Year	current international $
1990	2450.845613878096
1991	2567.317300730067
1992	2684.085216466807
1993	2804.4702693870663
1994	2937.8704406460915
1995	3090.067102993154
1996	3285.837652916123
1997	3459.791970194821
1998	3497.3126751536724
1999	3631.774226171969
2000	3865.0885165921372
2001	4043.1632757058746
2002	4237.212446775852
2003	4507.906120536202
2004	4920.133336755014
2005	5363.189520816333
2006	5911.40962261506
2007	6510.546805988247
2008	6941.038545092096
2009	7188.6012009652095
2010	7760.509834560348
2011	8317.696044049526
2012	8831.041612510131
2013	9242.958635527028
2014	9560.564750454228
2015	9707.178239945508
2016	10081.96437783324
2017	10593.039498727685
2018	11295.309204474845
2019	11909.227691677797
2020	11920.287747788505
2021	13311.3934838374
2022	14781.742562544041
2023	15946.31089630085