Year current international $ 2000 295.94068618236 2001 323.285008138571 2002 325.024768545017 2003 357.142658357638 2004 351.993051026777 2005 302.906196226189 2006 246.197823449567 2007 220.859211681741 2008 166.090972128914 2009 193.937465308534 2010 148.285118651171 2011 129.972383352208 2012 141.870784478512 2013 146.982523878829 2014 112.370358057418 2015 73.1013861062085 2016 70.4008933906588 2017 73.9248443011366 2018 71.5965540925294 2019 78.5537429805394 2020 92.6290399415965 2021 98.2650150498583