Year	current international $
2000	63.53720185378281
2001	71.47550337161586
2002	72.67760521176564
2003	79.29100316130044
2004	83.00867852645572
2005	88.54718729353222
2006	93.27595566253305
2007	98.7061103513089
2008	101.90052467180038
2009	104.43355089991712
2010	106.206983907088
2011	108.29641184144484
2012	118.36612517009597
2013	136.16990201970202
2014	135.78050114820138
2015	141.3283668835004
2016	145.96508206318163
2017	135.29602326124092
2018	138.44850182278302
2019	144.99738357162568
2020	145.91772138532355
2021	163.1293116177394