Year constant 2021 international $ 2006 199354042.7518375 2007 195990537.9471598 2008 195909730.00975972 2009 184948269.65586218 2010 181547159.73644418 2011 193347415.0924129 2012 196099765.0170736 2013 202955091.3156575 2014 211897214.42038673 2015 235742301.9091088 2016 247718621.0263015 2017 257995215.72470284 2018 240436868.526559 2019 264621511.29517964 2020 265865660.33916503 2021 282709209.90758246