Year	including construction (current US$)
1960	110084049031.77899
1961	88643802051.18834
1962	87178487555.41689
1963	98251807010.82689
1964	115995367905.98804
1965	132244857149.02739
1966	140485145801.07135
1967	138473106700.55997
1968	141816049769.9376
1969	167358829196.86414
1970	194080187304.68698
1971	214816133840.02097
1972	243781838044.13766
1973	310740727403.8767
1974	402101832271.67896
1975	456539885252.0976
1976	490485068970.86993
1977	549964573745.4391
1978	570645539063.6461
1979	718938426068.7355
1980	829193077978.4692
1981	842232262938.7017
1982	809290258792.3766
1983	819800704703.6273
1984	822506754459.1918
1985	832059614275.7006
1986	814218934683.5282
1987	831882146022.6589
1988	913994938218.256
1989	953459839275.0183
1990	1102353452249.0227
1991	995679141036.7997
1992	1066370659498.9071
1993	1211674773187.7053
1994	1377602304640.1414
1995	1519979719784.519
1996	1701591182682.0964
1997	1811158985491.804
1998	1739450191138.2031
1999	1719100234606.861
2000	1914002937088.4448
2001	1905859786405.9048
2002	1980355900545.2615
2003	2221625282591.3403
2004	2664011043096.89
2005	3197373185617.2427
2006	3836358967483.181
2007	4689817800375.027
2008	5695733335908.503
2009	5499336479910.249
2010	6762219703697.189
2011	8110098869110.423
2012	8577645547845.218
2013	8903593087629.145
2014	9149648739837.076
2015	8524831912130.333
2016	8416559669795.111
2017	9299918840645.367
2018	10091418389446.574
2019	10086577099628.232
2020	9714128341286.756
2021	12038930739287.365
2022	12706114207081.176
2023	12569798395536.818