Year constant 2010 US$ 2010 4074354772.60398 2011 6092700551.67618 2012 7032481072.00824 2013 7564014496.29281 2014 8079043465.9613 2015 7154491202.33221 2016 8066134813.73984 2017 10064672191.5588 2018 12218404822.5574