Year	current US$
1962	4833.83353023494
1963	4520.625399323019
1964	4448.046009933943
1965	4081.424492293974
1966	4228.745370643849
1967	3930.1898831057633
1968	3909.4589253834893
1969	3726.8302985024347
1970	3579.582666544334
1971	4518.735947810244
1972	4870.4431844820065
1973	5573.059386614587
1974	12622.88441505797
1975	10969.738649875886
1976	11235.757977206496
1977	11335.08929063044
1978	11664.931746608272
1979	17524.364335386967
1980	19170.92408035478
1981	15929.819556862692
1982	13053.953187369012
1983	12022.318234587137
1984	11962.651725502228
1985	11353.231574668518
1986	9097.125870158574
1987	10919.675511937323
1988	9717.630509829261
1989	11001.679923782947
1990	11002.065615430409
1991	8219.480181520994
1992	12253.57944378766
1993	14477.951066116655
1994	15141.303388314855
1995	16424.97540906585
1996	18488.839611130497
1997	17230.055104285828
1998	14258.355821183532
1999	16044.493793501344
2000	19493.888049091453
2001	17517.706145600434
2002	18626.774923182977
2003	22781.082819458043
2004	27601.400059072166
2005	36144.994945871644
2006	42970.696448825845
2007	45729.799339983954
2008	55595.48431295917
2009	37906.20518517483
2010	39212.465375740525
2011	48997.39371597576
2012	51270.97906292509
2013	47762.85669979278
2014	43239.88266237987
2015	29315.193101955338
2016	27026.772927926875
2017	29258.26629553497
2018	32012.187562590163
2019	31230.17294991415
2020	24656.43371340642
2021	33358.46315385755
2022	42823.82783486985
2023	37533.21771773274