Year	constant 2015 US$
1986	736.7426301457276
1987	736.119772567479
1988	783.0910846053378
1989	763.3308859728066
1990	771.816815737315
1991	737.3779970729037
1992	811.7419886090873
1993	808.2350277287273
1994	812.3287860179205
1995	844.3820664879682
1996	877.3858815980003
1997	887.713734592395
1998	875.879832029498
1999	914.4338205882884
2000	890.3438964582103
2001	897.3978932905034
2002	877.5951674736514
2003	887.1760448741433
2004	938.682664713262
2005	1030.588532979518
2006	1025.773972477109
2007	1054.9061147631746
2008	1049.5558404682438
2009	1032.8563521187261
2010	1032.4025415565588
2011	1051.4815438106712
2012	1073.4866738584833
2013	1088.3474369860057
2014	1134.2645980429609
2015	1153.6650897844836
2016	1228.9408833191992
2017	1296.7474867794676
2018	1369.0005452513428
2019	1422.2090333300787
2020	1358.1919187856217
2021	1459.3884185523864
2022	1534.2086473758138
2023	1534.6643277202088