Year	current international $
2000	295.940763108251
2001	323.284975804636
2002	325.024717926295
2003	357.14271576442
2004	351.99304411072
2005	302.906245389551
2006	246.197797818339
2007	220.859173398098
2008	166.090813102081
2009	193.937338213299
2010	148.285097026416
2011	129.972432620292
2012	141.870820165569
2013	146.982691223113
2014	112.37039226499
2015	73.1014129477195
2016	70.4008644682546
2017	73.9248411753047
2018	71.5965246912621
2019	78.5537717575811
2020	91.9229355611494
2021	98.2650150498583