Year	current US$
1960	176729995.727539
1961	267429992.675781
1962	270829986.57226604
1963	256820007.324219
1964	316929992.675781
1965	291220001.220703
1966	302459991.455078
1967	287260009.765625
1968	258489990.234375
1969	236119995.117188
1970	263329986.572266
1971	323480010.986328
1972	306160003.66210896
1973	275660003.66210896
1974	360339996.33789104
1975	381049987.792969
1976	407059997.558594
1977	381440002.441406
1978	622219970.703125
1979	876659973.144531
1980	915380004.882813
1981	925690002.441406
1982	583020019.53125
1983	531960021.972656
1984	477739990.234375
1985	451040008.544922
1986	615880004.882813
1987	508040008.544922
1988	762380004.882813
1989	831859985.351563
1990	755960021.972656
1991	1062570068.35938
1992	1104319946.28906
1993	888260009.765625
1994	1011929992.67578
1995	996880004.882813
1996	1040270019.53125
1997	1071000000
1998	1212979980.46875
1999	1308799926.75781
2000	1444320068.35938
2001	1381280029.29688
2002	2012989990.23438
2003	2118989990.23438
2004	2709219970.70313
2005	5676939941.40625
2006	5616419921.875
2007	2062790039.0625
2008	3486189941.40625
2009	2935060058.59375
2010	2996780029.29688
2011	2772629882.8125
2012	3028800048.82813
2013	3634850097.65625
2014	3510610107.42188
2015	3663520019.53125
2016	3587580078.125
2017	3339939941.40625
2018	3289000000
2019	3474739990.23438
2020	2908159912.10938
2021	2268850097.65625
2022	1512459996.1210039