Year	current US$
1986	4370370.388
1987	1962962.985
1988	1814814.806
1989	2099999.905
1990	162962.962962963
1991	200000
1992	122222.222222222
1993	18518.5185185185
1994	444444.444444444
1995	151851.851851852
1996	62962.962962963
1997	122222.222222222
1998	7407.40740740741
1999	7407.40740740741
2000	11111.1111111111
2001	6666.66666666667
2002	6233.33333333333
2003	6296.2962962963
2004	6629.62962962963
2005	17034600.698246
2006	19720991.282364
2007	19544282.9449772
2008	20428837.7369773
2009	20549813.378562
2010	25800677.3671256
2011	21857082.2195468
2012	20510952.0058734
2013	23594967.6419583
2014	24816579.637037
2015	24805920.9185186
2016	21161683.9740741
2017	20317892.4577778
2018	14322031.001216
2019	25718457.7518519
2020	13328885.2592593
2021	12361193.4407407
2022	12217742.1740741