Year current international $ 2000 83.0935120017424 2001 80.503050487391 2002 86.101982495091 2003 84.4815975168867 2004 107.981352894174 2005 113.738545839645 2006 125.295917501144 2007 142.762838516079 2008 149.41420371655 2009 198.899934799364 2010 205.028757099758 2011 209.48336774648 2012 216.554395334975 2013 228.84281825541 2014 239.009277453089 2015 248.63321732306 2016 249.33409490288 2017 252.200315277334 2018 253.221859695569 2019 263.541599857765 2020 275.176587777213 2021 270.639651464286