Year	including construction (current US$)
1960	136716905.78760788
1961	153845220.047246
1962	163545288.47432384
1963	164179974.0050818
1964	181989905.36086804
1965	190872215.53232145
1966	198392149.24670008
1967	211713695.83151752
1968	211170267.7038431
1969	222269404.58671245
1970	228245333.56508178
1971	241246642.27866647
1972	280733469.61680514
1973	319197455.42339754
1974	427028655.00722235
1975	554813351.5527996
1976	518170230.9014687
1977	561574920.8032815
1978	651470604.3087027
1979	809527578.5382705
1980	902276968.4459058
1981	794143064.5866381
1982	825085775.650167
1983	757207802.560499
1984	741673811.2881885
1985	778735855.3747507
1986	1073143509.7623978
1987	1300331009.2766683
1988	1373050370.7661922
1989	1345121923.7089503
1990	1641477758.3357565
1991	1605932397.068659
1992	1875259014.5397062
1993	1742295068.2335749
1994	1219773289.7057483
1995	1507256377.885483
1996	1589117362.6132514
1997	1411184289.450775
1998	1533717026.1077695
1999	1532464468.2543354
2000	1443657163.6817873
2001	1554351531.5251
2002	1736452242.5345078
2003	2122786141.4925473
2004	2525993014.4769077
2005	2607143690.957444
2006	2739092904.3727517
2007	3307573624.179983
2008	3721651825.588061
2009	3552208580.4291587
2010	3510606175.1379
2011	4151820631.3030186
2012	4081744610.719141
2013	4596141343.691324
2014	4583579549.087402
2015	4194242110.547684
2016	4444780699.555134
2017	4887515731.109645
2018	5551116503.83411
2019	5516979418.852467
2020	5693296868.814591
2021	6580903752.52911
2022	6846205346.632357
2023	7351975595.189683