Year	constant 2015 US$
1986	701.170474139852
1987	720.6428121138724
1988	757.6208661108075
1989	777.0379454376039
1990	795.2854945525502
1991	797.6239045383425
1992	817.3217762724374
1993	825.6436320237199
1994	850.2195212441836
1995	880.7219285302972
1996	924.4463865739234
1997	941.7275782148296
1998	970.3742090232244
1999	1010.9733386752168
2000	1034.1376423734714
2001	1059.0146081338683
2002	1073.6502048552782
2003	1117.8362152654752
2004	1177.1405062278163
2005	1236.904614274021
2006	1302.755699892467
2007	1372.3832139604012
2008	1404.0830703630152
2009	1457.9475499053974
2010	1523.455553424809
2011	1566.64942991224
2012	1617.0234352624532
2013	1679.685033877983
2014	1758.3603940459727
2015	1842.8058163661212
2016	1935.178115946193
2017	2018.8499705861302
2018	2104.646791810764
2019	2155.166783364248
2020	2030.0127860634313
2021	2142.0675285146494
2022	2246.818803678921
2023	2351.3375565959896