Year	current US$
1960	277420000
1961	272920000
1962	273430000
1963	323330000
1964	356240000
1965	445150000
1966	509360000
1967	658840000
1968	678700000
1969	684960000
1970	787880000
1971	1118396932.98572
1972	1287751343.76011
1973	1533464817.15745
1974	1886631069.33791
1975	2196468249.67229
1976	2189428090.0551
1977	2195606229.52943
1978	2860683415.9221
1979	4215234649.03879
1980	6047998630.79088
1981	6252869092.90229
1982	6873507374.9192
1983	6629180679.16001
1984	9365042718.23684
1985	13916739455.1845
1986	12524557361.8094
1987	14276550775.2983
1988	13267744639.4208
1989	13784839106.8941
1990	15332279113.9691
1991	13232029418.2437
1992	11940371897.6446
1993	19622424597.968
1994	19025518659.5008
1995	22517826603.7626
1996	26516704227.8296
1997	23400343743.2537
1998	19048098632.0912
1999	23807272580.0503
2000	27597385931.5661
2001	23277534836.1791
2002	31999835842.7747
2003	37219980260.0565
2004	44307531918.0843
2005	46985905052.1739
2006	56841568846.0479
2007	60839629829.3958
2008	50949819414.8049
2009	48859300062.3353
2010	53215083706.0825
2011	49397087253.2418
2012	51856399587.6549
2013	58283142155.4752
2014	64800723856.6031
2015	57455936481.5608
2016	60445172369.6599
2017	65923863904.4306
2018	63145471060.2407
2019	66946037549.8517
2020	75258813465.0281
2021	84270941751.0846
2022	72077375478.9291
2023	80459096008.3425