Year	current US$
1981	159999.99642372102
1982	330000.013113022
1983	389999.98569488496
1984	1450000.04768372
1985	1210000.03814697
1986	1659999.9666214
1987	1590000.0333786
1988	500000
1989	3369999.8855590797
1990	3509999.99046326
1991	2759999.99046326
1992	2309999.94277954
1993	550000.011920929
1994	189999.99761581398
1995	1840000.0333786
1996	3160000.08583069
1997	579999.983310699
1998	-449999.988079071
1999	150000.005960464
2000	430000.00715255697
2001	490000.009536743
2002	370000.00476837205
2003	360000.01430511504
2004	2779999.97138977
2005	5059999.94277954
2006	5559999.94277954
2007	5960000.03814697
2008	8359999.65667725
2009	8409999.84741211
2010	10069999.6948242
2011	13770000.4577637
2012	5679999.82833862
2013	16909999.8474121
2014	8779999.73297119
2015	6674473.76251221
2016	7141443.72940063
2017	21373634.3383789
2018	16341882.7056885
2019	20039953.231811497
2020	5889622.68829346
2021	20774000.167846702
2022	26954359.0545654