Year	current international $
2000	14.45716947777478
2001	18.32999502686312
2002	15.995763723647078
2003	23.352239776775445
2004	35.55087475361896
2005	33.332617328396964
2006	31.817627822287438
2007	35.22919824360795
2008	38.69972212372368
2009	42.985586319693
2010	36.65754615826692
2011	36.020657994070106
2012	32.036942212094274
2013	33.55816827411257
2014	34.31662928132681
2015	31.764971086288732
2016	40.473325113107144
2017	37.4848516909262
2018	38.24963330575711
2019	40.21544896701401
2020	45.740991726806975
2021	45.85846778615726