Year	current US$
1980	18503245.285322484
1981	22606627.01941197
1982	20411137.570580717
1983	19970495.79072885
1984	21882348.406167857
1985	25823143.001515917
1986	35502016.40129562
1987	59610384.60054778
1988	79702765.29930878
1989	77419494.00634803
1990	80463907.2185563
1991	80401687.8932874
1992	80226226.60788609
1993	74253380.05486584
1994	79954759.62032199
1995	114470385.35110644
1996	112281787.46509664
1997	131386622.51606755
1998	124774096.7414307
1999	130394708.88548593
2000	129011858.83325706
2001	125226723.09872922
2002	128203231.91049209
2003	158790865.8393427
2004	218044359.01854396
2005	313220132.2109593
2006	488533694.3900599
2007	657484027.3051524
2008	613949836.7355448
2009	565372359.1690962
2010	673077167.0058041
2011	750024635.493791
2012	706230429.2589401
2013	727603549.2431505
2014	714244586.6437671
2015	689955708.9026016
2016	639419597.6138991
2017	737148240.3932867
2018	754068459.1093538
2019	860577769.7100332
2020	689742222.1104207
2021	808455579.0210432
2022	747500801.1946799