Year current international $ 2000 66.4067232978593 2001 61.6315307541864 2002 63.1920733551744 2003 65.2990924248424 2004 68.932715331427 2005 72.0007141917061 2006 74.2845859544128 2007 77.4923962073942 2008 77.1054293132452 2009 76.5280262046956 2010 78.399420414599 2011 79.3548412762828 2012 79.4180818431436 2013 80.8687118758438 2014 82.3208583650571 2015 86.4421559779324 2016 89.484453328737 2017 94.7859256893921 2018 99.9618328318504 2019 103.201947809439 2020 99.6861075653352 2021 104.096832399209