Year	including construction (constant 2010 US$)
1960	63837751289.8432
1961	52804306369.5717
1962	51529773116.1557
1963	54402726392.4012
1964	60555006744.2719
1965	68168645547.762
1966	76781975077.4558
1967	73962388734.0296
1968	75716819097.2941
1969	91129230752.4664
1970	110390208358.896
1971	122285595161.861
1972	132978869928.427
1973	146120194604.416
1974	153323052000.425
1975	167910062309.689
1976	178472000611.405
1977	199980444643.132
1978	220329513814.696
1979	240170052554.413
1980	265168078667.932
1981	277210321290.425
1982	285914625796.29
1983	306633424343.814
1984	335326307316.215
1985	357204352770.616
1986	386050252950.184
1987	424128836692.427
1988	472796779051.366
1989	500112360447.719
1990	530401577911.928
1991	590020490462.644
1992	671675712272.445
1993	769398280028.077
1994	882911279305.406
1995	995504279704.38
1996	1106727889019.53
1997	1194000374721.19
1998	1211149023951.49
1999	1292689153170.74
2000	1402404713071.09
2001	1491615343375.08
2002	1617366373338.37
2003	1789188794709.07
2004	1961465656100.33
2005	2160465177548.09
2006	2404407630200.91
2007	2704718098565.32
2008	2927445857180.59
2009	3165829242679.15
2010	3524543706572.43
2011	3851004900375.2
2012	4155925992786.18
2013	4460007237233.38
2014	4766018972748.09
2015	5046291016763.62
2016	5347450404364.76
2017	5649744482690.67
2018	5966918373610.43