Year	current US$
1960	9939999.5803833
1961	10109999.6566772
1962	3180000.0667572
1963	8710000.03814697
1964	8670000.07629395
1965	9289999.96185303
1966	9270000.45776367
1967	12180000.3051758
1968	10539999.961853001
1969	14029999.7329712
1970	13239999.7711182
1971	16129999.160766602
1972	14819999.6948242
1973	14649999.6185303
1974	21799999.237060502
1975	16500000
1976	22180000.3051758
1977	31840000.1525879
1978	29870000.8392334
1979	24420000.0762939
1980	30420000.0762939
1981	44060001.373291
1982	72190002.44140631
1983	44279998.779296905
1984	40810001.373291
1985	33500000
1986	52880001.0681152
1987	59330001.8310547
1988	64569999.694824204
1989	92870002.746582
1990	58319999.6948242
1991	133619995.117188
1992	72080001.8310547
1993	106279998.77929701
1994	90330001.8310547
1995	121309997.558594
1996	71980003.3569336
1997	82019996.6430664
1998	60689998.626709
1999	74040000.9155273
2000	80190002.44140631
2001	68889999.3896484
2002	65989997.8637695
2003	65500000
2004	34549999.237060495
2005	63619998.9318848
2006	68989997.8637695
2007	122160003.662109
2008	140050003.05175802
2009	163160003.66210902
2010	112360000.61035201
2011	79980003.3569336
2012	104569999.69482401
2013	130710006.713867
2014	62419998.1689453
2015	60180000.3051758
2016	88540000.9155273
2017	142750000
2018	164639999.38964802
2019	127449996.94824201
2020	304730010.986328
2021	175139999.38964802
2022	96720001.2207031