Year	current international $
2000	177.76054515226528
2001	190.79073494745555
2002	190.90580029331352
2003	203.4912891489864
2004	213.63737534307378
2005	230.31002485083442
2006	247.78730287198434
2007	265.93219064184285
2008	275.9200392919018
2009	300.90215364675294
2010	307.10623905081906
2011	321.692112379881
2012	338.97640305986954
2013	360.83159911562416
2014	372.65034502499617
2015	387.46869627576973
2016	402.7090380927578
2017	405.1427141053849
2018	411.61625655142063
2019	417.80957334747745
2020	434.9333929961886
2021	473.3879512916557