Year	current US$
1960	650793393.2340299
1961	676064335.8598032
1962	714566102.0931485
1963	734222182.8375591
1964	776139175.9468185
1965	806012049.6813893
1966	900264586.6163262
1967	956435313.7292234
1968	1031668829.2222496
1969	1051392481.7067506
1970	1108857700.2227147
1971	1192886703.2046597
1972	1339441931.6702065
1973	1648118532.0891738
1974	1903186533.2384727
1975	2270256388.014703
1976	2169578028.352717
1977	2357656134.281048
1978	2668890091.0682235
1979	3451167298.6804514
1980	5157942662.241234
1981	4671006428.374976
1982	4689709701.180607
1983	4568324614.824145
1984	3759912517.721118
1985	3673726255.306784
1986	4192899217.4485517
1987	3038202023.827172
1988	3010174181.2515683
1989	2986320071.003703
1990	3770426976.4574947
1991	3093518521.979339
1992	3567898597.585703
1993	3912357001.9059114
1994	3366890335.632257
1995	3671361237.539013
1996	4769113182.992072
1997	4133133398.0896473
1998	4280498855.9066772
1999	4172718601.0001945
2000	4531580137.455978
2001	5338012258.071113
2002	5254956307.325133
2003	6265748468.494809
2004	4993998513.90408
2005	5736869752.592952
2006	6248699559.547137
2007	8438652196.52687
2008	10625319395.159681
2009	9470022799.487276
2010	9803373258.690401
2011	11339961188.918667
2012	11207841557.62307
2013	12000180962.180574
2014	12173057216.308372
2015	10894778487.748716
2016	11379471782.222164
2017	12760046042.020338
2018	13299570422.21117
2019	13612309667.837185
2020	12717776143.215473
2021	14294993370.67837
2022	14934929561.24177
2023	15703031665.190868