Year current international $ 2000 103.676787516314 2001 114.889003917644 2002 117.865921691982 2003 131.221348527217 2004 151.324015396838 2005 156.514935776009 2006 172.518196271161 2007 199.785638492323 2008 189.013101228235 2009 207.652943965255 2010 229.007204787805 2011 245.165568939748 2012 259.17241022313 2013 273.253876208106 2014 292.530755953713 2015 315.50273557896 2016 347.452133782742 2017 353.603782295544 2018 386.576816780057 2019 419.068419306391 2020 416.218923731684 2021 449.127807117627