Year	constant 2010 US$
2008	2196.39241979507
2009	2131.48772465232
2010	2023.21726536098
2011	2117.10889254638
2012	2067.39286679388
2013	2067.3733185891
2014	2235.67053676586
2015	2186.41886360825
2016	2273.48879850897
2017	2476.19238652732
2018	2528.81704530895