Year constant 2015 US$ 2010 7646972888.231228 2011 8473687121.023582 2012 9179068517.57139 2013 10054540091.71145 2014 11285868628.695215 2015 12403169560.502773 2016 13220935850.93331 2017 14470580456.499878 2018 15884071874.633213 2019 16924770571.35244 2020 14611597229.170166 2021 12828766865.70158 2022 13129724201.047127