Year current international $ 2000 263.41885298486636 2001 295.09193329970736 2002 294.56790843629545 2003 289.6168395458556 2004 295.7447406864793 2005 296.9385736540547 2006 324.4215734885455 2007 340.4467361371637 2008 339.1970611421815 2009 426.2989039126218 2010 398.7074852313698 2011 423.4775252147482 2012 431.1513077933311 2013 475.14188500903015 2014 541.7964971239685 2015 529.3802054434215 2016 589.8324435987407 2017 589.7329233471612 2018 563.4152298566165 2019 561.3160365172689 2020 639.2071301766603 2021 659.6301665743666