Year	constant 2021 PPP $
1991	15903.359973399332
1992	15220.04246149488
1993	14429.127038186072
1994	13830.460070575045
1995	14076.404289830565
1996	14540.705354453505
1997	15313.12617129842
1998	15443.814201219857
1999	15254.470684843192
2000	14963.771425187904
2001	14427.66976226134
2002	13800.37654998722
2003	12893.719945199458
2004	12976.462248389915
2005	12783.34587553079
2006	12797.39962180602
2007	12647.557838902403
2008	12922.48217601456
2009	13072.844338684748
2010	13605.94226857596
2011	12686.847948039103
2012	13406.446012899354
2013	14101.40590574651
2014	14873.638142450642
2015	15362.328742570677
2016	15867.890352398226
2017	16768.05600021295
2018	16974.152069948483
2019	17491.19275568478
2020	17285.962568836683
2021	17944.721202008266
2022	18396.46225036323
2023	18970.57687947453
