Year constant 2015 US$ 2010 10914310220.825193 2011 11503836189.352434 2012 12194332825.555208 2013 12533943393.205593 2014 13252950198.625633 2015 13680883181.115936 2016 13800357173.000004 2017 14774135650.330627 2018 15161990645.137371 2019 15879952324.755245 2020 17399806951.01707 2021 19394722582.196743 2022 18904677041.808678 2023 19594042207.77493