Year	constant 2015 US$
2011	51979055504.586914
2012	56362995844.4032
2013	62714851542.16982
2014	69232868322.65256
2015	74510761401.09889
2016	76136829233.33728
2017	75607944509.32787
2018	76894194550.72934
2019	79292343405.21434
2020	76961520120.40826
2021	79558223539.53984
2022	84747975737.33546