Year	including construction (constant 2015 US$)
1978	34299133.880685925
1979	43685763.894413285
1980	45270341.48616832
1981	48479254.10950227
1982	42589184.52197894
1983	43062865.10368599
1984	48602792.23201926
1985	59106434.18533842
1986	58617209.65111923
1987	53960784.34350505
1988	58970038.88285715
1989	62928703.71411876
1990	70645171.02696893
1991	82989208.49773164
1992	79096324.29635525
1993	90100310.8571443
1994	91147939.95066495
1995	113258677.13975556
1996	140174859.1810398
1997	170226111.14767647
1998	185389434.3577537
1999	172227285.08437535
2000	199464661.7591256
2001	197847290.29452628
2002	208977624.08267462
2003	184874261.6798372
2004	191042796.61190438
2005	222392985.28794786
2006	238415030.82342267
2007	239856977.5252648
2008	230581737.31680077
2009	211495426.5330793
2010	212288587.9500907
2011	259362879.502597
2012	247644029.27141476
2013	189622935.83594564
2014	192455088.42169806
2015	203444716.7157694
2016	218025940.19979855
2017	208466059.94560063
2018	221293470.482886
2019	221994838.34852192
2020	233620301.19862577
2021	202349134.73724735
2022	218667501.50324857
2023	223330798.82496732