Year current international $ 2000 104.852116328377 2001 131.71651894416 2002 113.493048903755 2003 124.714946807553 2004 154.004825863108 2005 163.964432081265 2006 189.507215821214 2007 209.194552552616 2008 210.122528769783 2009 226.912935583324 2010 273.411014934072 2011 288.229774923148 2012 318.362391799195 2013 296.713180569833 2014 339.647538359347 2015 357.863855670395 2016 403.118879328577 2017 451.642697524814 2018 495.953927921472 2019 531.464312653653 2020 474.055322408788 2021 536.33786237756