Year	current US$
1960	227033666.3160439
1961	257740378.0192211
1962	329280482.9447083
1963	477587367.1281384
1964	501760735.915746
1965	543574130.5753915
1966	569054167.946113
1967	522340766.0997903
1968	545207466.3042839
1969	498167397.3121827
1970	676527658.907233
1971	880658921.5859724
1972	1085631922.1891675
1973	1811462225.7329137
1974	2705367154.3002334
1975	2173967355.096602
1976	2413857548.960782
1977	3133325180.403879
1978	4362615185.734974
1979	6133587273.503249
1980	7449642447.4811
1981	8748223295.177128
1982	10001747030.048916
1983	11401615508.885298
1984	11391244908.565386
1985	8605170593.167574
1986	7206824712.699336
1987	7428051172.4303255
1988	9298212184.8202
1989	11604220548.854454
1990	14246499376.126438
1991	18571428571.42857
1992	20923155456.080418
1993	26211930795.09498
1994	30686633135.192806
1995	38710925039.872406
1996	41834009062.72359
1997	42975370856.69671
1998	19250662454.13779
1999	17715000000
2000	25198947368.421055
2001	22637631578.94737
2002	24986842105.26316
2003	25085789473.68421
2004	28754210526.315792
2005	32146565227.356506
2006	36936876273.96388
2007	45309054160.0765
2008	49528258758.756805
2009	36074022351.520195
2010	59639804823.65115
2011	69089801545.9462
2012	80964749752.41202
2013	83848502130.655
2014	84440825455.41208
2015	76617356472.7023
2016	78313048433.68027
2017	81523896270.17322
2018	85741277232.70378
2019	76863484587.69768
2020	66337160477.908554
2021	82642293150.74113
2022	95676596820.82074
2023	90036639896.63904