Year	including construction (current US$)
1960	71764506.42054223
1961	85806154.07229994
1962	90223100.08098277
1963	111875509.07571879
1964	147957835.97627273
1965	146494170.30296636
1966	183166222.68318972
1967	204470757.74971232
1968	208834296.46070614
1969	210031846.98307365
1970	269172016.66926086
1971	311959277.20699865
1972	365039321.26456916
1973	445064255.09218186
1974	493966318.5094524
1975	663515805.1615185
1976	762919537.215939
1977	949610460.8762385
1978	1301982519.7537525
1979	1559784796.5108807
1980	2008713029.0481727
1981	1567455585.2759526
1982	1610894484.71329
1983	1468879338.5406828
1984	1337423196.102471
1985	1377812156.307218
1986	1949109224.5427036
1987	2256088325.4530606
1988	2322881026.86288
1989	2125524740.6588628
1990	2835768826.2648196
1991	2581025397.0064945
1992	2726009159.6112566
1993	2513340425.8901033
1994	1749157862.8506413
1995	2284510377.280044
1996	2478631564.705889
1997	2772290405.534591
1998	2872739894.7142754
1999	2711283807.3013263
2000	2310378161.24107
2001	2383501500.1883683
2002	2617980931.1895967
2003	3232887258.927064
2004	3650269624.399099
2005	3899792102.4915066
2006	4192658045.8223124
2007	4740574921.217731
2008	5932625015.162274
2009	6105152357.191268
2010	5581626975.294229
2011	6150746845.891069
2012	6437289590.55641
2013	8115691539.785419
2014	9693162428.596249
2015	9218692760.033987
2016	10078841389.310833
2017	10401940561.269632
2018	11184629788.385471
2019	13068090256.224625
2020	13048154289.296871
2021	16089824066.089762
2022	16579469898.777576
2023	19266115367.77716