Year	current US$
1960	19226769000
1961	20312533000
1962	20317345000
1963	22829783000
1964	27110035000
1965	28369167000
1966	31021504000
1967	33013326000
1968	36124146000
1969	37917236636
1970	45369363455
1971	43173767545
1972	53403361000
1973	77434624000
1974	123518859182
1975	116153762727
1976	135713039182
1977	158894334182
1978	179839448182
1979	243186469925.1
1980	286843661779.27
1981	325889344150.165
1982	307162507441.13196
1983	302983952683.3661
1984	324347152452.47705
1985	317397475015.9539
1986	277695180702.90204
1987	322837157467.272
1988	366402527758.21606
1989	408266916270.91504
1990	466291751164.2509
1991	488473513950.93384
1992	583930267550.342
1993	623901840033.334
1994	758717382363.6681
1995	926478455844.571
1996	1010178864858.5288
1997	1094483400318.7522
1998	1040142078179.4783
1999	1118551905342.2122
2000	1416261382102
2001	1371123755739
2002	1508790890166
2003	1806278470185
2004	2294419264666
2005	2824750885163
2006	3447534160945
2007	4162102297910
2008	5104277314998
2009	3908721843067
2010	5085080266065
2011	6204701617092
2012	6409539587758
2013	6572882353567
2014	6649274353061
2015	5814711545279
2016	5517041242256
2017	6187759396832
2018	6903975190063
2019	6801601497522
2020	6489442736913