Year	current US$
1970	16159999.735653397
1971	21629999.753087748
1972	56990000.44539575
1973	61460000.33989554
1974	74590001.21057044
1975	145070000.76770777
1976	135629999.92072576
1977	187929998.96407127
1978	189730001.09195706
1979	309710004.85122204
1980	285100003.68952745
1981	251069997.93276188
1982	259779993.53036278
1983	237149999.38011163
1984	207000001.9334256
1985	221349995.93906108
1986	355579999.01473534
1987	330129996.25504005
1988	449719998.4919274
1989	435870001.14098185
1990	527210004.62956786
1991	656270004.3022633
1992	563739995.9526956
1993	459859997.1216172
1994	381730001.0938196
1995	374510003.0973553
1996	440250002.3692846
1997	377189998.9098309
1998	308570001.27807266
1999	349269998.8335369
2000	417810001.6638636
2001	386350000.23990875
2002	395939998.3566255
2003	658919997.6138769
2004	663179994.9724227
2005	775280004.1195006
2006	822409994.8368962
2007	849880003.0332049
2008	986299997.2403051
2009	891070008.9484454
2010	888800009.4406306
2011	1250969996.4784095
2012	1001609990.9562616
2013	1148939998.5969057
2014	1066879998.8292158
2015	898549999.5443975
2016	903940003.0765678
2017	1103039995.0705464
2018	1271760001.2514741
2019	1169209997.475147
2020	1191829998.6161294
2021	1457809991.2349129
2022	1117539998.3599782