Year	including construction (constant 2015 US$)
1960	349069845047.49005
1961	347547521763.7981
1962	363029736131.721
1963	380053990545.0082
1964	416481333701.08594
1965	451362298203.3664
1966	489132778914.5856
1967	509268250179.7312
1968	553601038472.9938
1969	620220888061.3795
1970	683461715775.4104
1971	739381642873.4261
1972	806445786623.1472
1973	887887892366.1383
1974	931973203740.6144
1975	953546697521.3865
1976	1032365781142.3182
1977	1061072396084.8824
1978	1082002527416.008
1979	1128749412528.6077
1980	1150796072493.273
1981	1158098109313.0889
1982	1193205005399.1963
1983	1184877032861.0515
1984	1245784774299.2578
1985	1306429304296.9404
1986	1364974465560.8296
1987	1439200864977.557
1988	1487141791157.2761
1989	1529477792919.1978
1990	1590397528757.413
1991	1640547647373.1506
1992	1715764587703.0266
1993	1828122666938.539
1994	1958583688621.7341
1995	2057811162815.1897
1996	2218990111557.9155
1997	2381915806018.3306
1998	2451427612792.4136
1999	2532613102741.532
2000	2701082383073.7056
2001	2781074179639.173
2002	2931597035782.816
2003	3150391450396.124
2004	3430059975977.012
2005	3699945614925.01
2006	4044710572798.227
2007	4442142396683.382
2008	4711854126265.332
2009	4873886679035.507
2010	5360945314004.56
2011	5765410602848.594
2012	6115207716191.967
2013	6455388106036.478
2014	6771468268647.744
2015	7046730650393.431
2016	7378357889726.531
2017	7731184905457.771
2018	8050744022845.35
2019	8305303572664.471
2020	8291633637607.525
2021	8984882740706.943
2022	9295397248056.582
2023	9599004475859.865