Year	current US$
1979	1240000.0095367401
1980	21809999.722987413
1981	33070000.26106836
1982	31850000.50067895
1983	30189999.93801117
1984	41730000.61512001
1985	77710002.36272815
1986	75810001.07526778
1987	95249999.40395355
1988	26509999.51362611
1989	32790000.155568153
1990	63640000.49233441
1991	17470000.028610226
1992	14929999.500513077
1993	8039999.976754187
1994	10939999.941736465
1995	13449999.898672104
1996	29030000.478029244
1997	24019999.921321858
1998	23779999.729245905
1999	20810000.10669235
2000	17450000.46119094
2001	17069999.754428875
2002	16630000.02503396
2003	15530000.165104864
2004	9179999.893531201
2005	18359999.986365434
2006	46249999.374151304
2007	26930000.32007695
2008	15459999.859333038
2009	37949999.77946278
2010	56880000.35285959
2011	82670001.14917757
2012	53930000.72240837
2013	62109999.954700485
2014	50589999.79496005
2015	70281492.2630787
2016	124939059.37671666
2017	87011168.73323911
2018	88218045.3622714
2019	126770527.21381187
2020	74301890.36577938
2021	102362999.94587888
2022	131128886.89339164