Year	current US$
1965	266464343.10904896
1966	271086101.4635973
1967	291462256.53822505
1968	329610763.0759336
1969	338128055.5258352
1970	361066778.7030217
1971	383502900.75093466
1972	478915759.10445726
1973	585492754.9355322
1974	637295494.8260497
1975	831961091.0029213
1976	800165753.1622429
1977	1142137510.9452984
1978	1461960700.6882074
1979	1824449973.2241633
1980	1914051803.5453076
1981	1796626803.4492128
1982	1785419554.9955041
1983	1593424658.8168776
1984	1606566645.4439673
1985	1759421685.958119
1986	2564637141.733512
1987	3130148253.309692
1988	2929609616.0306406
1989	2808948828.632198
1990	2954844139.0812535
1991	2872315383.810753
1992	3208637465.1249585
1993	2951033404.028998
1994	1745747828.1127505
1995	2080044796.7354705
1996	2032593603.9439788
1997	2046532367.643235
1998	2146760585.9817948
1999	2195053954.154786
2000	1914425623.8618495
2001	2039643934.9096704
2002	2268840479.0104833
2003	2790618390.016131
2004	3306062561.852076
2005	3264813174.037773
2006	3267284756.6434197
2007	3794429943.174905
2008	4434753053.712475
2009	4577429011.668882
2010	4750466031.760735
2011	5114562814.529466
2012	5023001150.5959425
2013	5640660332.702925
2014	6122341132.360416
2015	5543192964.352427
2016	5813584806.539075
2017	6025909459.389351
2018	6592186923.523439
2019	6665089103.451578
2020	7134038986.927766
2021	7633648039.398362
2022	7410717609.023607
2023	8008288063.27949