Year	current US$
1970	5560000.037774452
1971	5240000.152960423
1972	7449999.997392293
1973	13839999.632909887
1974	16219999.60951508
1975	24029999.83169137
1976	25249999.28288163
1977	30679999.7016787
1978	31870000.42200089
1979	40389999.88883733
1980	45819999.95186925
1981	39240000.089630455
1982	21810000.430792563
1983	20810000.246390693
1984	15360000.081360336
1985	19630000.06414949
1986	16239999.920129767
1987	23459999.861195687
1988	16640000.026673073
1989	11360000.05155801
1990	29390000.31538307
1991	61440000.88796022
1992	67829999.91625544
1993	34960000.261664376
1994	19729999.758303173
1995	29270000.08709729
1996	34749999.6572733
1997	24249999.627470955
1998	30950000.638142224
1999	29669999.55661595
2000	26510000.100359328
2001	18570000.292733315
2002	17419999.925419696
2003	29090000.065043535
2004	45669999.95894731
2005	306530004.24429774
2006	56500000.52154063
2007	69479999.74340208
2008	178470002.06261826
2009	70819999.39680097
2010	78389998.42852362
2011	96080000.93325964
2012	57280001.31994493
2013	66770001.351833284
2014	57729999.35224649
2015	99749999.7466802
2016	118979996.18202454
2017	89999998.62164252
2018	95869998.9337474
2019	97940000.43906273
2020	89869998.54445465
2021	90529999.9322742
2022	78160001.53496867