Year	current US$
1970	49609999.71628189
1971	52749999.82118604
1972	42660000.40248033
1973	53110000.610351525
1974	68289999.84264378
1975	99469999.87959865
1976	87779998.89850624
1977	108580000.16212463
1978	91529998.25775625
1979	148439999.64371324
1980	117330001.05619432
1981	164020000.69618225
1982	162580001.23500815
1983	156840000.28111044
1984	144069999.6948242
1985	199190002.67982486
1986	155869998.33583814
1987	152880003.98874286
1988	188810001.85012814
1989	151800002.36630443
1990	178400000.0953675
1991	259449995.6965443
1992	265040000.67710873
1993	293729993.6115743
1994	215719996.06676385
1995	112509999.75204472
1996	33819999.82893467
1997	40729999.653995045
1998	38939999.97153875
1999	34410000.503063194
2000	38290000.73671341
2001	38119999.40872191
2002	42460000.15735621
2003	39419999.77827074
2004	29729999.810457274
2005	75460001.57669184
2006	79119998.60405923
2007	22529999.710619442
2008	46369999.93212527
2009	52830000.44897201
2010	26520000.085234646
2011	86369999.70674515
2012	52489472.73194781
2013	83092680.96089363
2014	70529680.31680207
2015	78177870.12457846
2016	86948697.12740175
2017	67608579.84796175
2018	47832969.427108735
2019	81349711.83491868
2020	78468240.18191552
2021	75672231.17500535
2022	107880878.95512572