Year	current US$
1990	26335904942.2554
1991	29489207243.6199
1992	32393796897.4962
1993	37094001188.3556
1994	40528889905.8815
1995	47216170130.9102
1996	48874236057.6423
1997	51888640049.1641
1998	55402362349.7897
1999	55980642335.8528
2000	62116988923.2114
2001	68488294139.0697
2002	76783233307.854
2003	92791002920.8458
2004	113066008724.761
2005	135517273074.09
2006	157871160157.32
2007	180097104298.163
2008	193220993217.796
2009	213181233213.053
2010	242198317493.303
2011	276883488530.587
2012	296466367705.951
2013	322755089894.014
2014	336932150887.569
2015	342898231400.248
2016	354614394232.166
2017	377763334520.108
2018	411491610734.29
2019	436628864961.731
2020	439495848769.935
2021	482501204649.873