Year	current US$
1990	706437500
1991	706444444.4444445
1992	744553125
1993	509280303.030303
1994	344293706.2937063
1995	142407407.4074074
1996	144405826.53180772
1997	241705314.70545867
1998	232735756.11071518
1999	161983523.17134106
2000	247948328.90446213
2001	269039829.0827648
2002	209511554.43163106
2003	254737035.9862352
2004	338924571.6428756
2005	316201516.6310221
2006	311534160.67083573
2007	377178772.2439579
2008	679452555.478951
2009	667313722.0333307
2010	808343247.376478
2011	1132223302.9236085
2012	797355928.5701262
2013	1156594652.151524
2014	1021352383.0760387
2015	938335742.9142715
2016	1051550913.9462721
2017	1154734246.7621636
2018	1179828914.217714
2019	1285872433.0556514
2020	1088189137.571787
2021	1091977816.5670462
2022	1655575940.8416636
2023	1762863980.5948193