Year	current international $
2000	184.107668598051
2001	208.448012886476
2002	212.709325124119
2003	252.451911384933
2004	245.716208114506
2005	271.440158295756
2006	321.407796103782
2007	321.676514178431
2008	315.286024850515
2009	384.306033765231
2010	368.602836276453
2011	386.070787875542
2012	351.985150133874
2013	340.336255081645
2014	502.517554332112
2015	510.10039157192
2016	526.467187946187
2017	547.033263616736
2018	517.736831398348
2019	409.53315583508
2020	422.818926812377
2021	525.389796179786