Year current international $ 2000 105.310066555058 2001 99.3253413485186 2002 97.0105850714265 2003 94.360637811209 2004 94.0086704879601 2005 96.9030130493383 2006 97.0969044132721 2007 96.5192369069583 2008 95.5696862132259 2009 95.411558042937 2010 95.1007994737692 2011 83.681589704928 2012 93.3823067498783 2013 97.0074454050234 2014 99.0827099120341 2015 99.5282267296614 2016 101.240444288052 2017 108.979298935568 2018 110.2698577534 2019 109.193616640804 2020 122.299952662348 2021 123.741831924967