Year	including construction (constant 2015 US$)
2006	7365771595.712554
2007	8339422833.310455
2008	9845983629.430584
2009	9922362369.587444
2010	8509485371.983713
2011	9064278064.45641
2012	9771664854.854189
2013	8870251899.697397
2014	8880595351.876545
2015	7792706090.873054
2016	6932883888.116245
2017	6475567740.128715
2018	5716769990.726255
2019	5218849453.905223
2020	5035605476.601327
2021	4887508440.68868
2022	4985976805.712108
2023	4394049988.742514