Year	including construction (constant 2015 US$)
1977	41224942.80794693
1978	42547970.59669973
1979	51752625.46887732
1980	62630853.95417812
1981	71013799.25955199
1982	56392646.004360795
1983	56068485.34956666
1984	62295385.36956559
1985	73354540.73196079
1986	91126837.09654611
1987	111420801.81063466
1988	123686136.35365918
1989	134982758.2422408
1990	127617526.62052293
1991	134779215.5055096
1992	130376661.49621251
1993	123165971.58201277
1994	128439236.18732662
1995	130764900.41997755
1996	144232644.83369192
1997	154730173.0151066
1998	167251820.63401484
1999	181115342.59137323
2000	192962283.73111695
2001	158993262.55664337
2002	168043375.7213028
2003	183486238.54329774
2004	185676207.61812785
2005	220858946.5931097
2006	301043476.93538404
2007	324974825.7410579
2008	324594125.43717176
2009	303546298.7351899
2010	228209100.97506967
2011	198243086.95630974
2012	202321480.31081262
2013	213795259.76654914
2014	224436021.7256635
2015	228962962.96296296
2016	261997195.2724488
2017	288205207.28156054
2018	349219027.2717075
2019	357066730.5656771
2020	286640943.65668195
2021	318227760.9494126
2022	328291818.4877886
2023	341077317.80245954