Year current international $ 2000 0.0178451221117572 2001 0.0464932151565803 2002 0.573514575126761 2003 0.520846303713712 2004 0.537781236437644 2005 0.184419493604234 2006 0.189756733660532 2007 0.200658474635534 2008 0.543298282194081 2009 0.311046943952238 2010 0.573987946302083 2011 0.909750444712834 2012 0.674464392175549 2013 1.62210701439294 2014 1.89104472192411 2015 1.66120935144838 2016 0.563360653496799 2017 0.560408412332014 2018 1.03851832519731 2019 0.809623427355126 2020 0.614152545616582 2021 0.855780811171014