Year	current US$
1960	208333333.3333333
1961	372727272.72727275
1962	290909090.90909094
1963	273333333.3333333
1964	300000000
1965	393103448.27586204
1966	400000000
1967	321904761.9047619
1968	268534482.7586207
1969	325403225.8064516
1970	44354838.70967742
1971	465725806.4516129
1972	387570621.46892655
1973	1388564760.7934656
1974	545901639.3442622
1975	544901610.017889
1976	749666868.5645064
1977	770367979.3415107
1978	1001876141.4577453
1979	1415297269.7116613
1980	1193871927.6975644
1981	1940498471.2313535
1982	1544972208.1859524
1983	833633930.6492903
1984	840641940.8512694
1985	806111352.7620705
1986	1007151630.4132493
1987	1233161288.0339835
1988	1559891438.6608908
1989	1507250739.7235575
1990	1639995929.8288817
1991	2012380164.5765421
1992	2087161450.0339196
1993	2281579064.8886147
1994	2665996882.97805
1995	2953249173.0981255
1996	3087932474.250276
1997	3368848993.6223187
1998	3690443822.272462
1999	2850297170.0193133
2000	2542393834.4367313
2001	2430054860.243363
2002	1943987884.0664334
2003	2205791213.2941475
2004	2766878531.762345
2005	3408190309.0863037
2006	3570040045.9296126
2007	4401774596.550427
2008	5727888832.843569
2009	6681912761.100537
2010	8555590483.703922
2011	10309911237.364742
2012	10680222928.203657
2013	11944175984.619957
2014	11807582427.53331
2015	11151252500.835518
2016	13095278888.565971
2017	13916744592.522074
2018	13007006397.739279
2019	12539650752.812874
2020	11193530140.460552
2021	15443845216.703024
2022	16831235841.405125
2023	15847656759.998081