Year	current US$
1960	112328422.11308399
1961	116987784.91373882
1962	122906434.95781387
1963	129454728.62359904
1964	140032741.46832892
1965	147084750.0314822
1966	150603925.51585305
1967	162625885.8634838
1968	166952937.13500515
1969	182182067.70356816
1970	219878482.17356414
1971	247749327.7212674
1972	316656648.69895685
1973	425950487.5198936
1974	558587097.3828332
1975	684282434.3610952
1976	694540806.3806442
1977	719501765.7830485
1978	829267889.4293734
1979	1019691460.1737615
1980	1202618816.2085173
1981	1235626770.5092397
1982	1194059943.224777
1983	1123085190.065092
1984	1178000677.9992924
1985	1141168943.976615
1986	1290267339.650056
1987	1177947965.1214206
1988	1110009522.7574325
1989	1182660265.766352
1990	1337017559.4972816
1991	1383883249.5910022
1992	1532411039.0547915
1993	1636101246.9394045
1994	1825732092.5467432
1995	1970301486.205614
1996	2128696643.6257393
1997	2090221137.0287633
1998	1653146716.5823526
1999	1936459986.0379515
2000	1678219507.898291
2001	1652462023.4621494
2002	1833279985.367415
2003	2300492465.322761
2004	2708078476.630121
2005	2980403844.7209597
2006	3076305452.8650646
2007	3378314599.764019
2008	3523185919.558261
2009	2870624635.6803193
2010	3140166712.796239
2011	3779411899.374834
2012	3972028104.4732842
2013	4189967998.514236
2014	4857104768.868437
2015	4682479893.975582
2016	4930213644.366533
2017	5353469174.478379
2018	5581425327.443973
2019	5444407198.134784
2020	4432466219.876845
2021	4305031649.741891
2022	4979979531.272499
2023	5494797540.733647