Year	constant 2021 US$
1960	189999.99761581398
1961	5659999.84741211
1962	25450000.762939498
1963	34909999.8474121
1964	115360000.61035201
1965	98239997.8637695
1966	97930000.3051758
1967	104949996.94824201
1968	92839996.3378906
1969	127580001.831055
1970	170020004.272461
1971	159490005.493164
1972	159899993.89648402
1973	209369995.117188
1974	110220001.22070299
1975	222869995.117188
1976	120699996.94824201
1977	91400001.5258789
1978	126309997.558594
1979	94050003.0517578
1980	123819999.69482401
1981	107620002.746582
1982	164479995.727539
1983	179149993.89648402
1984	224949996.94824198
1985	179080001.831055
1986	172740005.493164
1987	153039993.28613302
1988	187550003.05175802
1989	238789993.28613302
1990	200750000
1991	218639999.38964802
1992	97819999.6948242
1993	149809997.55859402
1994	261799987.792969
1995	190850006.10351598
1996	166330001.831055
1997	58790000.9155273
1998	66430000.305175796
1999	73389999.3896484
2000	22120000.8392334
2001	14039999.961853001
2002	114510002.13623
2003	-13000000
2004	48849998.4741211
2005	59069999.6948242
2006	35439998.626709
2007	55130001.0681152
2008	61630001.0681152
2009	77669998.1689453
2010	103489997.86377
2011	64309997.55859381
2012	69559997.55859381
2013	86379997.253418
2014	109599998.47412099
2015	113230003.35693401
2016	47080001.8310547
2017	118540000.915527
2018	123680000.30517599
2019	127239997.86377
2020	56049999.237060495
2021	98550003.0517578
2022	145809997.55859402