Year	current US$
1993	1642337314.22042
1994	806119946.233006
1995	633574818.087177
1996	427779526.973646
1997	808249418.729376
1998	1039855679.04197
1999	539973990.660989
2000	882772818.026581
2001	530691816.250428
2002	641506157.489621
2003	1355355333.23014
2004	2819989074.05683
2005	4411274723.30558
2006	6188460833.35276
2007	7285087336.66778
2008	10717487409.5628
2009	6676884826.83503
2010	7903167683.62498
2011	11804351395.5374
2012	11689104943.512
2013	11508376414.5298
2014	11431320178.0443
2015	8570190131.20589
2016	5817671685.48894
2017	7412477964.46134
2018	8575728908.77129
2019	8437469644.73791
2020	7164912398.24333
2021	8753582329.97564