Year	current international $
1990	7592.802937037973
1991	8512.503323557896
1992	8784.41635806076
1993	8803.501400834368
1994	8804.835659703725
1995	9082.781874726195
1996	9708.111446851855
1997	9867.567586981822
1998	10028.579401856905
1999	10211.130895561493
2000	10872.473556488634
2001	11190.230665486573
2002	12163.22435383055
2003	13350.483367034267
2004	14074.748142725739
2005	14739.850958936855
2006	15709.402896190424
2007	17199.10761920241
2008	17335.005745862323
2009	17379.572522503917
2010	18351.14078794237
2011	18981.230796231386
2012	16757.192074573763
2013	15939.680528784924
2014	15704.916416044325
2015	13828.438574426424
2016	14661.839441599463
2017	15163.292311302961
2018	14926.30671047011
2019	13423.576312346733
2020	14180.353309313852
2021	15042.374112472398
2022	16591.264572254317
2023	17921.664268460758