Year	current US$
1962	48000000
1963	42800000
1964	51080000
1965	49882000
1966	51482000
1967	42882000
1968	30582000
1969	19382000
1970	37122000
1971	46345062.7131481
1972	52241642.7066301
1973	67901725.093916
1974	49408139.4781921
1975	35577005.9247934
1976	42161006.613332
1977	68920781.313251
1978	59221295.5148927
1979	5039519.96422063
1980	9100000
1981	26521651.8852826
1982	19959209.2954003
1983	29225634.7171917
1984	58899720.6417429
1985	48443936.7311072
1986	114524463.934045
1987	185199306.274738
1988	223721112.621281
1989	245265708.203012
1990	92084945.4410949
1991	88857217.2395543
1992	84427500.1031254
1993	80642850.0808044
1994	71640029.0217707
1995	108960783.853207
1996	240880919.486017
1997	281600527.28725
1998	171378012.996065
1999	227186728.905518
2000	285182984.805489
2001	398349960.538685
2002	363272345.666928
2003	414272747.15771
2004	503524275.988023
2005	481286830.746363
2006	583182459.275841
2007	846677005.492943
2008	982306552.811993
2009	982078789.679611
2010	1022970696.36859
2011	1134559589.73412
2012	1052810915.82789
2013	776146662.956508
2014	773817323.366607
2015	832008813.363757
2016	1183690792.01019
2017	1600175022.31326
2018	1739588290.28962
2019	1693147648.47775
2020	1980766598.34546
2021	2334564597.58187
2022	2159914363.96649
2023	2631980575.49645