Year	current US$
1960	46157379.792021215
1961	53078875.42181647
1962	56243568.85848058
1963	70124239.99408922
1964	77540103.46868289
1965	84468787.66894767
1966	97281594.15146393
1967	130487347.97913657
1968	145012559.82809892
1969	171949151.02780163
1970	123008734.15919298
1971	199741094.1411118
1972	311076213.8787269
1973	416798916.6167835
1974	668038560.8475196
1975	1033535545.4571329
1976	1387316654.804656
1977	1440086497.667998
1978	1121176290.3032963
1979	1133406058.1066213
1980	1353656770.0552
1981	1571772407.2229505
1982	1435152239.7840676
1983	1476646950.5038755
1984	1431720920.3532326
1985	1913133444.743808
1986	1861937646.8961384
1987	1484012451.037488
1988	1602494054.1947644
1989	1724720020.5283687
1990	1836814828.9524682
1991	1797631335.21838
1992	1889852807.3410177
1993	1512752825.5366616
1994	1603032269.561351
1995	1772673124.6869645
1996	1879469128.9023883
1997	1983294062.5844593
1998	2177525442.651647
1999	1777483514.2685769
2000	1659781413.5788002
2001	1475000550.0085592
2002	1715357230.748031
2003	1847633653.748965
2004	2076853808.2608843
2005	2294207327.727109
2006	2899740991.839748
2007	3313621544.732041
2008	4172990647.774402
2009	3795566581.844373
2010	4526528929.310825
2011	5236192836.560122
2012	5390232336.514447
2013	5855446896.635014
2014	5279047842.591015
2015	4015443368.984218
2016	3659959617.662415
2017	3708781261.562877
2018	3835211914.831976
2019	3711865706.354933
2020	3454238784.5053115
2021	3831257528.671764
2022	3489654931.410648
2023	3578642810.008747