Year	current US$
1962	52936507.93650793
1963	49809523.809523806
1964	58539682.53968254
1965	69873015.87301587
1966	75206349.20634921
1967	76992063.49206349
1968	86817460.31746031
1969	101253968.25396825
1970	95857142.85714285
1971	105952380.95238096
1972	106428571.42857143
1973	142063492.06349206
1974	228810749.45238096
1975	269849206.3492063
1976	306468253.96825397
1977	469507936.50793654
1978	566103174.6031746
1979	736523809.5238096
1980	891841269.8412699
1981	1011111111.1111112
1982	1070794117.6470588
1983	901287917.2602739
1984	1024424371.2761593
1985	890425801.565691
1986	1223304160.8620024
1987	1433992381.991018
1988	1561507833.8095238
1989	1478470883.544783
1990	2271653934.8674583
1991	2674820828.5541806
1992	2838888198.8935547
1993	3891800193.31537
1994	4900392491.442492
1995	5100987429.01244
1996	4923048704.547333
1997	4729946871.699741
1998	4349322682.863316
1999	3071972019.7045913
2000	3127286332.0378046
2001	2715523959.6388636
2002	2300391879.165748
2003	2613734808.4783807
2004	3312407416.822605
2005	4018871464.736173
2006	5162332823.601095
2007	6361555842.557985
2008	9437298164.14287
2009	7320133400.23782
2010	10663826785.97105
2011	12912863192.687399
2012	12233898499.418352
2013	13343028125.355991
2014	13574782458.808302
2015	11652991232.528517
2016	11049252331.824253
2017	12834286732.099606
2018	14165793923.631472
2019	13325018618.919115
2020	10448804213.937315
2021	13685252889.777803
2022	16516240284.998934
2023	17371995894.620506