Year	including construction (current US$)
1981	82866029694.41121
1982	66381430916.8973
1983	47621631148.431915
1984	36242307738.417625
1985	39776182075.32897
1986	33750629885.432045
1987	33968509475.3914
1988	32394539293.53607
1989	32033695937.819324
1990	39919338575.77579
1991	42524068469.98011
1992	40092906745.87894
1993	39980288910.88706
1994	42481361851.730446
1995	74101683674.61435
1996	95621358523.24835
1997	96356609004.17665
1998	86797827027.15564
1999	38912659498.35797
2000	45287599930.858894
2001	41757675659.92185
2002	45088883446.674904
2003	56515466103.66269
2004	74468299235.10292
2005	92080202784.51721
2006	111413465141.87607
2007	125372396681.58644
2008	158870128277.26053
2009	124477406363.40077
2010	162897661899.9215
2011	205953965813.2106
2012	218137317901.52682
2013	238894843882.15817
2014	243760879128.63373
2015	176735982080.46353
2016	148561286578.30423
2017	166941180600.05954
2018	204584623196.6465
2019	226569385629.99524
2020	214194913526.53897
2021	249372150727.54675
2022	265698820862.9755
2023	241281026317.49878