Year	current international $
2000	1.4437528976127645
2001	1.6929054393127492
2002	1.7100302709942543
2003	2.0447509610799286
2004	3.0739111758661117
2005	3.114482106776619
2006	2.746406368322307
2007	3.0046668862406127
2008	2.87535692576147
2009	2.953201179827844
2010	2.7323639150466774
2011	2.7056036829148646
2012	2.926925189128617
2013	2.6658211831273952
2014	2.4481078035700934
2015	1.8828180297657786
2016	1.9795213762710056
2017	1.7726691226111717
2018	1.4921484507065723
2019	1.6550297192175367
2020	1.8403176724067187
2021	5.165840910456101