Year	constant 2021 US$
1960	1568579956.05469
1961	802210021.972656
1962	1262439941.40625
1963	1427560058.59375
1964	1607050048.82813
1965	847640014.648438
1966	641440002.441406
1967	234070007.32421902
1968	226119995.117188
1969	62139999.3896484
1970	1196449951.17188
1971	879299987.792969
1972	800190002.441406
1973	4425069824.21875
1974	6167149902.34375
1975	9945500000
1976	9292160156.25
1977	9320690429.6875
1978	8368879882.8125
1979	4420859863.28125
1980	3672429931.64063
1981	3346129882.8125
1982	3696610107.42188
1983	3595770019.53125
1984	4341430175.78125
1985	4188890136.71875
1986	3556649902.34375
1987	3450389892.57813
1988	2780820068.35938
1989	3074780029.29688
1990	10273740234.375
1991	8887780273.4375
1992	5872660156.25
1993	3812699951.17188
1994	4088040039.0625
1995	2753850097.65625
1996	3074620117.1875
1997	2968330078.125
1998	2991669921.875
1999	2428520019.53125
2000	2154489990.23438
2001	2070050048.82813
2002	1986390014.64844
2003	1417770019.53125
2004	1940959960.9375
2005	1334089965.82031
2006	1095729980.46875
2007	1351969970.70313
2008	1872239990.23438
2009	1049040039.0625
2010	638750000
2011	415739990.234375
2012	1661069946.28906
2013	5420160156.25
2014	3575070068.35938
2015	2956889892.57813
2016	2945629882.8125
2017	168600006.10351598
2018	2218429931.64063
2019	1858619995.11719
2020	1649130004.88281
2021	7941390136.71875
2022	6080490234.375