Year	current US$
1969	10989999.8903275
1970	6800000.19818544
1971	19039999.961852998
1972	4029999.9993294505
1973	6549999.9523162795
1974	7250000
1975	4619999.88555908
1976	3000000
1977	5759999.990463261
1978	6930000.0667572
1979	7819999.98912215
1980	10459999.9338388
1981	5059999.94277954
1982	6959999.79972839
1983	2129999.9952316303
1984	770000.010728836
1985	4039999.96185303
1986	2099999.99403954
1987	1409999.99642372
1988	1719999.93920326
1989	2139999.88511205
1990	26539999.485015903
1991	4379999.94307756
1992	22200000.0476837
1993	194560004.293919
1994	182699995.011091
1995	124950002.759695
1996	42330000.914633304
1997	-40560001.224279396
1998	669999.979436398
1999	12770000.2193451
2000	12190000.0423193
2001	20280000.045895603
2002	11390000.0471622
2003	7549999.963492161
2004	5420000.01482666
2005	6559999.8831749
2006	5330000.05222857
2007	8189999.938011169
2008	10980000.019073501
2009	4050000.01005828
2010	8509999.84145164
2011	7260000.16927719
2012	3894126.8540147603
2013	3826200.94716549
2014	5034870.02849579
2015	2705914.96024281
2016	10584714.204073
2017	2220699.9370828304
2018	261821.73607230702
2019	2276889.91464674
2020	1798961.39353514
2021	1136450.01500845
2022	4019471.7645645128