Year	current US$
1980	37603233.17518889
1981	37893106.82485825
1982	41971562.65591219
1983	59716193.0160008
1984	78182001.41086365
1985	60283687.94326241
1986	41260413.164481305
1987	46809711.51307704
1988	52755061.000134066
1989	54032160.769376606
1990	74577139.92824192
1991	80560530.08595988
1992	89459573.86764498
1993	86518452.71876362
1994	99359993.12744297
1995	104432214.50169921
1996	112684503.08362947
1997	133416760.16225079
1998	110925951.34001216
1999	100174317.25740848
2000	106572542.8197819
2001	97899354.83870968
2002	111107652.41707313
2003	136092260.94486755
2004	166437069.50532246
2005	179247111.4207166
2006	181334498.81021774
2007	214755338.62111044
2008	274566820.09336495
2009	299604182.40318584
2010	326760516.0568611
2011	351238321.0184577
2012	383721495.07488865
2013	391908400.9836846
2014	397180775.7252175
2015	336446281.858453
2016	381590228.16317123
2017	419436566.58634794
2018	380501974.31126034
2019	471496742.4225917
2020	142763043.85508755
2021	89015783.10225897
2022	156448956.99553922