Year	constant 2021 international $
1995	29450.345993515515
1996	29904.457461614773
1997	30579.072098462406
1998	31441.004912078475
1999	32308.13745698281
2000	33298.33805850345
2001	34096.59314484145
2002	34562.03774323649
2003	35078.50195795032
2004	36148.12368319625
2005	36881.11804506078
2006	38120.346339858865
2007	39249.88214962414
2008	39223.6325112548
2009	37882.53633116283
2010	38486.99407603348
2011	38911.7644558712
2012	38694.76726106081
2013	38828.99856135111
2014	39177.49172906598
2015	39622.81530654289
2016	39955.47216682238
2017	40809.094073517284
2018	41639.71582063703
2019	42319.39755204065
2020	40285.9123928556
2021	42569.099621499736
2022	43013.69761812286