Year	including construction (current US$)
1990	17547926883.63798
1991	12186150019.636078
1992	10837500000.000002
1993	10290638773.764883
1994	12850962787.522127
1995	13620849071.451054
1996	13960428154.39507
1997	12808003415.207157
1998	13431234916.478699
1999	10926873299.401806
2000	11274271352.709879
2001	13062652460.583487
2002	15352243186.671598
2003	18526075396.828983
2004	23867704234.850662
2005	31767166508.846455
2006	40241325775.20049
2007	59852845278.375885
2008	78813335249.54564
2009	63416526608.34775
2010	65147109726.54897
2011	77453939634.08873
2012	61665878553.71663
2013	60873363127.74628
2014	65049601767.59949
2015	54809623465.95461
2016	55812142492.71343
2017	61174358888.30872
2018	70363761877.4224
2019	69260333771.83409
2020	66731558400.67558
2021	74451527334.88014
2022	84188974026.73576
2023	96861027916.83974