Year	including construction (current US$)
1965	190476190.47619048
1966	200571428.57142857
1967	219238095.23809522
1968	246095238.09523806
1969	276952380.95238096
1970	296190476.1904762
1971	345561532.70978
1972	448768872.502269
1973	582311027.6188579
1974	960807132.9735079
1975	1122388861.1295483
1976	1134394495.9477582
1977	1315617715.6177156
1978	1573872278.4624588
1979	2077192947.9262514
1980	2720424796.245987
1981	2698439056.7917633
1982	2525533827.5601125
1983	2714038838.0696173
1984	2765459242.8488493
1985	2753518291.280006
1986	2748892042.9858356
1987	2857860020.1288342
1988	3089516952.5905685
1989	3145616709.205843
1990	3661136363.6363635
1991	3788695652.173913
1992	4410057064.808753
1993	4103345281.954925
1994	4567724510.999907
1995	5300200909.379296
1996	5580085637.266182
1997	5497925686.404295
1998	5619794067.926848
1999	5975763451.284536
2000	5756327320.029503
2001	5833477559.457655
2002	6150170249.96958
2003	7017613302.102202
2004	7976766947.65899
2005	8530690987.511494
2006	9345203884.224564
2007	11249783432.88917
2008	14108033002.689625
2009	12185517764.899744
2010	13641679474.640213
2011	14700774196.02311
2012	14250921318.503456
2013	14185939440.793077
2014	13638181630.759716
2015	11397597655.005417
2016	10649724096.417513
2017	9960676813.705736
2018	10110821586.42652
2019	9736804350.27823
2020	9140692614.524893
2021	10957724675.22429
2022	11084801442.880608
2023	11410312530.174772