Year	current US$
1990	27893367530.3009
1991	18310295697.4205
1992	10133558071.159
1993	17522638233.0042
1994	24358123582.1785
1995	23648356096.5778
1996	30277392421.5089
1997	34979546558.0193
1998	30005253514.5048
1999	25569209231.2862
2000	26079467592.0917
2001	22494867949.2079
2002	27993937448.4942
2003	32368991729.4858
2004	45365984410.9673
2005	43727111328.9238
2006	48563920250.9297
2007	48235145608.3411
2008	64271278395.6172
2009	85680989865.5781
2010	82730472938.8534
2011	117890422706.603
2012	159486107919.147
2013	150588578631.611
2014	119076803267.583
2015	96691581782.5225
2016	62391900170.9842
2017	83490758400.6472
2018	84595058912.9391
2019	84976329194.1574
2020	93102818514.1079
2021	98842152393.1245