Year	current international $
2000	10.9058973756077
2001	9.14287340536256
2002	11.2825915490495
2003	14.5505845214454
2004	27.0947380931448
2005	28.032450023388
2006	33.6856157482403
2007	42.5719798358454
2008	44.5965569361151
2009	49.3598994634646
2010	45.8851645280141
2011	50.6892927608205
2012	61.3251638990306
2013	86.5910868037533
2014	65.3007430536936
2015	50.5266174715279
2016	59.8524378698636
2017	66.0418316041774
2018	59.7636167175
2019	67.1079437179294
2020	58.9790679015413
2021	73.4178802608423