Year	current US$
1960	236359697329.26657
1961	215773982350.56912
1962	215218301251.24585
1963	228482029485.83847
1964	263093007398.16418
1965	297806778465.67084
1966	322756407405.0592
1967	317115282370.3028
1968	316338717706.1483
1969	354454622911.11664
1970	402926758998.3737
1971	443431301620.6306
1972	504217949362.975
1973	633970164011.2534
1974	733418812229.9055
1975	788838956828.1161
1976	812873567659.8862
1977	946458120173.974
1978	939558602435.4487
1979	1163005699434.6318
1980	1372119747166.9568
1981	1415544964401.366
1982	1400418314722.287
1983	1461396318226.1262
1984	1552335173187.2605
1985	1660675505162.1033
1986	1684896070685.474
1987	1746603588097.057
1988	1907970208476.7786
1989	1913194180510.283
1990	1966143155409.277
1991	1983419918605.2493
1992	2022186054608.043
1993	2105333938710.25
1994	2442945412790.58
1995	3018292160017.5464
1996	3329594709957.725
1997	3486500370030.6245
1998	3361066467991.7603
1999	3106274396328.6187
2000	3410313487927.404
2001	3525091029820.1113
2002	3736796107267.6763
2003	4257947205698.709
2004	5117293242644.112
2005	6172905218377.232
2006	7448573743924.264
2007	9382447414660.31
2008	11663554908011.693
2009	11269360521229.502
2010	13564267760890.17
2011	16530365963615.512
2012	17680657970635.27
2013	19042359863611.246
2014	19776331354297.38
2015	18550881244485.992
2016	18593573738109.332
2017	20631078375844.242
2018	22623622462864.816
2019	23050208314364.02
2020	22531183291578.27
2021	26872794398412.043
2022	28062557325965.14
2023	28341396914858.254