Year	current international $
2000	77.27680654782
2001	65.1222644763586
2002	68.152901227122
2003	72.8572237058114
2004	72.7204177736127
2005	92.4708426758407
2006	111.254894883591
2007	120.756669580552
2008	124.901598722481
2009	143.503529772525
2010	137.463657994002
2011	150.439243618546
2012	134.07080814983
2013	142.100271433782
2014	139.490634406712
2015	139.41371891651
2016	156.012469634525
2017	155.477866285299
2018	162.221186814308
2019	168.073087282214
2020	182.29093466111
2021	210.399243723519