Year	current US$
1963	34342045.02484131
1964	53756126.06306001
1965	55333335.74250027
1966	73576520.03181703
1967	76924426.39866439
1968	89558557.74967532
1969	107560601.0078759
1970	105117778.6215382
1971	112649362.45561187
1972	111476082.07753588
1973	118108144.93410566
1974	334262104.2208467
1975	241897334.79252672
1976	278511973.2778623
1977	292684965.4592889
1978	411848053.86229986
1979	423733951.8136669
1980	773472154.548527
1981	544664192.8569933
1982	612220840.5785693
1983	475737820.1005035
1984	519366252.78226334
1985	521170889.0110646
1986	658172672.9165813
1987	730213615.959169
1988	761211516.2964967
1989	762306408.8980017
1990	603505041.1605006
1991	571926370.6037557
1992	501433055.0754385
1993	304394721.1496379
1994	358302926.58052194
1995	420808142.0061756
1996	516316175.88333225
1997	475868140.6025997
1998	517181587.6350571
1999	475147222.55053484
2000	424670348.2703124
2001	429366652.6514263
2002	516701878.8456674
2003	694096764.8953575
2004	752390243.7862438
2005	811362053.8633504
2006	831810885.5055606
2007	900322085.6483413
2008	1127772906.7399008
2009	1187564713.826995
2010	1279768332.0583677
2011	1660814154.9802673
2012	1736771567.3409994
2013	1997592280.6941922
2014	1811710703.0083683
2015	1495042878.2823594
2016	1578284066.7144203
2017	1588718291.8307588
2018	1702774383.3411932
2019	1665133404.8230288
2020	1721567222.6082008
2021	1971234503.8441744
2022	2091318175.747298
2023	2192410682.5905495