Year	constant 2015 US$
2007	2344.826414105412
2008	2411.2393902178446
2009	2440.4174336792316
2010	2358.4571270841525
2011	2414.8460303044476
2012	2415.055499760559
2013	2449.9863506209094
2014	2412.9326817365545
2015	2459.586567078433
2016	2559.127071957274
2017	2580.4514289359395
2018	2759.9013388625376
2019	2909.2869025765667
2020	2414.977353523357
2021	2567.5891819596945