Year	constant 2010 US$
2010	912210490.852238
2011	1052069312.56458
2012	1261155812.45161
2013	1460588041.67113
2014	1638733341.79768
2015	1561614116.19288
2016	1726393097.90944
2017	1695821897.59335
2018	1704613416.88919