Year	including construction (current US$)
1987	5072105263.157895
1988	6295625000
1989	6664000000
1990	4451545117.428925
1991	5017244444.444445
1992	4675233236.151604
1993	4091173968.7419934
1994	3128439637.346906
1995	3223263771.0042815
1996	3638318363.273453
1997	3372588679.245283
1998	3357529551.2277727
1999	3594351732.991014
2000	2783718669.4281244
2001	2274821176.4161205
2002	1878340246.804416
2003	2072085984.3103342
2004	2683379120.879121
2005	3721674124.391252
2006	4651330686.18121
2007	5993446671.098869
2008	8588565362.450713
2009	10225570065.910673
2010	10565011642.224813
2011	11902172921.40346
2012	13792402341.062792
2013	15583337543.579268
2014	17843298232.117546
2015	19411796035.294357
2016	19743990832.40067
2017	14626660229.90369
2018	14402828215.718304
2019	18630717090.34533
2020	18659745173.4787
2021	21917756470.0872
2022	25344250496.68817
2023	27727569174.134895