Year	current international $
2000	2521.82793577619
2001	2668.86470702794
2002	2906.84547416314
2003	3141.16850619954
2004	3300.76260235592
2005	3491.82405278864
2006	3639.96112894219
2007	3827.27709585383
2008	3858.03937657974
2009	3915.2759406691
2010	4006.63354369679
2011	4096.50787978359
2012	4234.2425598155
2013	4259.32811883063
2014	4345.82810704064
2015	4496.94979812044
2016	4685.08128527217
2017	4835.66337583376
2018	4991.50979351594
2019	5136.64062133012
2020	5055.16423164393
2021	5357.06892699042