Year current international $ 2000 178.530558334976 2001 202.551529956429 2002 199.490599666469 2003 229.887182452317 2004 237.033755141645 2005 279.502518084031 2006 333.113887364793 2007 379.922596102756 2008 353.507047520647 2009 242.991224508841 2010 281.113592405331 2011 293.755444230317 2012 297.825270894134 2013 286.600210428737 2014 293.905861846112 2015 244.421454603291 2016 293.061508349637 2017 269.147154168343 2018 259.415894901014 2019 254.888573848636 2020 250.750823093495 2021 235.513696039969