Year	constant 2021 US$
1960	148009994.506836
1961	181000000
1962	197380004.882813
1963	183759994.506836
1964	118930000.30517599
1965	151710006.71386698
1966	174529998.779297
1967	188440002.44140598
1968	295540008.544922
1969	247210006.71386698
1970	272989990.234375
1971	276570007.324219
1972	260890014.648438
1973	331109985.35156304
1974	542030029.296875
1975	523190002.441406
1976	546210021.972656
1977	393309997.558594
1978	429399993.89648396
1979	520549987.792969
1980	522169982.910156
1981	657789978.027344
1982	547789978.027344
1983	935479980.46875
1984	1064300048.82813
1985	2033469970.70313
1986	1464479980.46875
1987	1233680053.71094
1988	1791010009.76563
1989	1330810058.59375
1990	1615170043.94531
1991	1719280029.29688
1992	1731550048.82813
1993	1662310058.59375
1994	1598859985.35156
1995	1196900024.41406
1996	1120660034.17969
1997	868049987.792969
1998	1011669982.91016
1999	975739990.234375
2000	1101900024.41406
2001	1780010009.76563
2002	2053000000
2003	2254320068.35938
2004	2330800048.82813
2005	2420620117.1875
2006	2408520019.53125
2007	2418750000
2008	2974540039.0625
2009	3069139892.57813
2010	3799300048.82813
2011	3615429931.64063
2012	3418760009.76563
2013	4032840087.89063
2014	3679389892.57813
2015	3635459960.9375
2016	4662359863.28125
2017	4629129882.8125
2018	5317459960.9375
2019	5117689941.40625
2020	5648850097.65625
2021	4070649902.34375
2022	4993240234.375