Year	current US$
1960	219999.998807907
1962	3000000
1963	2000000
1964	2000000
1965	4579999.92370605
1966	3660000.08583069
1967	4530000.20980835
1968	3839999.91416931
1969	4000000
1970	5000000
1971	5000000
1972	3000000
1973	2000000
1974	1000000
1980	13000000
1981	8000000
1982	2000000
1983	4000000
1984	3000000
1985	5000000
1986	3000000
1987	14000000
1988	17000000
1989	20000000
1990	30000000
1991	35000000
1992	22000000
1993	57000000
1994	51000000
1995	49000000
1996	29000000
1997	36000000
1998	35750000
1999	47400001.5258789
2000	57919998.1689453
2001	66480003.356933594
2002	109349998.47412099
2003	174020004.272461
2004	207710006.71386698
2005	228820007.32421902
2006	246220001.220703
2007	301570007.324219
2008	352880004.88281304
2009	366880004.88281304
2010	342679992.675781
2011	392029998.779297
2012	380820007.324219
2013	459079986.57226604
2014	470070007.324219
2015	409869995.11718804
2016	538710021.972656
2017	639979980.46875
2018	611409973.144531
2019	516500000
2020	642260009.765625
2021	630780029.296875
2022	615969970.703125