Year	current international $
2000	24.26425170798858
2001	24.46508718070208
2002	28.585820405207215
2003	31.562165537824878
2004	33.25469597134176
2005	35.183375860363476
2006	40.49651778367723
2007	44.01348841853354
2008	45.47794752196161
2009	47.63446445388498
2010	46.913594241009285
2011	45.395905361929024
2012	45.42466509613911
2013	50.53075836985328
2014	49.94299442779115
2015	51.64763425255833
2016	53.558595978686064
2017	51.4923700115349
2018	48.477700459313205
2019	50.80854626544997
2020	47.414731017100024
2021	50.00577493527767