Year	constant 2021 PPP $
1991	18307.868591611492
1992	19210.740210415293
1993	20072.10984183652
1994	19775.670121306695
1995	20605.394505906832
1996	20892.54401055743
1997	21320.884143178624
1998	20582.146813843327
1999	20923.334159858267
2000	20999.825743463178
2001	21133.1330765277
2002	21263.54338568135
2003	21038.8297149892
2004	21532.763010186194
2005	21889.117202060635
2006	22382.90066165908
2007	22357.088725941296
2008	22589.54009685728
2009	22339.072514020292
2010	22119.720832747633
2011	22609.892768925183
2012	22588.220423077873
2013	22599.70286708214
2014	23220.096327311843
2015	23731.526295583044
2016	23937.416305340943
2017	24341.76066545053
2018	24765.448234057658
2019	24786.379547394365
2020	24162.258211369077
2021	25526.698333770564
2022	25278.28021843158
2023	25781.83894724588