Year	current US$
1965	72571428.57142857
1966	159481481.4814815
1967	88510826.0321093
1968	109687755.11456755
1969	125160925.3133353
1970	167532340.79005867
1971	173779554.81530908
1972	163079019.6966163
1973	205076426.39266577
1974	245149011.76822695
1975	269307250.82855064
1976	317221501.65729934
1977	401694666.36935675
1978	513262565.5454662
1979	677206844.9268243
1980	924673687.5056844
1981	1017339215.8446078
1982	1087666846.6337316
1983	941432330.4695178
1984	840112083.7156248
1985	921611015.9119983
1986	1071173391.6466936
1987	1268790185.9264398
1988	1408110282.568665
1989	1333553077.149684
1990	3004372237.486561
1991	2970700108.825206
1992	3540010510.4775157
1993	4788704725.316779
1994	6324479154.06393
1995	7658816183.679394
1996	7393382837.050132
1997	8577937105.882268
1998	7091722247.860654
1999	5932349885.353689
2000	7185146929.786549
2001	7160332074.409296
2002	7348241643.209796
2003	7443502154.898739
2004	9613949339.877396
2005	13037175111.703905
2006	15190825894.389044
2007	19656744923.18295
2008	22237629682.40161
2009	19953204144.415836
2010	25511881927.17489
2011	30703186293.287148
2012	33453064351.000343
2013	32510654691.67642
2014	34056683682.265846
2015	27044093587.92335
2016	24895794295.402676
2017	28651660180.105232
2018	30833602053.861977
2019	30556838682.813953
2020	24143336168.739388
2021	30195680344.903107
2022	34896669224.2544
2023	35849425057.76181