Year	current US$
1967	27795979439.497593
1968	32045214436.02105
1969	36385136969.27641
1970	39869321664.77595
1971	44261219880.81445
1972	55657277025.8343
1973	69165512530.7898
1974	97532954395.85123
1975	131738284000.87616
1976	168409201862.7217
1977	180609341806.23535
1978	198740911401.1337
1979	239079091639.50912
1980	277586258227.94434
1981	294287243543.67523
1982	325957831316.0997
1983	328879320750.3664
1984	335439651718.2955
1985	371584954957.9636
1986	398965868079.6303
1987	423433349044.29285
1988	416148834370.5081
1989	391372756512.3743
1990	454438862511.186
1991	280607223632.0792
1992	292663126184.60724
1993	292173704144.9701
1994	309889183769.4141
1995	315055756589.9495
1996	350978870502.3757
1997	380433748111.88794
1998	396554786387.9311
1999	414609442781.5022
2000	448427083556.4754
2001	470769824262.92017
2002	467745455217.3712
2003	494167526460.30914
2004	569165389153.623
2005	657456709512.5417
2006	761091148696.1598
2007	906447221476.7294
2008	1085589204554.57
2009	1208607425484.0562
2010	1342221012651.7146
2011	1425559672092.922
2012	1626097269620.6196
2013	1689351066868.6038
2014	1666587052319.9863
2015	1532575970144.7441
2016	1520577364630.741
2017	1481423031756.208
2018	1468272753350.0945
2019	1438013507814.7434
2020	1302262227271.4343
2021	1448007818845.4646
2022	1620412244015.524
2023	1687884400171.9321