Year	constant 2015 US$
2010	60116782345.64353
2011	48124945620.00937
2012	61519346373.93887
2013	61837909852.04355
2014	61730666905.96036
2015	54782835340.02795
2016	50863854931.44673
2017	46272525881.2161
2018	43260583148.327705
2019	42303729692.381905
2020	30028579008.200264
2021	59816005831.76442
2022	64802541636.45264
2023	58612590759.08357