Year	current international $
2000	26.3855831814867
2001	26.0137631432641
2002	29.3913474188627
2003	30.2778788274799
2004	31.224101126082
2005	33.0213952512948
2006	35.4187073791649
2007	38.9668983369244
2008	34.0617421397181
2009	41.9457491137382
2010	32.2022101292835
2011	34.7563969812475
2012	40.1315055315473
2013	32.6019539623459
2014	30.5940813056016
2015	36.9394633243564
2016	42.870110495608
2017	55.9628308866297
2018	98.7123262127532
2019	71.4965621255887
2020	82.3621999358966
2021	85.6512326289184