Year	current international $
1990	15606.979784629246
1991	16366.370242508736
1992	17425.531966925028
1993	18085.763983301193
1994	19336.822975878447
1995	20491.732717397295
1996	21538.29906791589
1997	22169.026153091665
1998	22819.23835818848
1999	23319.96677362086
2000	25693.17112476397
2001	25743.213411929173
2002	26044.743492945363
2003	24657.926329134567
2004	26057.119038310164
2005	25625.039043737706
2006	26327.40065559013
2007	28169.592225814114
2008	27994.901071668464
2009	27908.502049179628
2010	29294.219169109787
2011	31161.724176962267
2012	32322.693523719856
2013	34740.40168615864
2014	34740.31090957225
2015	35864.273001583715
2016	38208.35624016716
2017	39448.13914581623
2018	40231.90525811143
2019	41513.451510522835
2020	41204.477707500126
2021	46126.642313742064
2022	52133.60932475497
2023	53433.99639160653