Year	including construction (constant 2015 US$)
1965	2516351324.7170615
1966	2844082484.353388
1967	3018018476.9278903
1968	3083955087.1504483
1969	3154618617.950229
1970	3269811208.081225
1971	3418674060.756942
1972	3670466531.6941648
1973	3804155756.0023317
1974	3955416171.0277095
1975	4015495804.4496613
1976	4329628541.985669
1977	4809374008.093747
1978	4998483889.351194
1979	4534494651.458128
1980	3606824917.0745244
1981	3105055198.11695
1982	2913102083.8352084
1983	2930228384.8239627
1984	2891694012.4123607
1985	2891043208.2442355
1986	2936702063.582722
1987	3060354847.0875425
1988	3183904803.530225
1989	3270907162.2932005
1990	3340968048.4638762
1991	2940267920.0247765
1992	3069609921.753246
1993	3374682982.0036554
1994	3623537150.590703
1995	3793458767.769227
1996	3915455745.3249435
1997	4124067556.810114
1998	4401825570.013928
1999	4448194969.123284
2000	4444131785.385428
2001	4630612717.962587
2002	4772474182.441567
2003	4861556254.289935
2004	4730771795.528594
2005	4806428959.782359
2006	5019573356.674558
2007	5135342521.771398
2008	5414646343.771538
2009	5094976460.253321
2010	5239784691.006144
2011	5569714098.570263
2012	5686308489.275005
2013	5727946343.386591
2014	5835115470.245529
2015	5927280000
2016	6005803701.374399
2017	6140978975.349852
2018	6232249481.714114
2019	6505617963.95603
2020	5760486372.679036
2021	6317877367.118327
2022	6536209143.073605
2023	6805651644.621336
