Year	current US$
1962	2000000
1963	3000000
1964	3000000
1965	3900000.09536743
1966	4809999.94277954
1967	5780000.20980835
1968	5000000
1969	3000000
1970	4000000
1971	6000000
1972	5000000
1973	5000000
1974	9000000
1975	10000000
1976	9000000
1977	9000000
1978	23000000
1979	23000000
1980	16000000
1981	63000000
1982	110000000
1983	109000000
1984	99000000
1985	101000000
1986	104000000
1987	89000000
1988	60000000
1989	90000000
1990	104000000
1991	54000000
1992	66000000
1993	60000000
1994	43000000
1995	28000000
1996	-7000000
1997	-23000000
1998	-11659999.8474121
1999	-15300000.1907349
2000	-26149999.6185303
2001	-17840000.1525879
2002	-10989999.7711182
2003	1179999.94754791
2004	11640000.3433228
2005	17770000.4577637
2006	9380000.11444092
2007	-5539999.96185303
2008	-889999.985694885
2009	-2049999.9523162802
2010	-3799999.95231628
2011	-490000.009536743
2012	2089999.9141693101
2013	1340000.0333786
2014	10270000.4577637
2015	13909999.8474121
2016	14100000.3814697
2017	23489999.7711182
2018	27569999.6948242
2019	16950000.762939498
2020	13369999.8855591
2021	24479999.5422363
2022	33409999.847412102