Year current international $ 2000 0.7792014502455812 2001 1.3330021072778955 2002 0.9297672810674847 2003 1.0733446866000658 2004 1.4866930403032856 2005 1.6858520558903314 2006 1.7282352554102842 2007 1.8233309821350192 2008 1.5053173433735807 2009 1.8094230213020421 2010 1.5918593639093248 2011 1.5524670736375563 2012 1.7688887547367673 2013 2.1942239407752746 2014 2.8628323974395555 2015 1.8364930675965838 2016 2.167520479525923 2017 1.8817512611873282 2018 1.464883279902687 2019 1.6643609777845663 2020 1.5381244241799703 2021 5.619030415585943