Year	current US$
1976	216866658.43501297
1977	246696536.62278193
1978	312009443.03150517
1979	378084839.3844874
1980	234634498.53285116
1981	288478474.1122461
1982	195906204.15633866
1983	190411918.47055405
1984	229342291.95773754
1985	252550059.46906337
1986	320799432.18500507
1987	481355454.7186152
1988	662091239.402503
1989	678961193.3087239
1990	801629929.2755855
1991	806264392.4461492
1992	937193540.0464995
1993	996616754.5660208
1994	1130752584.2873921
1995	1033539345.9120756
1996	1091279991.321628
1997	1230618848.8548698
1998	1074883712.3035595
1999	1159969761.5418968
2000	1211614645.0923097
2001	956444451.829154
2002	1067601692.1433816
2003	1377317278.0292082
2004	1604768060.7648768
2005	1470871056.6532342
2006	1797492101.9310322
2007	2117829997.2382655
2008	2532155140.376507
2009	2169537982.0900006
2010	2711503228.9081483
2011	2758243500.040932
2012	2844894497.7386336
2013	2646365023.9836297
2014	2493075398.337064
2015	2100368831.065103
2016	2175377145.8872905
2017	2422899900.1432886
2018	2781042246.2162294
2019	2805839635.2411294
2020	2077976446.0930157
2021	2273114672.3141003
2022	2640463393.256761
2023	3357550634.040412