Year	constant 2015 US$
2007	2056804846.1646185
2008	2078163277.7498848
2009	2992741875.659481
2010	3875575090.41316
2011	3203023896.676844
2012	3857857631.1129847
2013	3897529179.499739
2014	4372539605.284976
2015	3116389243.8745356
2016	2500982471.496585
2017	1924678147.9818418
2018	2040367197.348845
2019	2167072316.563399
2020	1881923722.9780896
2021	1808671620.7546327
2022	1709604740.2271883
2023	2675888069.2507563