Year	current US$
1961	1000000
1962	2000000
1963	3000000
1964	3000000
1965	6699999.80926514
1966	4489999.771118159
1967	2619999.8855590797
1968	2700000.04768372
1969	2000000
1970	8000000
1971	4000000
1972	3000000
1973	3000000
1974	1000000
1975	5000000
1976	4000000
1977	6000000
1978	4000000
1979	11000000
1980	10000000
1981	12000000
1982	11000000
1983	11000000
1984	10000000
1985	15000000
1986	18000000
1987	20000000
1988	23000000
1989	28000000
1990	39000000
1991	53000000
1992	28000000
1993	22000000
1994	8000000
1995	3000000
1996	1000000
1997	2000000
1998	7019999.98092651
1999	4480000.01907349
2000	2529999.97138977
2001	4780000.20980835
2002	13100000.3814697
2003	16870000.8392334
2004	17200000.762939498
2005	13750000
2006	13550000.1907349
2007	30649999.6185303
2008	16090000.152587902
2009	31420000.0762939
2010	18379999.1607666
2011	19319999.6948242
2012	26719999.3133545
2013	36479999.5422363
2014	40650001.5258789
2015	81300003.0517578
2016	78819999.6948242
2017	84699996.9482422
2018	109699996.94824201
2019	88860000.6103516
2020	201080001.831055
2021	141059997.55859402
2022	162000000