Year	including construction (current US$)
1968	1352119459.1522164
1969	1387679444.9282222
1970	1511439395.4242418
1971	1943140028.2885432
1972	1820967257.4346652
1973	2659293496.203367
1974	8104639349.813748
1975	9161530646.799864
1976	12567219776.498476
1977	13704029800.203182
1978	16383338977.311209
1979	28479850998.984085
1980	38884000000
1981	19857333333.333336
1982	20928000000
1983	19275483870.967743
1984	21070322580.64516
1985	21220322580.64516
1986	17841935483.870968
1987	23855483870.967743
1988	26237419354.83871
1989	26696129032.25806
1990	130349032258.06451
1991	208177713.73679155
1992	289194324.1943242
1993	597065353.3960024
1994	2230623134.68759
1995	8363758738.228667
1996	6098132794.068082
1997	15577852956.552843
1998	14462509360.13965
1999	29348205040.398094
2000	41010940148.7132
2001	28007639379.000553
2002	24419036136.8416
2003	15528852640.002373
2004	22652451652.76119
2005	31845629309.321033
2006	40029079610.92574
2007	53397921346.79168
2008	82639200720.4877
2009	58050544233.86766
2010	77283320940.17094
2011	116182753589.74358
2012	132059334924.32886
2013	135366057204.11664
2014	126331209176.67238
2015	75615860872.53452
2016	77006346994.07281
2017	96098228547.2973
2018	123164827816.52928
2019	124082737394.24704
2020	72186032022.31622
2021	114510439299.31035
2022	188690734137.93103
2023	139429369105.07315