Year	including construction (constant 2015 US$)
1960	13113859180.023739
1961	14659421154.748737
1962	14612585943.535252
1963	13886640167.854235
1964	13980310590.281206
1965	14214486647.284628
1966	14472080309.894793
1967	14917014817.3589
1968	17586621864.95153
1969	20841669053.648724
1970	23768869763.851517
1971	26461894417.05089
1972	29974535268.35825
1973	33721352177.605026
1974	37478733022.43874
1975	39589407484.3098
1976	43983793685.37724
1977	50209332595.44434
1978	53223223606.62627
1979	58444766015.72426
1980	65723740648.45227
1981	71439675273.5324
1982	70428072738.52885
1983	72567269829.19902
1984	79613465371.0108
1985	79292116790.56425
1986	84563501069.31467
1987	88959568433.39738
1988	93599444096.52396
1989	101087399624.24588
1990	111383338474.86351
1991	122345080441.39995
1992	129401134747.1388
1993	138725642435.3361
1994	154218547352.6629
1995	170288377219.4515
1996	188491408803.98184
1997	198238917277.50345
1998	170581949535.87415
1999	173939160824.80887
2000	184184222003.4379
2001	189219716308.91614
2002	197285608811.36923
2003	204693842023.45593
2004	212760975392.4593
2005	222769170392.11798
2006	232768275313.28427
2007	243754936886.93878
2008	252866879919.35477
2009	261940471515.54663
2010	274825976400.43845
2011	292276750357.23846
2012	307782864823.7114
2013	321147264890.201
2014	334738896327.1237
2015	344753718607.34186
2016	357938763419.05365
2017	372582508767.2877
2018	388764748178.13635
2019	403576523248.41254
2020	392275831805.19635
2021	405680517072.4251
2022	422336304150.79126
2023	443443315752.55615