Year	including construction (constant 2010 US$)
2010	37581274382.3147
2011	38461508452.5358
2012	42040598179.4538
2013	41580052015.6047
2014	41679583875.1625
2015	43771131339.4018
2016	43704551365.4096
2017	41443953185.9558
2018	44257477243.173