Year	including construction (constant 2015 US$)
2003	10824.544625146887
2004	9584.956265256851
2005	8587.576229827006
2006	8976.490359178371
2007	9277.381328172309
2008	9666.430788282112
2009	9035.132678990252
2010	9390.561610164572
2011	11039.212261485269
2012	10387.792197789862
2013	9083.447251676678
2014	7421.539478012979
2015	6873.028225434394
2016	6780.194736838996
2017	6970.646128916117
2018	6656.360464691067
2019	6510.442997316993
2020	6080.374083378639
2021	5829.9534132928575
2022	5903.983105227731