Year	including construction (current US$)
1960	65803863.675073996
1961	69680027.28792797
1962	73513209.25934102
1963	81265636.43093355
1964	82398507.2611372
1965	79069956.53578958
1966	82532624.13908958
1967	99563939.46758041
1968	104608426.91890468
1969	107350580.01526031
1970	101997563.43575796
1971	116956056.70870468
1972	134895260.90724966
1973	176794034.45971623
1974	172591848.53033262
1975	243835932.41470763
1976	258464488.0457958
1977	240985919.60514832
1978	316520458.63112086
1979	361236179.61508423
1980	382097351.0664579
1981	333252051.98089457
1982	330617643.1767414
1983	325773713.6667829
1984	291481593.0511517
1985	298537843.85961056
1986	422115232.26008874
1987	534347643.1995652
1988	562773219.7384737
1989	578731048.6239105
1990	631708595.0167011
1991	603668302.2180078
1992	680055046.7371674
1993	635207495.4084946
1994	386851622.1988151
1995	474592227.6032581
1996	478310568.08781064
1997	481769446.007525
1998	500841612.5199386
1999	761453883.6839222
2000	649204935.9225938
2001	658458283.4015017
2002	747428992.8740252
2003	1072602300.0143477
2004	1235307685.3368316
2005	1239463281.6853015
2006	1342473321.6331034
2007	1719473485.986209
2008	1942073753.082906
2009	2169490679.864345
2010	2634117231.941546
2011	3427454300.9489856
2012	3374832050.9537973
2013	3239505247.122844
2014	3475929665.084668
2015	2882476794.293742
2016	3193135454.850525
2017	3548008354.3332615
2018	4066179498.4387136
2019	4397145544.011134
2020	5223467863.851207
2021	5608851934.115277
2022	5408081694.908982
2023	5945101908.747852