Year	constant 2015 US$
2008	637822023.5297775
2009	688548250.8022743
2010	680171348.3893303
2011	692861508.0961988
2012	737401873.1576903
2013	805831946.6563417
2014	811986992.5494577
2015	835091912.0910333
2016	857509627.7436748
2017	893202371.1364611
2018	947108072.0072004
2019	958016278.1321123
2020	969443482.410812
2021	1072380513.0701293
2022	1175231205.962578
2023	1224138275.0526955