Year	including construction (constant 2015 US$)
1991	15389.671845760435
1992	16309.058925920102
1993	16285.803964660125
1994	15847.420936086533
1995	16158.127624272134
1996	16321.207724080463
1997	17545.54722246886
1998	18222.87243544769
1999	19916.514182965206
2000	20108.980071645798
2001	19977.956609179357
2002	20128.240700386857
2003	19619.881316034236
2004	19701.490587770302
2005	19384.79158893633
2006	21208.590828086337
2007	21248.847268321166
2008	21427.13626307483
2009	20567.945347921424
2010	20364.44628395469
2011	19921.580631318677
2012	19876.10334760745
2013	18665.719976660763
2014	18685.204041487108
2015	18383.70285184038
2016	19510.908240670484
2017	19836.740154186304
2018	19511.57164834933
2019	18801.151184785966
2020	17974.12542212242
2021	18659.5997238355
2022	19144.247691690824
