Year constant 2011 international $ 2007 22817488759.7307 2008 22924199213.7621 2009 21611766012.2854 2010 21680432907.1815 2011 22101414941.4774 2012 22413823532.2462 2013 22302862368.8447 2014 22443889016.0701 2015 22407101435.6188 2016 22439446312.1862 2017 22986871808.4583