Year	current US$
1990	51227463482.982254
1991	54825978258.24481
1992	51918505416.4297
1993	51992954967.32775
1994	59547371360.99056
1995	71985955775.58354
1996	73352627903.64317
1997	76212683606.76465
1998	74263425094.8886
1999	69221898089.78064
2000	75491542104.53401
2001	70350234591.88098
2002	75137986153.98602
2003	94594880484.03867
2004	120611657032.13866
2005	146328456032.54797
2006	171421069853.6827
2007	211752443110.93692
2008	257319489310.28036
2009	226903533911.7043
2010	256161789121.9908
2011	305446616472.67804
2012	317708300583.2639
2013	329388374568.9531
2014	323962180729.56464
2015	277986462871.0264
2016	236040212577.3244
2017	259070148807.96436
2018	289144794439.35065
2019	269375694662.52454
2020	225512730676.93585
2021	286757012495.7448
2022	354966064141.53314
2023	349197388292.11414