Year	current international $
2000	59.00394035188388
2001	65.97371090633648
2002	68.3896074726335
2003	70.28951413253934
2004	75.70116383840605
2005	80.17594226441263
2006	85.14575153097284
2007	90.71719464432901
2008	91.95591393571854
2009	93.04257883626286
2010	94.21168469704921
2011	93.71161499269124
2012	103.4094198237584
2013	127.52189606033942
2014	127.6374956318459
2015	130.12120927199496
2016	134.77346386270767
2017	114.64287688257569
2018	119.55105178088833
2019	127.07597961488128
2020	131.34315983282204
2021	145.17458497153842