Year	current US$
1960	22770018214.41226
1961	22443627112.348732
1962	22557016228.974697
1963	25473341920.139706
1964	28437354622.96984
1965	30098457242.216335
1966	31745752742.504898
1967	31952859526.873863
1968	34049417436.332027
1969	37764594522.08921
1970	41565800579.81503
1971	45841759112.47895
1972	51202107526.37732
1973	75878292917.2178
1974	126783555197.87288
1975	124155259926.13988
1976	141743076637.98984
1977	165585771285.50342
1978	179000852336.8448
1979	246481910883.07962
1980	325234637656.5617
1981	300140101558.4712
1982	290386831859.092
1983	290595777996.4778
1984	307924657651.8287
1985	300223050025.0716
1986	266679320120.23068
1987	317586579039.88837
1988	358684919288.9033
1989	405542027990.82776
1990	458174833237.928
1991	469603473104.70355
1992	513948862001.151
1993	541979153928.417
1994	637833565348.3608
1995	769856160090.2263
1996	836431613723.1129
1997	919731166321.4769
1998	883877907561.7838
1999	964117476595.3099
2000	1172287626950.6626
2001	1141757997414.8826
2002	1247427223376.1255
2003	1493601948370.0889
2004	1902832183287.8452
2005	2343987974935.1196
2006	2854160016292.907
2007	3431070958782.343
2008	4128207031382.7124
2009	3278471175187.0107
2010	4247397661301.957
2011	5204994669495.542
2012	5416379876459.421
2013	5547063063150.361
2014	5663614416951.932
2015	5054449879511.167
2016	4793800852974.008
2017	5365047056502.763
2018	5941945993187.266
2019	5898740102686.207
2020	5648906305425.798
2021	7332516348533.798
2022	8226585640410.474
2023	7821100584134.373