Year	current US$
1980	188865117.91716465
1981	174747538.12758034
1982	163762726.9350669
1983	170538816.19047645
1984	164374672.06281424
1985	175081573.62963125
1986	248478955.43165267
1987	300388625.5591114
1988	317278381.34440726
1989	303906894.4734123
1990	382351617.51868415
1991	377448758.19394004
1992	407065548.08633596
1993	403054553.7864822
1994	284071409.5105471
1995	354621302.7143044
1996	352478764.582782
1997	324347104.1076282
1998	329384313.6178209
1999	340373853.39081013
2000	312501887.3579422
2001	336866161.98518157
2002	379098052.65930057
2003	486713661.79770595
2004	563982332.5569154
2005	581905738.0425756
2006	621587681.7415636
2007	696961622.8932127
2008	820364647.4400476
2009	813047019.4851515
2010	825884003.7156239
2011	955631434.8534305
2012	982559537.5234776
2013	1065587637.1619456
2014	1085264466.3661864
2015	901330835.8695916
2016	938002137.637526
2017	992370565.4472234
2018	1094648560.9543684
2019	1122021368.3009708
2020	1225331729.4239013
2021	1256953114.7523303
2022	1239697651.7580073
2023	1353200540.4689946