Year	current US$
1987	231719774992.0475
1988	255834060621.47043
1989	289097626779.4978
1990	346940936294.6886
1991	333725379317.1366
1992	323228048625.08167
1993	342532323683.7235
1994	273360968932.8171
1995	306497135631.63214
1996	324891746056.1261
1997	344755415289.8801
1998	419693866241.01794
1999	382648784206.4728
2000	390254644017.59686
2001	334433492950.2106
2002	389028550190.813
2003	495996118252.84045
2004	639128690749.53
2005	796047189589.7754
2006	925984007321.0376
2007	1165481350733.462
2008	1395064178011.7087
2009	1163141205236.0854
2010	1377629393492.266
2011	1566799086233.3994
2012	1652506728905.0164
2013	1802285899175.5002
2014	1729714204725.0544
2015	1507646946545.9277
2016	1447395306947.5278
2017	1485108260761.974
2018	1459981302399.6614
2019	1488770219744.9639
2020	1428327223229.5327
2021	1659440839146.6958
2022	1803038234535.201
2023	2098349713814.253