Year current international $ 2000 297.449924865517 2001 326.177987003974 2002 369.243867024494 2003 371.222393632366 2004 363.428449772815 2005 323.387068998831 2006 340.754135685465 2007 407.03906624237 2008 491.965923455601 2009 387.163677224838 2010 447.077835765885 2011 477.5631909739 2012 504.751011835592 2013 544.400388934487 2014 572.166164822201 2015 554.962659486229 2016 586.220133784913 2017 735.204255302635 2018 634.615267584591 2019 689.003643393943 2020 641.502178735862 2021 837.95109927224