Year	including construction (current US$)
1960	133643946.54242139
1961	135897945.64082175
1962	133937946.42482144
1963	129527948.18882073
1964	154531952.18721914
1965	166319933.47202662
1966	189587924.16483033
1967	215291913.88323444
1968	239007904.39683825
1969	263143894.7424421
1970	288175884.72964615
1971	325219869.91205204
1972	393651842.539263
1973	467777487.03363657
1974	544179782.3280871
1975	582988898.6984272
1976	568341889.6170677
1977	713122394.6757597
1978	924574445.334123
1979	1079821449.5213509
1980	1291611788.2204316
1981	1191931736.2656505
1982	1113279452.8637445
1983	1011004230.3968811
1984	1017200440.547736
1985	1027049649.1718016
1986	1171323936.988521
1987	1269732301.6717868
1988	1399800530.7909462
1989	1355938497.7990243
1990	1399505567.7415354
1991	1386039281.053671
1992	1300823082.1446664
1993	826360318.3050982
1994	1040202659.8299838
1995	1226366027.6711378
1996	1974564696.0886736
1997	2088866887.5735245
1998	2190512318.877792
1999	1923478977.9748852
2000	1907817078.61035
2001	1988108921.3638463
2002	2031793565.4460843
2003	2328555155.3621163
2004	2608261823.987228
2005	3187808091.2846184
2006	5006044659.53827
2007	6168624549.894827
2008	6670314404.129799
2009	7786224014.892957
2010	8433944417.609437
2011	9215898026.782112
2012	10862880911.233913
2013	11767070629.396864
2014	12998906623.817858
2015	13248589280.582777
2016	13588045653.483152
2017	14359268235.215733
2018	15963236662.048311
2019	16994616540.717033
2020	17514695524.072254
2021	18816849638.473507
2022	20025658088.363598
2023	18389478017.68568