Year constant 2011 international $ 2006 9460785971.15359 2007 10597368414.4611 2008 11089571755.8823 2009 11346249957.6626 2010 11739318052.6398 2011 11590930900.3191 2012 12489146747.8774 2013 12982928676.0254 2014 13889668891.9085 2015 14493004738.8976 2016 15453732620.8378 2017 15736299644.9379 2018 16085798746.2549