Year	current international $
2000	132.006635288765
2001	122.077942569767
2002	127.186051417688
2003	128.930843749728
2004	128.643943603679
2005	127.132276167631
2006	122.085957320783
2007	117.97607417907
2008	114.627257375693
2009	113.416832644019
2010	118.19514291708
2011	130.66306308384
2012	137.395775324491
2013	142.641185486505
2014	151.238840873042
2015	132.72568637861
2016	142.059042509125
2017	170.695052930703
2018	163.982577623208
2019	176.608787211638
2020	198.328772583026
2021	222.678986613057