Year	including construction (constant 2010 US$)
1960	39756265773.946
1961	46423999824.7511
1962	51410662262.5895
1963	55577572294.7154
1964	60754791050.8145
1965	70882777249.7757
1966	79645606417.0006
1967	89307528074.6606
1968	103676337375.044
1969	123019829033.363
1970	138079556168.97
1971	158948337969.204
1972	179941175923.394
1973	201267741791.757
1974	203112824907.747
1975	183221185433.561
1976	216652460149.673
1977	197985760112.792
1978	153784007882.714
1979	120510823807.421
1980	58574523495.8377
1981	58028203876.7479
1982	101124465542.606
1983	107417271504.362
1984	89577869695.6613
1985	89339804835.6818
1986	82751868827.1682
1987	90746892956.9
1988	90165676882.5934
1989	95045252603.9679
1990	112396009283.439
1991	130117719839.146
1992	131579822506.954
1993	136311971544.638
1994	131574060475.063
1995	132319621627.515
1996	139313995396.789
1997	135483771920.51
1998	136293028835.989
1999	135381264500.599
2000	147832207488.645
2001	144451815636.314
2002	155032423887.535
2003	171802968589.984
2004	176992988478.76
2005	182146712840.184
2006	189138292769.458
2007	198833555406.263
2008	204488929557.603
2009	202792859103.516
2010	215330434444.453
2011	219288656682.496
2012	179968536150.431
2013	171845083963.623
2014	180657406450.006
2015	178082837598.872
2016	222079212307.853
2017	228824217545.23