Year	current US$
1985	33388.0186
1986	1230126.262
1987	1354244.59
1988	345813.7214
1989	793082.8333
1992	204010.8591
1993	321370.1546
1994	724057.2572
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0
2022	0
2023	0