Year	current US$
1970	13000000
1971	13038740.16
1972	15199939.73
1973	14305560.11
1974	129887490.25500001
1975	692136061.171
1976	835098292.4163
1977	914495381.8302
1978	1074600031.1599998
1979	1103053828.8
1980	1638235977.1560001
1981	1767247079.0630002
1982	2038573538.4839997
1983	1954699031.7958
1984	2294922140.7117996
1985	2465644463.164
1986	2365249281.1549
1987	2470654753.7439
1988	2615300209.0210004
1989	2763834749.793901
1990	2369803255.594788
1991	2038338040.7513938
1992	2705955546.7612176
1993	3477231566.37401
1994	3973463190.096409
1995	6028608305.351204
1996	6239171482.29927
1997	7082004093.326946
1998	8193142647.555724
1999	6090620093.987165
2000	6860345755.159544
2001	8396701828.586205
2002	15612109581.464127
2003	19028086616.589085
2004	25233663454.15121
2005	30281643798.828278
2006	38525697027.78783
2007	57286030525.32525
2008	73463356123.26495
2009	68539698385.88157
2010	69837545886.22247
2011	89940607279.21751
2012	99154487215.86247
2013	110145517820.31136
2014	112811044502.48784
2015	98505769793.85106
2016	94791036969.7952
2017	113157588989.70009
2018	118467917503.90965
2019	126000712639.99857
2020	113416480425.22356
2021	120617669565.34247
2022	110359032577.67635