Year	constant 2021 PPP $
1991	22281.13287749406
1992	16759.34570972896
1993	12701.605050887982
1994	9975.607754715245
1995	8599.313573660917
1996	8644.645588863297
1997	9120.69984307379
1998	10022.08615794419
1999	10722.494816812527
2000	11908.006468441634
2001	13058.220954497025
2002	14257.499630663297
2003	15653.606202484056
2004	17154.92054973443
2005	21770.576733433263
2006	29235.950279917593
2007	37442.59641741257
2008	40810.80745857733
2009	43324.06199023347
2010	44893.00063155426
2011	43993.17006067886
2012	43959.77623481625
2013	45682.22486812295
2014	45842.67747266524
2015	45412.85083169169
2016	42819.32158785651
2017	42154.48186357801
2018	42012.75896231062
2019	40898.6472792168
2020	40288.50103544485
2021	41228.019233314204
2022	41650.36028075002
2023	41803.69540749934