Year	including construction (constant 2015 US$)
1997	16655383.07542946
1998	20416414.3722522
1999	21549898.493626148
2000	21483150.945896793
2001	22858752.89500309
2002	25051174.113457356
2003	22382640.101110395
2004	24789723.429341085
2005	22399875.499798834
2006	29136951.99667213
2007	29480121.455315486
2008	25025194.20653993
2009	27878380.22379451
2010	30055949.42474329
2011	29221913.293751806
2012	22000749.13975031
2013	24601565.687763527
2014	24064159.46928697
2015	20756882.7867508
2016	20074353.202399302
2017	20153702.841253657
2018	21797402.763428234
2019	24975641.466735076
2020	23642327.136522032
2021	22149175.079858914
2022	24416354.740286667