Year	current US$
1981	3358355256.2455297
1982	3629851064.4028106
1983	2936941808.200461
1984	2411827009.0117154
1985	2587463530.7933826
1986	2630384002.8317914
1987	3065150092.560292
1988	3763286199.953306
1989	4428791019.310536
1990	4855976416.363299
1991	4937537456.83055
1992	5588431863.104552
1993	5972093886.0927
1994	7536819951.208243
1995	9216541210.051136
1996	10798200891.818386
1997	11869218437.538788
1998	9588252502.564615
1999	10141088160.31361
2000	9256125225.576883
2001	8477518726.246552
2002	8658394176.511093
2003	8644037981.944763
2004	8684060931.068117
2005	9522980308.499376
2006	11574157862.4723
2007	14399459864.158646
2008	16009180726.844995
2009	17292332858.80562
2010	20254279841.23313
2011	22750951684.704807
2012	28266850088.90261
2013	30709641264.58008
2014	31417751980.317493
2015	33438275358.197422
2016	35870924778.71858
2017	37195077071.69233
2018	41769419220.10094
2019	46981416427.27942
2020	55208486782.308334
2021	61395637111.889534
2022	60829603622.29111
2023	62289765340.916435