Year	current US$
1990	8593939393.939394
1991	3917000000
1992	359575645.75645757
1993	1847241810.452613
1994	1388798420.6085114
1995	2923047119.7189565
1996	4088215908.575733
1997	4806950412.445504
1998	5714784181.959162
1999	5400511872.704126
2000	5285020299.922555
2001	5469029342.318459
2002	6852341785.95381
2003	9133570772.573528
2004	10998314839.991207
2005	12461009433.892414
2006	15841825741.93151
2007	21345516498.781063
2008	29615759110.050877
2009	32257586935.77744
2010	36138923498.629456
2011	44619760259.140976
2012	50388152409.803406
2013	57729678882.30188
2014	63076163993.74257
2015	51490292456.108154
2016	36814996597.151634
2017	38131312984.59464
2018	39921483138.1098
2019	42845176470.588234
2020	43022058823.52941
2021	45674705882.352936
2022	52807764705.882355
2023	61885235294.117645