Year	current US$
1960	106151005000
1961	111517725000
1962	117360203000
1963	128571068000
1964	145416240272.7
1965	157448573000
1966	175652406000
1967	185663758363.6
1968	210467018636.4
1969	239910484727.3
1970	278229181363.6
1971	309649923818.2
1972	365639079818.2
1973	508645391545.5
1974	739794891272.7
1975	771828307272.7
1976	875434006181.8
1977	1007466454363.6
1978	1169485803363.6
1979	1463284444104.3
1980	1765133616228.4102
1981	1797273892854.6
1982	1682468361568.9502
1983	1633430341482.3499
1984	1742998008423.2932
1985	1788870883017.2998
1986	1941586265432.5896
1987	2266401939351.3604
1988	2590749148101.6797
1989	2810999613257.8804
1990	3220679119597.26
1991	3343718612756.96
1992	3624077034182.0894
1993	3568907240725.2983
1994	4064112938899.8916
1995	4836507523915.891
1996	5076164384644.069
1997	5441231829443.31
1998	5409128741321.3
1999	5699707052653.718
2000	6459896012409
2001	6276620625896
2002	6525424670595
2003	7614933329233
2004	9273105822475
2005	10511880221064
2006	12091826755670
2007	14031949319050
2008	16270717055677
2009	12563519623857
2010	15212773103893
2011	18034239758691
2012	18266938986211
2013	18567517314912
2014	18672649417571
2015	16356133638181
2016	15932596635180
2017	17612697264758
2018	19395402802272
2019	18843094552022
2020	17392630553033