Year	including construction (current US$)
1960	147701773014.31204
1961	98953049160.76102
1962	89700319399.19415
1963	102347441563.01105
1964	124707897465.52275
1965	144539047012.94186
1966	168702187447.25146
1967	152737959179.59235
1968	144935510464.89642
1969	180811473355.2782
1970	225589473054.53723
1971	253400244817.1295
1972	296193773417.3935
1973	373148292219.1304
1974	413793779358.0547
1975	476147298869.4019
1976	490067226027.92456
1977	582809699537.0292
1978	592597218296.1975
1979	719934948627.1666
1980	813817198466.7268
1981	843509116791.8461
1982	864909733866.2917
1983	946798330306.965
1984	1018951162679.5209
1985	1077830199123.1351
1986	1111571832446.9402
1987	1197718083866.0623
1988	1398103498763.278
1989	1569791668357.2507
1990	1696472699964.8054
1991	1873617301594.746
1992	2039267740832.939
1993	2223102560880.407
1994	2587408247562.7344
1995	2943707045380.239
1996	2845858809656.361
1997	2705451371780.2944
1998	2385830906662.368
1999	2637247688663.3613
2000	2852030853986.6255
2001	2588700497723.3496
2002	2617973818401.8877
2003	2902579500730.115
2004	3285885255491.6973
2005	3564649249644.511
2006	3858787923348.9707
2007	4366000444502.4297
2008	5063304695590.552
2009	5133040818077.166
2010	6125316835797.785
2011	7106902840567.023
2012	7566317605879.084
2013	7689804951487.02
2014	7966949524541.923
2015	7783084273251.143
2016	7875954611809.657
2017	8524456916564.823
2018	9319050806806.889
2019	9326976534576.705
2020	9300674515233.156
2021	11065870014036.373
2022	10894202767766.09
2023	10646728906039.979