Year	including construction (constant 2015 US$)
2006	4903.715170418128
2007	5027.954395452362
2008	5516.293856360062
2009	5561.9914668062265
2010	5710.746090703299
2011	7963.877108828947
2012	8864.366160671258
2013	9297.004262574976
2014	8180.226901339594
2015	7223.200520099656
2016	7502.903007432524
2017	8520.660519949679
2018	8926.567970138009
2019	9074.832594563602
2020	8626.432905154481
2021	8306.886045016969
2022	8034.134636340066