Year	including construction (constant 2015 US$)
1970	34891639971.065384
1971	36345478970.75537
1972	38166621886.9484
1973	39789108194.6884
1974	41764761806.3449
1975	45082153559.987564
1976	47415438669.00896
1977	48780117805.10485
1978	54212173194.171715
1979	56522765319.8305
1980	59859253901.00234
1981	58867830939.340675
1982	59568089283.86894
1983	63763315076.98665
1984	69399235300.19632
1985	72161330991.00958
1986	74909290069.23631
1987	78477916709.72408
1988	78918879818.12544
1989	83496414177.94771
1990	84586297406.22093
1991	87054004340.18806
1992	91988178154.38667
1993	93177885708.38068
1994	99839950397.85056
1995	105188426165.1338
1996	111262333367.77925
1997	118097385553.37395
1998	116634866177.53433
1999	116871592435.67218
2000	122744114911.64613
2001	124749157796.83783
2002	125640136405.91087
2003	126117929110.26138
2004	130100361682.3395
2005	131159491577.96829
2006	128917226413.14449
2007	128199483310.94339
2008	127347814405.29082
2009	121958168853.9836
2010	118841789810.89172
2011	117766539216.69931
2012	119940353415.31459
2013	118942234163.48035
2014	120857745168.95726
2015	122653094967.44853
2016	123608556370.776
2017	127992146326.34074
2018	125668905652.57822
2019	124912968895.31873
2020	128927766869.89761
2021	133039785057.35239
2022	133848052082.25679
2023	134147401054.04556