Year	current US$
1960	546203559.3443607
1961	618245634.1798309
1962	645284473.7336911
1963	761047198.0296532
1964	921063326.5899183
1965	919771228.8160951
1966	1024102880.058619
1967	1082922724.8718865
1968	1281281276.7235703
1969	1361360293.4266486
1970	1455482795.406913
1971	1584128509.4687285
1972	1849400401.6472368
1973	2508421426.1757154
1974	3070152309.2190304
1975	3893839190.268061
1976	4662053824.83955
1977	6265068189.377822
1978	7900526298.319929
1979	9142933966.794653
1980	10175617609.096157
1981	8432589942.39434
1982	7567110848.922282
1983	6838184772.520635
1984	6841639246.8996
1985	6977650643.9948845
1986	9158302099.579567
1987	10087654464.81683
1988	10255169805.799646
1989	9757410644.667898
1990	10795850582.778996
1991	10492628580.748444
1992	11152971273.938326
1993	11045760288.120558
1994	8313557510.1475725
1995	11000146266.513521
1996	18071152830.61015
1997	18047558037.70358
1998	19619654755.67897
1999	18870992455.567986
2000	16577533891.878548
2001	16810537043.840742
2002	18054383320.847363
2003	21251754340.430542
2004	23510575681.368645
2005	24036918703.174747
2006	25281413263.371223
2007	28760090953.30806
2008	34078240293.255936
2009	33886813250.203587
2010	34936307980.063034
2011	36693710801.397644
2012	36302302877.297745
2013	42760235484.609314
2014	48843005613.70906
2015	45815005169.26511
2016	48407761036.82379
2017	52512343996.68996
2018	58522477786.68885
2019	60382894697.35568
2020	63027852805.42045
2021	72794636653.77934
2022	70173140101.43147
2023	78788828906.86345
