Year	constant 2021 international $
1995	4874.288900033459
1996	5070.641109655569
1997	5244.2622419662475
1998	5374.697991326532
1999	5503.4518159862355
2000	5691.050057058269
2001	5839.691870431926
2002	6007.378315092601
2003	6284.042077364917
2004	6642.443101180315
2005	7007.90139827537
2006	7502.825656159375
2007	8068.617114452363
2008	8431.512137800348
2009	8610.274187559065
2010	9117.826176125545
2011	9740.848868302772
2012	10090.444303184271
2013	10414.519251772766
2014	10775.143140589007
2015	11045.474035647429
2016	11463.026885384328
2017	11899.023411726484
2018	12304.61804376661
2019	12636.381792821629
2020	12253.6736338267
2021	12985.891406785306
2022	13348.273094107637