Year current international $ 2000 73.5018541570075 2001 40.7676712168169 2002 49.3719806186975 2003 52.4902909419251 2004 53.7853961868604 2005 55.5704091756733 2006 56.7335316384335 2007 63.6930197600811 2008 68.1938777092333 2009 69.622578476785 2010 58.4876576181647 2011 78.0810764059001 2012 84.9207667364587 2013 126.192427421998 2014 139.807668742624 2015 126.357009931248 2016 130.094766929611 2017 84.1631046466588 2018 84.5383773717076 2019 85.3888181053937 2020 83.4198054347723 2021 78.4430204834839