Year	current US$
1980	206343763.188437
1981	183046872.111633
1982	181376944.502929
1983	171028762.567886
1984	155144456.543898
1985	223179326.582734
1986	189209449.781636
1987	220824238.301472
1988	236993805.551277
1989	229850136.728221
1990	246380891.099992
1991	585743625.572856
1992	602033397.288366
1993	634922763.417102
1994	624914391.110224
1995	654397868.29477
1996	705909097.739368
1997	657613030.867217
1998	684765427.446375
1999	665079522.373226
2000	635584982.321279
2001	551749576.943264
2002	447238569.633589
2003	367734803.596599
2004	790777010.596193
2005	845070820.10453
2006	855406939.120062
2007	1036046978.83484
2008	1251056112.69686
2009	1147618774.76626
2010	1216225062.88552
2011	1055568112.12363
2012	1037438006.46134
2013	1011544027.76709
2014	914077402.163166
2015	1018306624.75767
2016	1083014873.08158
2017	1108628008.88807
2018	1319553048.94122
2019	1426013119.76093
2020	1434283006.05271
2021	1607615265.65761