Year	current US$
1980	4139999.8664856004
1981	4770000.096410515
1982	13350000.083446492
1983	18529999.554157257
1984	15020000.278949736
1985	29550000.39935113
1986	34039999.23914671
1987	30569999.635219574
1988	1179999.7836351315
1989	11779999.762773521
1990	25910000.592470177
1991	7510000.109672535
1992	8469999.74921346
1993	13049999.98025596
1994	650000.0674277528
1995	3200000.0849366114
1996	6740000.069141392
1997	3370000.0047683734
1998	3890000.548213727
1999	11339999.858289964
2000	15919999.722391376
2001	3399999.886751185
2002	1689999.9305605867
2003	4850000.02197922
2004	2770000.0070035453
2005	12840000.08553267
2006	1339999.8247623486
2007	10609999.9845028
2008	24149999.782443054
2009	6829999.65548515
2010	5470000.237226479
2011	6670000.284910198
2012	7999999.493360496
2013	3859999.8652935056
2014	3140000.0452995347
2015	6722208.850085734
2016	10584115.743637126
2017	27759360.693395153
2018	26261282.801628117
2019	14063385.829329489
2020	7155618.116259574
2021	-10373000.39827822
2022	-9683329.708874203