Year	constant 2021 international $
1995	2724.413527590236
1996	2967.3912990009103
1997	3217.2941083588153
1998	3421.5727505903774
1999	3661.5879633626378
2000	3945.034126315935
2001	4233.296585103452
2002	4606.56371487583
2003	5056.371270507728
2004	5553.125764246636
2005	6122.4691218944545
2006	6897.881656409593
2007	7871.058642950985
2008	8620.652307628827
2009	9309.810866141795
2010	10222.51319208612
2011	11080.471408323741
2012	11957.040781218333
2013	12724.804776897345
2014	13714.125977771277
2015	14505.204926854303
2016	15406.839920274439
2017	16439.189210276953
2018	17412.538865679195
2019	18413.619374451046
2020	18683.020146136685
2021	20264.565537273196
2022	20888.85430820241