Year	including construction (constant 2015 US$)
1987	2357690973.8713613
1988	2806824433.26916
1989	2883458106.02537
1990	2820475090.341822
1991	2609118156.754827
1992	1928569289.2128005
1993	1487543632.3711097
1994	932616384.473863
1995	818094242.0843112
1996	839051645.6699846
1997	1005222207.1455785
1998	987274161.4447087
1999	949614013.0711968
2000	1046054559.9734809
2001	1093105694.5423813
2002	994376567.4657722
2003	1120922076.3771393
2004	1155083567.6820078
2005	1041321321.7328027
2006	967920181.3690393
2007	1067580528.6318849
2008	1216552391.44354
2009	1212684615.3984504
2010	1243315024.019078
2011	1334197660.5724304
2012	1182577723.3236942
2013	1539548415.6067665
2014	1627582161.2417042
2015	1674757518.013528
2016	1793112320.0110867
2017	1946646327.8495946
2018	2062124595.5727446
2019	2226418483.882354
2020	2014618430.4113836
2021	2065584577.0453775
2022	2294280941.552094
2023	2407444288.251089
