777000
1979	240395287000
1980	288682587000
1981	306652786000
1982	283698372000
1983	277362360000
1984	308333843000
1985	304029411000
1986	307207797741.48
1987	351375956370.4
1988	435553815237
1989	484270398454
1990	519243810058
1991	547793530548
1992	580740983000
1993	606599023435.8
1994	673533535077
1995	773258929244
1996	823111879386.9
1997	901044283471.1
1998	892056289278.3
1999	928920592720.1
2000	1047987473941
2001	993494148656
2002	946273008696
2003	996574504141
2004	1133680598867
2005	1266361899493
2006	1425322547102
2007	1583082724978
2008	1757605616324
2009	1373413675227
2010	1665134759856
2011	1933982362441
2012	2000990111056
2013	2036643028111
2014	2095756360864
2015	1913256442170
2016	1843313842862
2017	1964544635936
2018	2112061289825
2019	2087303627262
2020	1821758937478