Year	including construction (constant 2010 US$)
2008	5591470893.05191
2009	5808737160.22162
2010	5576186416.30497
2011	5149627155.96288
2012	5075980183.46192
2013	6539662388.98235
2014	6834079071.52256
2015	7401018262.12063
2016	7889774894.45064
2017	8124949720.26134
2018	8704659484.08234