Year	including construction (constant 2015 US$)
1991	8050.429912565193
1992	8700.31386686334
1993	8787.960704774081
1994	8894.201202262655
1995	9271.021081944122
1996	9518.076187148132
1997	10029.565553815386
1998	10546.061153895935
1999	10837.156111692
2000	10432.282471637885
2001	10914.474606647122
2002	11629.616610876767
2003	10010.46157737176
2004	11451.773448558593
2005	10828.575381576858
2006	10594.301923537292
2007	10980.236772924573
2008	10951.97778697925
2009	10594.451868794122
2010	10512.996657764532
2011	11593.95289014122
2012	10937.03111475227
2013	12811.24557568111
2014	12336.726867229676
2015	12745.618877172277
2016	11363.342410587951
2017	12415.402686523434
2018	12436.974789128122
2019	12966.140991531725
2020	12223.506145521416
2021	11548.868843848364
2022	11697.365140133847