Year	current US$
1990	34050453.1636441
1991	34969262.0798905
1992	44206605.6959108
1993	45571576.3764996
1994	45102552.2949322
1995	48765980.5083188
1996	46478522.8800152
1997	50827228.4479274
1998	62998471.5312724
1999	68518888.9786444
2000	74803293.3697119
2001	75104474.3440782
2002	81215634.8145926
2003	82370502.4918344
2004	87587871.0410224
2005	99579538.761988
2006	100302300.0625
2007	111254036.35076
2008	117817673.610021
2009	115717230.145852
2010	96308674.2717511
2011	115734145.228391
2012	105948868.189078
2013	175203594.856733
2014	235358583.422242
2015	241671085.095156
2016	238093609.009275
2017	274267287.521777
2018	286396628.409488
2019	295647175.626687
2020	295990892.691525
2021	372959744.622985