Year current international $ 2000 14.2425919580922 2001 14.4071455707917 2002 25.6662404058331 2003 26.1485511576425 2004 26.6379895240129 2005 26.3373228574929 2006 26.8943402714778 2007 28.271786461881 2008 27.9343879749612 2009 33.2356740268548 2010 36.1354528798884 2011 37.0234773482059 2012 56.60001387025 2013 59.5269511558555 2014 63.3663398640744 2015 68.8734177611297 2016 73.8153664750849 2017 50.1719055677975 2018 52.4589683765732 2019 83.5438358752195 2020 83.2953079747099 2021 90.667930610938