Year	constant 2015 US$
2014	6852905020.172172
2015	6893729000
2016	6810960966.833779
2017	7132213236.854163
2018	7033212283.943714
2019	6919068386.637038
2020	6547365688.57704
2021	6991160713.883185
2022	7512930602.095075