Year	current US$
1980	1140754159.62491
1981	1194168729.36789
1982	1354835834.67786
1983	1493837519.44751
1984	1767139565.11377
1985	2021400689.53879
1986	2146297250.71968
1987	2382825880.73832
1988	2492371599.45963
1989	2766415102.33287
1990	2807793551.75886
1991	2766118408.28004
1992	2856729553.26022
1993	2783931904.03614
1994	2910566715.54084
1995	3670547027.83411
1996	4234540426.8662
1997	5829380504.28761
1998	6260545893.6934
1999	7089020574.30549
2000	7406607195.56887
2001	7582558425.0036
2002	8124261106.47614
2003	8129848272.90283
2004	8305966095.60158
2005	9010928782.26448
2006	9240894270.10506
2007	9672364878.03117
2008	9700832949.45657
2009	9108831066.9998
2010	9120437520.44459
2011	9107001115.06643
2012	9734570944.23857
2013	9482666079.69604
2014	9881180749.59395
2015	10367560246.349
2016	10378762091.5885
2017	11077632309.5897
2018	11074680236.8632
2019	11709113685.7282
2020	8673477613.15812
2021	9868277248.65157