Year	including construction (constant 2015 US$)
1960	438975681922.6498
1961	443702499211.8348
1962	467165271802.6208
1963	494796063530.0035
1964	540213447453.8913
1965	582294077377.5038
1966	626297861561.4215
1967	651809811331.0193
1968	704328422786.0787
1969	781687356123.2101
1970	852915997380.2405
1971	916915583795.423
1972	992953946424.8315
1973	1087560385209.5157
1974	1140903471596.2273
1975	1172717999802.8438
1976	1270474557576.7034
1977	1313899360690.3704
1978	1347612394349.0251
1979	1404637378479.5835
1980	1438943608556.3267
1981	1463391056692.1426
1982	1497554082348.6929
1983	1485914155207.2698
1984	1553661399173.17
1985	1622088039542.4053
1986	1692551991433.9358
1987	1782747339356.5427
1988	1854752548637.403
1989	1913997151210.5525
1990	2004032975603.9524
1991	2057558104400.4143
1992	2145710772966.509
1993	2263848903358.2363
1994	2410932202960.1772
1995	2536907723303.174
1996	2725583622727.465
1997	2911459674306.67
1998	2999030233395.009
1999	3099770105835.2583
2000	3300155389814.987
2001	3404642087198.781
2002	3583780233465.7817
2003	3843493255266.392
2004	4174784495309.778
2005	4498973320397.855
2006	4913274446420.198
2007	5369433996239.569
2008	5682907299864.768
2009	5892424784107.207
2010	6443116981786.839
2011	6895141443180.776
2012	7291344008698.204
2013	7679169742193.672
2014	8065545768186.853
2015	8425474965636.894
2016	8832204092361.932
2017	9265824249624.29
2018	9669061936589.924
2019	9957367873769.193
2020	9911100663343.312
2021	10722614651883.041
2022	11091281329052.496
2023	11483229859534.457