Year	including construction (constant 2015 US$)
2006	6672686982.245314
2007	7078688277.204333
2008	8145451036.361104
2009	8510923437.006587
2010	9102211046.976057
2011	12892350825.77216
2012	14316126665.99159
2013	15029867384.434196
2014	15199847627.593397
2015	15374843766.909435
2016	16039450202.49582
2017	18543917383.92745
2018	20491583928.902935
2019	21796039634.406647
2020	21251979618.581646
2021	21150284099.391407
2022	21275813121.220814
2023	21015866370.49121