Year	constant 2015 US$
1981	680396860.3268442
1982	767158879.0308864
1983	783712162.670966
1984	763163227.7230326
1985	830517969.3659719
1986	868190916.1010363
1987	756313633.0878167
1988	774008473.6661025
1989	833607131.616213
1990	974943643.2480446
1991	878640914.1748666
1992	859811206.8267101
1993	852673628.9097314
1994	868470411.3240316
1995	870557417.8552253
1996	888935243.328744
1997	928361542.4604073
1998	976272233.5240498
1999	1004221944.3726517
2000	840235700.3295614
2001	679328208.5968186
2002	604657802.0615786
2003	633585299.2557284
2004	736407754.8343456
2005	819439693.9533701
2006	872958076.9392014
2007	999024645.8108265
2008	1045705139.1265235
2009	1083699540.387917
2010	903833482.3927659
2011	900972193.1624144
2012	1090638257.3309114
2013	1299797793.1551692
2014	1477622291.3446963
2015	1635988287.1620421
2016	1724334578.8077533
2017	1719306867.2861736
2018	1831204549.6360419
2019	1927337134.6497927
2020	2039617867.6460476
2021	1926775725.14182
2022	2158242836.8207455
2023	1966121705.152682