Year	current US$
1990	39252440620.7654
1991	33619019953.0611
1992	25139430192.6313
1993	13286383268.4079
1994	30070751180.5267
1995	44345442211.0744
1996	47881770021.4373
1997	44083162399.2194
1998	44782593889.1498
1999	46494617080.8871
2000	46161022672.1027
2001	41708137290.659
2002	42965206163.1933
2003	59703943746.0691
2004	71131739172.3116
2005	73481770606.4741
2006	89574070893.7597
2007	110072080256.096
2008	110662067061.682
2009	69063918334.8615
2010	88631213397.0233
2011	102768262828.493
2012	97014566543.5464
2013	101485424074.446
2014	102117951693.293
2015	88976501584.8117
2016	89788388202.5265
2017	100629880135.985
2018	102340873087.428
2019	108030184088.23
2020	111188118453.095
2021	129163475323.225