Year	including construction (constant 2015 US$)
1965	189940824.30497268
1966	194172808.8210352
1967	197791818.0058875
1968	202230267.31145227
1969	206783871.85650834
1970	212510831.64660847
1971	218383940.8765658
1972	224452206.64681268
1973	232512695.85142875
1974	238223329.35619378
1975	244867557.86338156
1976	252857295.45200047
1977	273420111.2106126
1978	287062425.9497534
1979	303162560.5442793
1980	387913016.7805545
1981	358132997.2741636
1982	393614429.30637574
1983	463430715.0060854
1984	448090391.4152884
1985	469395891.3097836
1986	490523747.5551654
1987	474963663.7494435
1988	455420819.83542275
1989	468003933.89551294
1990	478217349.40597034
1991	368914769.890566
1992	421418351.35417527
1993	367626344.9650229
1994	127394751.83052969
1995	189050318.1274302
1996	221286427.79141113
1997	260660125.42663535
1998	287385089.8081686
1999	382589311.1418513
2000	388657263.4831241
2001	438659909.76165813
2002	470096976.7123731
2003	491993314.4367619
2004	568253601.252686
2005	620867202.8194933
2006	693697196.9135857
2007	756306715.1698071
2008	870488366.0772902
2009	881995505.1441568
2010	956079388.9699025
2011	1126392330.1589377
2012	1220148809.2227328
2013	1334234567.304659
2014	1368159992.3869221
2015	1490601778.4579103
2016	1590301185.039783
2017	1614263466.9299743
2018	1753862785.7762957
2019	2043854828.5936828
2020	1957678738.0818481
2021	2218599474.9233437
2022	2328594615.0036516
2023	2567236656.651764
