Year	current international $
2000	25.909960767147048
2001	26.133555668778964
2002	30.218017276631333
2003	33.41444568842675
2004	34.955752401003686
2005	36.96038501057096
2006	42.575568976715495
2007	46.37531717888939
2008	47.881018459885134
2009	50.347940817293136
2010	49.709175738437985
2011	48.520273342727364
2012	48.6028258103329
2013	54.430681822359254
2014	56.16398559282957
2015	57.82644318701781
2016	60.36826954160489
2017	55.918807807096165
2018	52.65477646783241
2019	55.76164904546479
2020	53.348407756937505
2021	55.64899443663414