Year	current international $
2000	13.4584424939775
2001	10.9062340815977
2002	14.1424044132605
2003	25.6798151032461
2004	26.1183945374782
2005	25.8983826025938
2006	26.5145125280604
2007	27.9126172876496
2008	27.2328490048825
2009	32.3455183282368
2010	35.1752323044149
2011	35.970806158312
2012	53.4515755657811
2013	56.4385050477721
2014	60.0549345513413
2015	65.9437554628512
2016	69.8059406588258
2017	46.6423143891096
2018	47.9598768909795
2019	76.3473650353725
2020	76.2234155502197
2021	83.0550019346912