Year	constant 2021 international $
1991	12027.14279854387
1992	12925.835497830507
1993	13681.300737673842
1994	14182.581103705457
1995	14366.861697708913
1996	13920.79253324528
1997	14436.879479056886
1998	13999.653501979463
1999	13780.604010541205
2000	13741.867807293369
2001	13947.745247357378
2002	14059.841317750963
2003	14398.994665617734
2004	14714.045245607445
2005	15015.191388505347
2006	15875.740787964216
2007	16776.46550385346
2008	17122.90251322966
2009	17024.817393462476
2010	17835.952029638167
2011	18252.22387827081
2012	19039.294477896387
2013	19191.289745757105
2014	19649.13447414022
2015	20472.31845952567
2016	21317.61522352006
2017	21685.686781417047
2018	21898.105041259998
2019	22149.994024257263
2020	21172.109686350934
2021	22149.3881838749
2022	22327.96543565745