Year	current international $
2000	30.97877438159164
2001	33.264282925792216
2002	31.677187810001335
2003	39.0739534284988
2004	42.86602287884034
2005	45.40829891822892
2006	50.18288015952607
2007	53.7589187239791
2008	55.56194717449784
2009	59.89607020316545
2010	59.04202682430959
2011	60.8712750738896
2012	62.15322906853751
2013	63.54761581141749
2014	66.04730477370481
2015	68.25809679824039
2016	69.02750611310515
2017	68.70173197787693
2018	69.13704964352632
2019	72.58909248823896
2020	77.22488063815874
2021	78.81716750990613