Year	current US$
1960	670598062.4096122
1961	692597472.9899981
1962	736196900.5845584
1963	762274505.4749182
1964	798894307.5433557
1965	835959305.7406634
1966	876592472.0380144
1967	905983905.4011902
1968	977201984.5819172
1969	995320765.1422573
1970	1028608110.2735052
1971	1143868914.2749407
1972	1277735689.1978078
1973	1579229529.8899336
1974	1841208113.708241
1975	2212123945.320209
1976	2055869157.5045002
1977	2253386540.349949
1978	2598199135.848973
1979	3453794142.9197564
1980	3243126098.90228
1981	3334666595.0729146
1982	3737295634.1818676
1983	3608203872.1520114
1984	2927246444.0743613
1985	3189806368.9189444
1986	3536952489.1713805
1987	2469084523.840745
1988	2734220477.8027964
1989	1914968440.8429391
1990	2778594232.8959045
1991	2380405746.0116816
1992	2528831421.188533
1993	2737500510.6379642
1994	2488328138.1870594
1995	3628148231.593737
1996	4552434269.916144
1997	4025771866.4791074
1998	4061295171.3817143
1999	3933011758.8551464
2000	4287018038.5224543
2001	4697925910.662168
2002	5115172504.331624
2003	5921180139.795746
2004	4492911339.875043
2005	5341556397.1910095
2006	5552613257.150585
2007	7211180525.895305
2008	8601223119.219574
2009	8120314661.693374
2010	8694815858.752602
2011	10130098019.003836
2012	10296191179.92738
2013	11592464023.545326
2014	11134779309.064852
2015	10014897570.430729
2016	10223407868.340633
2017	11559811834.94806
2018	11781801583.038439
2019	12130411657.81223
2020	12490559694.095112
2021	13653911225.2709
2022	13495480247.499725
2023	13660405057.472754