Year	constant 2021 US$
1960	9630000.11444092
1961	57450000.762939505
1962	44220001.220703095
1963	78500000
1964	83930000.3051758
1965	94949996.9482422
1966	132789993.286133
1967	90069999.6948242
1968	64400001.525878906
1969	72800003.0517578
1970	81849998.4741211
1971	60770000.4577637
1972	85930000.3051758
1973	60520000.4577637
1974	42840000.1525879
1975	68739997.8637695
1976	65599998.474121094
1977	88150001.5258789
1978	95809997.55859381
1979	100430000.30517599
1980	223990005.493164
1981	304529998.779297
1982	457750000
1983	590320007.324219
1984	545929992.675781
1985	744190002.441406
1986	715989990.234375
1987	870119995.117188
1988	786210021.972656
1989	735330017.089844
1990	589549987.792969
1991	467750000
1992	601469970.703125
1993	561960021.972656
1994	426119995.11718804
1995	379040008.544922
1996	360170013.42773396
1997	376609985.35156304
1998	273470001.220703
1999	281089996.33789104
2000	275230010.986328
2001	398679992.675781
2002	385890014.64843804
2003	290320007.324219
2004	314079986.57226604
2005	266450012.207031
2006	206460006.71386698
2007	134869995.117188
2008	246149993.89648402
2009	311309997.558594
2010	335429992.675781
2011	330149993.89648396
2012	253500000
2013	177449996.94824198
2014	103709999.084473
2015	103059997.558594
2016	148720001.220703
2017	169059997.55859402
2018	270670013.42773396
2019	325850006.10351604
2020	357119995.11718804
2021	213240005.493164
2022	730419982.910156