Year	constant 2015 US$
2007	3838789180.5825396
2008	3535723384.22449
2009	2901737211.2541122
2010	2826999341.0661874
2011	3057351245.0749197
2012	2905901296.807313
2013	3069677601.911685
2014	3162465372.824241
2015	3010136155.4956
2016	3012342623.139328
2017	3152113223.8792324
2018	3332861080.859797
2019	3394957384.547567