Year	current US$
1960	80021380.2934078
1961	85363261.48789419
1962	88782065.452366
1963	99893178.33689786
1964	99252152.59355949
1965	105021384.28360496
1966	113194462.51116899
1967	125553936.24222255
1968	125733668.572354
1969	141393142.225575
1970	166210202.81050453
1971	186824232.861676
1972	213723103.1165341
1973	260770622.81761944
1974	311809337.4732126
1975	402178605.01955354
1976	435911268.5896796
1977	495097667.9290412
1978	552883707.0551385
1979	670362452.1453787
1980	1012280614.5279174
1981	1114204743.2009149
1982	1163923830.3584747
1983	1236016506.7369363
1984	1346890071.0982947
1985	1409536120.91682
1986	1547755183.2148364
1987	1704370307.7611496
1988	1812757917.76463
1989	2006165166.8075376
1990	2012131457.2664447
1991	2020583702.0832298
1992	1957000000
1993	2063342117.0387313
1994	2151344901.307612
1995	2216974096.3555913
1996	2363645403.470392
1997	2498384129.6673794
1998	2817083478.3473377
1999	2951822204.544325
2000	3059500000
2001	3054500000
2002	3106500000
2003	3209500000
2004	3444500000
2005	3819500000
2006	4217323400
2007	4675767950
2008	4790410400
2009	4466809600
2010	4534772750
2011	4662343500
2012	4622687600
2013	4693452700
2014	4711838650
2015	4738650450
2016	4848210350
2017	5000457800
2018	5128345200
2019	5367139250
2020	4779756550
2021	4945276000
2022	5840673700
2023	6393564189.61345