Year	current international $
2000	8.77262456425246
2001	26.8322352780249
2002	43.2035335464845
2003	60.4182632578844
2004	76.7550134950932
2005	82.9355415138474
2006	131.810044621377
2007	128.610972147877
2008	152.285354241626
2009	143.972214785514
2010	165.146347928682
2011	212.059604351678
2012	194.343529805022
2013	189.023193992231
2014	228.000782934144
2015	197.855516242872
2016	189.016939210299
2017	136.164207492666
2018	183.00461929758
2019	156.063404848534
2020	127.562907217638
2021	165.432085318951