Year	current US$
1990	3848683745.583039
1991	4080545918.367347
1992	2071769396.975054
1993	2361402241.3793106
1994	3206467725.68722
1995	3982713790.63242
1996	4237507370.674751
1997	3912350135.490515
1998	3914833191.2243776
1999	3975062101.695573
2000	3485637648.54648
2001	3551090255.3756933
2002	3942064024.076411
2003	4838826839.635422
2004	5592762086.926934
2005	6032077594.525555
2006	6556627345.071338
2007	7848567768.564759
2008	9630912701.808697
2009	9009043532.879107
2010	8827052593.210358
2011	9658241735.26042
2012	9018182197.837765
2013	9655516711.138803
2014	9875739308.701048
2015	8637239177.612432
2016	8788584957.669981
2017	9223502709.883085
2018	10163718930.630348
2019	10022039339.584183
2020	10232577467.721685
2021	11706021850.380938
2022	11639028195.119804
2023	13234401443.358261