Year	including construction (constant 2015 US$)
1960	26828070040.129623
1961	28628951618.219025
1962	30653599070.880142
1963	33549528747.422497
1964	35723293222.07676
1965	37339906855.58025
1966	38672298950.695
1967	39964509908.5873
1968	41853282788.01665
1969	44905952670.15033
1970	45062228836.44286
1971	46193268813.72978
1972	47921974981.645355
1973	48206029208.904434
1974	48960424859.89481
1975	52592690620.09438
1976	57014768930.015594
1977	60904696053.668274
1978	64935903023.20879
1979	63014293146.01067
1980	66574946198.606735
1981	72097093763.30386
1982	73509580499.3363
1983	79058675155.83736
1984	82160535410.02002
1985	85829365544.8105
1986	91087805811.01675
1987	96069373509.7323
1988	105209665429.56058
1989	113894303959.60493
1990	122499592170.87315
1991	123218275596.96803
1992	127012064993.25517
1993	133621824422.42914
1994	145843883800.60422
1995	161731298030.08426
1996	171451509267.20737
1997	178991315208.49847
1998	186319391369.1258
1999	197257253336.6876
2000	208692942643.1018
2001	214058562726.48227
2002	229631437231.9219
2003	245881807671.6356
2004	269846130228.94965
2005	295679275082.1458
2006	334829675850.7586
2007	361695975411.2338
2008	376161017397.68365
2009	409430861082.8244
2010	441763535230.1134
2011	457783870689.5298
2012	472749651916.46106
2013	490647442724.5235
2014	524995871899.0662
2015	575276543905.8668
2016	619688376211.0804
2017	656005475735.7847
2018	690881426229.9374
2019	681208860054.9125
2020	678212319968.7264
2021	761253476550.0906
2022	777295989364.2502
2023	847419732962.9424