Year	including construction (current US$)
1981	88640583183.8143
1982	72288216114.288
1983	53189077067.41362
1984	41613742063.636536
1985	44230501603.62185
1986	38264780162.15461
1987	38976434595.64003
1988	40527154831.14009
1989	40506833516.42477
1990	43106450758.192726
1991	48392195951.895195
1992	46091847310.03278
1993	46204329733.43616
1994	49534882551.48027
1995	77591899164.34703
1996	98736121956.31682
1997	98821330835.91084
1998	89721057127.37888
1999	45319803594.41882
2000	54963479403.90145
2001	50906554462.99683
2002	51872603102.283424
2003	62615894340.962135
2004	82979585453.45161
2005	101614314689.98535
2006	122272121019.21565
2007	136178863382.60759
2008	165553408369.88306
2009	140186199019.17905
2010	179515310202.9058
2011	217735769514.42648
2012	238597239600.33954
2013	249291124204.9292
2014	264620455186.123
2015	220559313251.3972
2016	191497841319.00516
2017	204160073603.36603
2018	246391827800.9323
2019	265123961896.21463
2020	246116896160.72986
2021	285278056561.66425
2022	315777200876.5782
2023	282787652765.16956