Year	including construction (current US$)
1965	79800498.7531172
1966	81900511.87819923
1967	82688016.800105
1968	77836787.56058323
1969	81679012.34567901
1970	99259259.25925925
1971	80691358.02469136
1972	93135765.67475924
1973	93221909.09888738
1974	106028917.8394827
1975	123906437.80905287
1976	122694428.29445629
1977	145679992
1978	178773228.7305394
1979	207416658.33333334
1980	217333333.33333334
1981	262333333.33333334
1982	288567084.6599264
1983	293501496.8649197
1984	305433064.880769
1985	373927958.8336192
1986	427586611.22876817
1987	442449191.2741888
1988	529403763.31897527
1989	551871650.4895545
1990	556712777.1422734
1991	644979410.8330693
1992	659777282.8507795
1993	714458333.3333334
1994	829285714.2857143
1995	936285140.5622491
1996	971825613.0790191
1997	1052621427.318955
1998	1023502824.858757
1999	1028933038.9992641
2000	1139264514.2608948
2001	1000829931.9727892
2002	1025431318.3195047
2003	1074363584.4528642
2004	1211643201.6500723
2005	1338816902.10164
2006	1453141181.3668082
2007	1638999822.6635928
2008	2013541219.6633766
2009	1936835396.112047
2010	2272499195.019856
2011	2889494572.8009624
2012	3033477527.033202
2013	3058015847.4113865
2014	3083444463.1035585
2015	3206284530.6060925
2016	3103628509.484052
2017	3726495511.107492
2018	4370933124.065934
2019	4447853007.119057
2020	4027859899.0075226
2021	4354193009.334831
2022	5016587964.704508
2023	4930903504.521258