Year constant 2015 US$ 2007 657518029.3706028 2008 707757356.3134549 2009 893769568.7960107 2010 900173277.774671 2011 867280474.5804751 2012 1001441681.3329419 2013 1209662220.003877 2014 1261782690.9687796 2015 563407296.1120604 2016 419989664.71838385 2017 459899564.27430326 2018 415030077.97638094 2019 419435476.9828058 2020 466120342.7483615 2021 483402684.44937044 2022 475914988.107017 2023 481216195.41530347