Year current US$ 2008 524665299.5459206 2009 567028341.2058905 2010 656130312.6437573 2011 804970393.1159471 2012 802431591.4165826 2013 872026509.2403828 2014 961206438.4478856 2015 856745175.8356855 2016 807589152.7870173 2017 848978655.8157084 2018 953534182.124371 2019 986316859.5278186 2020 1073700105.4161087 2021 1211724473.223189 2022 1103104795.7968948 2023 1308701106.2927837