Year	including construction (constant 2015 US$)
1971	113895811.90454467
1972	128008567.0443515
1973	136929883.69555244
1974	139513913.32837996
1975	132743997.89091842
1976	134836940.79323542
1977	174053290.3872355
1978	208662846.13112432
1979	205903431.30998453
1980	205006407.43992153
1981	227073256.1677427
1982	231199586.47812286
1983	224920388.62554628
1984	222192689.56606752
1985	216962183.16542527
1986	290394117.8344563
1987	451188230.562631
1988	547158576.9880207
1989	592556823.800132
1990	705492252.0896077
1991	710480629.7220309
1992	746812434.3818783
1993	756034902.085204
1994	787106637.9322304
1995	822092558.1494479
1996	835817915.4633405
1997	888005437.350164
1998	911204404.4412917
1999	917076475.6850778
2000	934884327.2663177
2001	939960202.6660391
2002	1002982661.3647292
2003	1024785929.8618693
2004	1036630582.5000403
2005	1065144395.513201
2006	1191134064.1152918
2007	1282032042.0244026
2008	1231326362.9649045
2009	1191996008.8968835
2010	1301574724.235005
2011	1319993419.5401077
2012	1391956800.624333
2013	1452192958.3954897
2014	1469924878.7723649
2015	1451907690.8593082
2016	1487557160.5924797
2017	1514944054.043227
2018	1509984674.850499
2019	1596357532.3791492
2020	1441770531.5661192
2021	1699632265.8375568
2022	1694095071.200407
2023	1720081561.9727619