Year	including construction (current US$)
1977	4727793.703703703
1978	5782150.37037037
1979	5594194.814814814
1980	9983485.925925925
1981	10980823.703703703
1982	12210726.666666664
1983	12255715.925925924
1984	13107524.814814813
1985	13473061.481481481
1986	13797090.74074074
1987	15628936.296296295
1988	19765772.962962963
1989	22953968.148148146
1990	25148148.148148146
1991	27785185.185185183
1992	32533333.333333332
1993	34574074.074074075
1994	36266666.666666664
1995	39581481.48148148
1996	41977777.777777776
1997	44133333.33333333
1998	48092592.59259259
1999	49955555.55555555
2000	52888888.88888889
2001	52344444.44444444
2002	51540740.74074074
2003	46718518.518518515
2004	48737037.03703704
2005	47422222.22222222
2006	51362962.96296296
2007	56514814.81481481
2008	58277777.777777776
2009	55566666.666666664
2010	57814814.81481481
2011	64322222.22222222
2012	61985185.18518518
2013	61388888.88888889
2014	65003703.7037037
2015	67774074.07407407
2016	69100000
2017	57748148.14814814
2018	89596296.29629628
2019	92222222.22222221
2020	61662962.962962955
2021	67588888.88888888
2022	72848148.14814815
2023	79766666.66666666