Year	current US$
1966	3079999.92370605
1967	1360000.01430511
1968	1110000.01430511
1969	1000000
1970	2000000
1971	2000000
1972	4000000
1973	7000000
1974	4000000
1975	5000000
1976	6000000
1977	3000000
1978	11000000
1979	6000000
1980	12000000
1981	14000000
1982	17000000
1983	13000000
1984	13000000
1985	11000000
1986	10000000
1987	21000000
1988	16000000
1989	15000000
1990	15000000
1991	12000000
1992	7000000
1993	12000000
1994	12000000
1995	13000000
1996	7000000
1997	9000000
1998	3750000
1999	3630000.1144409203
2000	990000.009536743
2001	-250000
2002	22389999.3896484
2003	13279999.7329712
2004	21139999.3896484
2005	17959999.084472697
2006	24750000
2007	44840000.1525879
2008	231889999.38964802
2009	214399993.89648402
2010	74300003.0517578
2011	76639999.3896484
2012	49189998.626709
2013	74330001.8310547
2014	56909999.8474121
2015	50279998.779296905
2016	67279998.7792969
2017	55380001.0681152
2018	54520000.4577637
2019	44610000.6103516
2020	53720001.220703095
2021	54979999.5422363
2022	51869998.9318848