Year	current international $
2000	30.913829439864184
2001	33.202764236048075
2002	31.616521789901334
2003	39.01151973176326
2004	42.81206475367757
2005	45.352774563760796
2006	50.12476357905018
2007	53.70320837336595
2008	55.520454399578846
2009	59.85723145486227
2010	58.98698891491924
2011	60.81896831534513
2012	62.08101056623709
2013	63.489329436294824
2014	65.9836635026053
2015	68.1947513336262
2016	68.95277223234594
2017	68.6238030588245
2018	69.05326261123078
2019	72.50716519025515
2020	77.11426382693163
2021	78.72280940454637