Year	constant 2021 international $
1990	11142.45742859389
1991	11818.018068015204
1992	12927.655426326128
1993	13566.72164535262
1994	14036.291755822444
1995	15071.585931686483
1996	15878.067641922373
1997	16828.580617384767
1998	17313.01977368035
1999	17061.244211299276
2000	17704.85524774657
2001	18060.71159781665
2002	18437.478036600285
2003	19107.047306340635
2004	20180.164061265474
2005	21150.329093657547
2006	22211.22772359664
2007	23131.217291376688
2008	23768.66759945876
2009	23262.798911147253
2010	24376.841018447674
2011	25638.59532851366
2012	26952.762649330398
2013	27577.09647506485
2014	27790.247525759256
2015	28097.540516858768
2016	28252.160678631757
2017	28191.9083006951
2018	28794.95525995867
2019	28463.140271966946
2020	26353.486803885524
2021	29050.08079387783
2022	29480.955184558003
2023	29506.535182421943