Year	including construction (current US$)
1978	31050000
1979	30350000
1980	46087781.68678
1981	40762796.629015
1982	33626213.405935
1983	35392361.51363
1984	44358514.4248
1985	40867454.06865
1986	43570368.29365
1987	59398379.2675
1988	67742362.33725
1989	75545773.29005
1990	127907773.6802805
1991	139774628.1602665
1992	159769653.3212945
1993	176867103.0952205
1994	163820220.139676
1995	173817370.001488
1996	182102188.6755425
1997	178588987.00404048
1998	190683721.818114
1999	200999544.74256653
2000	257965032.6855545
2001	244109204.5574865
2002	246849612.942086
2003	225953227.050647
2004	244438256.68122402
2005	251259615.155298
2006	301542033.546574
2007	342396891.048978
2008	351021127.02650154
2009	326803059.335695
2010	315073046.565009
2011	340690648.57138854
2012	300807673.1096225
2013	319487730.8582225
2014	338101633.2267015
2015	325963888.7854895
2016	352576013.3649565
2017	326442761.515225
2018	319568079.7043325
2019	341581017.32338953
2020	339860950.57838255
2021	417737212.187257
2022	440473405.06320596
2023	432000000