Year	current US$
1990	9572903.20259034
1991	10375495.3423851
1992	10984671.7183778
1993	11357839.0353737
1994	10689890.6413313
1995	14522784.1639194
1996	16713167.4739781
1997	18377271.5235177
1998	21570128.8395117
1999	22898799.6845729
2000	24130094.6353909
2001	25228893.1905172
2002	30027615.471025
2003	32990227.2234006
2004	35961770.3653251
2005	46997816.9484467
2006	58857095.5341547
2007	73911819.1914034
2008	79708087.6161117
2009	92794719.7711422
2010	95165545.6581586
2011	111558167.910075
2012	117444782.593293
2013	119280676.373834
2014	138386815.58847
2015	164127698.165381
2016	177762186.853679
2017	193446372.738241
2018	229587454.699696
2019	238964481.192488
2020	259349167.020722
2021	291980700.64416