Year	current US$
1969	9659999.84741211
1970	5850000.21010637
1971	16750000
1972	3250000.02793968
1973	3500000
1974	4730000.01907349
1975	1049999.95231628
1976	1710000.03814697
1977	2400000.09536743
1978	1220000.02861023
1979	3200000.10356307
1980	6659999.98152256
1981	3519999.98092651
1982	2470000.02861023
1983	879999.995231628
1984	550000.011920929
1985	3299999.95231628
1986	469999.998807907
1987	930000.007152557
1988	1429999.94754791
1989	2119999.8855590797
1990	2730000.01907349
1991	2889999.98569489
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	7489999.96483326
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