Year current international $ 2000 99.14196010951498 2001 104.71256867811569 2002 103.24604733533772 2003 125.99040498194513 2004 131.61933069201618 2005 138.0925806053637 2006 148.34216995168174 2007 155.6452700373685 2008 161.18627139455333 2009 170.48646122244327 2010 168.7800190323263 2011 175.06540143480325 2012 174.14664749790302 2013 184.97956179983544 2014 185.78815962332834 2015 190.27597252724405 2016 193.31772865018425 2017 189.1182735605873 2018 182.6919541947971 2019 187.4124218803136 2020 189.03150868459437 2021 203.683082762292