Year	current US$
1960	783600036.621094
1961	870000000
1962	860799987.792969
1963	821399963.378906
1964	810399963.378906
1965	663500000
1966	503899993.89648396
1967	753100036.621094
1968	590700012.207031
1969	627200012.207031
1970	627900024.414063
1971	674099975.585938
1972	765359985.351563
1973	865349975.585938
1974	941500000
1975	1173890014.64844
1976	1118319946.28906
1977	1103959960.9375
1978	1446359985.35156
1979	1823589965.82031
1980	2161510009.76563
1981	2313419921.875
1982	2312459960.9375
1983	2220919921.875
1984	2390290039.0625
1985	2378199951.17188
1986	3069729980.46875
1987	4009679931.64063
1988	4116310058.59375
1989	4440970214.84375
1990	5551350097.65625
1991	5794910156.25
1992	6335919921.875
1993	6434350097.65625
1994	6854239746.09375
1995	6679859863.28125
1996	6042589843.75
1997	4975339843.75
1998	4569589843.75
1999	4348689941.40625
2000	3795350097.65625
2001	3441219970.70313
2002	4547439941.40625
2003	6468970214.84375
2004	6910439941.40625
2005	7030790039.0625
2006	7575790039.0625
2007	5844799804.6875
2008	6187609863.28125
2009	6636459960.9375
2010	7445859863.28125
2011	8484270507.8125
2012	7921859863.28125
2013	6792819824.21875
2014	6506169921.875
2015	5149359863.28125
2016	5635259765.625
2017	6642239746.09375
2018	7363479980.46875
2019	7413660156.25
2020	10360360351.5625
2021	10107959960.9375
2022	6949240063.661711