Year	current US$
1965	382353941.81595665
1966	404186825.3175186
1967	456502337.8081591
1968	512593413.2594852
1969	548544811.6451689
1970	575608466.7736603
1971	615565748.654298
1972	736824007.3934435
1973	961913004.9931585
1974	1134585351.2903206
1975	1503875839.0185564
1976	1548437840.8525074
1977	1628136265.9013808
1978	2456838506.65345
1979	2872768552.8793674
1980	2639961892.19539
1981	2489553305.0419455
1982	2444567117.5344315
1983	2685098533.9454393
1984	2619596240.007928
1985	3464785828.116439
1986	5051314456.365723
1987	5692152701.873259
1988	5483665149.597554
1989	4758810509.1899185
1990	5527706933.589958
1991	5292319941.01924
1992	5525671566.230342
1993	7673253845.805664
1994	3991110485.311889
1995	4988240248.803269
1996	5004034378.646193
1997	4888839700.158192
1998	5148482510.62555
1999	5283139815.065529
2000	4758072823.576011
2001	5086320332.629092
2002	5705816931.86232
2003	7330377313.031064
2004	9057367286.300472
2005	9396468870.978386
2006	10022329564.23288
2007	11749142891.564335
2008	13746571837.98439
2009	14140593942.289516
2010	13927798551.74532
2011	15857739346.825407
2012	15307219868.546476
2013	16971370400.574284
2014	18348941326.27482
2015	15963495102.185488
2016	17064899054.196293
2017	18180198555.32905
2018	20156157185.59528
2019	20241216444.525414
2020	21105012794.742985
2021	22911295213.740883
2022	21803781132.696163
2023	24740255835.20377