Year	current international $
2000	38.09585722993925
2001	41.53569738021253
2002	43.17135831557028
2003	62.53543009275819
2004	61.143472622989485
2005	61.7997955743096
2006	65.40973723123192
2007	68.22270777736345
2008	69.32459453387477
2009	72.95267381968206
2010	70.06034705180606
2011	69.51919778868664
2012	76.36464583635541
2013	82.61166115514897
2014	84.33491488390695
2015	88.78357854058906
2016	89.80680458267695
2017	91.10483535777657
2018	81.88918123497935
2019	82.72714397446244
2020	87.50470116705715
2021	95.97526216937632