Year	current US$
1980	1964847.816143833
1981	1817947.827570211
1982	1703684.5255997116
1983	1774163.1133788398
1984	1710052.4582779862
1985	1821429.244549442
1986	2585013.1380479154
1987	3125057.317338747
1988	3300738.2938000835
1989	3161640.310535493
1990	3977732.0728227706
1991	3926706.3422217155
1992	4234825.916328743
1993	4193097.3486455614
1994	2955279.020830849
1995	3689230.2184855356
1996	3666949.9800229366
1997	3374286.7602451914
1998	3426697.302978033
1999	3541025.6432467266
2000	3251062.1400454636
2001	3504531.5180038707
2002	3943875.405806495
2003	5063444.208650509
2004	5867296.393546167
2005	6053750.923658497
2006	6466569.216452857
2007	6975410.499634698
2008	5076232.713413411
2009	12190970.659486264
2010	2837543.0071343565
2011	-7220533.8832762055
2012	-5531221.113374013
2013	1560371.0333390874
2014	-396956.1328125244
2015	1368939.9871210938
2016	861731.0636753085
2017	1187161.4927834289
2018	1291453.608427483
2019	1274282.157608178
2020	10350089.526184881
2021	3125331.6983649386