Year current international $ 2000 280.015600575126 2001 296.9970051328161 2002 316.16529009493996 2003 342.2261334889278 2004 364.8961394173791 2005 397.59555726860924 2006 427.86167268593505 2007 459.74205328802736 2008 501.26061943711005 2009 559.4761129273782 2010 595.7268483712493 2011 673.9894584604749 2012 735.4794629440153 2013 785.9678524151035 2014 824.0865332423813 2015 867.125658419643 2016 895.8627079520718 2017 938.2081296208585 2018 1008.7654559188996 2019 1091.1456630223777 2020 1157.1216697124314 2021 1246.1861598465273