Year	constant 2021 international $
1995	2765.0751665300495
1996	3001.2570968272935
1997	3233.0443768151226
1998	3412.671978522292
1999	3625.695457538839
2000	3892.8619415478797
2001	4150.625842588838
2002	4481.368900085317
2003	4882.284220248568
2004	5329.0898480835185
2005	5835.6319317337175
2006	6511.764480408004
2007	7357.714275128848
2008	8005.413734260567
2009	8585.95284044249
2010	9381.809926721888
2011	10086.254460938508
2012	10812.914347687658
2013	11459.638888457297
2014	12256.892969256332
2015	12914.697295498656
2016	13656.34870715346
2017	14499.397409682813
2018	15311.4367456577
2019	16137.214950160364
2020	16179.136199529783
2021	17318.28848066316
2022	17926.292725020547