Year	including construction (constant 2015 US$)
1961	4626072061.327003
1962	5056745014.448818
1963	5919555794.720482
1964	6386850597.711595
1965	7164698686.539733
1966	7394683903.01722
1967	7586582395.701232
1968	7547030797.983521
1969	7170558182.444096
1970	8144699386.040175
1971	8658862857.155024
1972	9333087523.977331
1973	9631059474.190557
1974	9839387320.72784
1975	10598205718.778648
1976	12358966081.60355
1977	13961240998.278885
1978	15689094670.549383
1979	17775351943.039543
1980	19503205615.310043
1981	22261056653.981255
1982	25579567416.021698
1983	26169264262.01363
1984	28864927321.5605
1985	32328563454.499054
1986	36067583870.58096
1987	37107062575.51843
1988	38053453634.85029
1989	40192536245.93613
1990	42659174782.83585
1991	44963459519.98375
1992	47347496983.0874
1993	48059575099.00554
1994	49129814409.0995
1995	51808162548.04399
1996	54405115310.83461
1997	57076863821.07076
1998	59703514901.41874
1999	63725043309.517105
2000	67984270844.06015
2001	73016833499.51079
2002	73228841202.98315
2003	74496295100.71474
2004	76522539360.26028
2005	79121471312.6894
2006	88017739375.15298
2007	94138301019.62514
2008	101097039136.7736
2009	106540696304.36536
2010	111683659011.97269
2011	112161548176.73387
2012	113503795059.74255
2013	114925268842.2245
2014	118023473161.3928
2015	120647640889.48787
2016	122181574824.94763
2017	125205990564.69601
2018	133127982945.28265
2019	140394102046.03555
2020	141254064337.41043
2021	139604708222.508
2022	149180008149.97845
2023	148333916718.08804