Year	including construction (constant 2010 US$)
2007	8319.41340366574
2008	8811.19870358735
2009	9433.32851174992
2010	9435.35280442573
2011	10261.4107421631
2012	9947.24690630969
2013	11813.5462907393
2014	12110.2565187305
2015	11376.6232479574
2016	10601.6447962739
2017	10397.7023225431
2018	10057.524362066