Year	current US$
1967	5534350991.4922
1968	5771048919.087454
1969	6432952423.747843
1970	7452902779.913259
1971	8397497876.913873
1972	9533946247.453922
1973	10781692491.879673
1974	11275493940.288584
1975	12655820123.750814
1976	13695012143.753307
1977	15026995974.762274
1978	15944121321.160603
1979	17651029037.65
1980	21064278224.480602
1981	23032587142.485447
1982	25258546569.36226
1983	26289052557.93783
1984	30715860546.203735
1985	33693330948.41058
1986	37651397711.84227
1987	45293783683.237366
1988	44764587268.21668
1989	42825454815.02702
1990	42420796569.1311
1991	42843318976.32614
1992	44228056329.0734
1993	45241295296.03591
1994	50271041898.30768
1995	57511719356.42508
1996	64873021590.438324
1997	73071402512.14967
1998	79937842215.96593
1999	88414978342.56364
2000	97432762038.17012
2001	100570319789.19064
2002	94941797648.6223
2003	90657199755.26071
2004	88795737075.54839
2005	91810183217.38495
2006	101586643877.15094
2007	119972956026.76762
2008	146881389361.43994
2009	172128963793.15958
2010	196291853710.96317
2011	216784268950.29807
2012	245180041721.9661
2013	267961113983.34384
2014	292268185051.4465
2015	309136456238.2599
2016	325198707868.23865
2017	299135901449.92523
2018	285957177201.1127
2019	284476644959.2425
2020	323679040656.46313
2021	384943833464.5746
2022	455137361816.3925
2023	439247211864.84314