Year constant 2010 US$ 2010 4882025699.3 2011 5650195620.81146 2012 6457104333.3101 2013 7458484568.52668 2014 8014352953.23538 2015 8456242656.97968 2016 8440170884.17777 2017 8392339873.60363 2018 8661348593.01425