Year	including construction (constant 2015 US$)
1977	30750919.419237405
1978	38567777.39186631
1979	43001859.54566489
1980	46716859.68480429
1981	50341084.92403789
1982	46459310.867452994
1983	43379390.062167056
1984	51334782.2846705
1985	62496856.17569314
1986	71065529.05750363
1987	76167104.98889568
1988	88990868.09895834
1989	104845750.39077824
1990	98476969.92079557
1991	105204466.87417233
1992	119482901.76243325
1993	118619067.56221755
1994	120561418.79291748
1995	127628399.73515718
1996	122530804.42587812
1997	121002075.930704
1998	134432853.831347
1999	146424149.33584523
2000	140710770.41951644
2001	126718639.62266725
2002	123305790.62401877
2003	132656364.26806459
2004	157772590.6404008
2005	135737489.93187806
2006	172886703.4170182
2007	157702091.28885612
2008	193337921.10687906
2009	188329065.22777846
2010	185668800.42593274
2011	188719670.72121882
2012	189396435.5435421
2013	182458691.34892356
2014	183468409.98757696
2015	196370370.3703704
2016	198549046.4294003
2017	206235936.71076164
2018	198505617.67074853
2019	201556487.96603462
2020	205595362.52064818
2021	224685921.01131728
2022	228406318.00248465
2023	236397209.59440833