Year	including construction (constant 2010 US$)
1977	28861044.0830353
1978	31660311.9411176
1979	35963181.5809105
1980	34063586.6503979
1981	36060894.1492266
1982	41000648.2193714
1983	39150248.1322214
1984	37062474.6375533
1985	42214617.7687296
1986	47426828.9090331
1987	55136942.2630199
1988	59673225.1184128
1989	60497038.8749268
1990	60809219.8117219
1991	65127588.3529332
1992	65417864.6331988
1993	64684030.3228492
1994	68204301.9655237
1995	71835979.8422221
1996	75668643.6594861
1997	81934386.5573361
1998	95618379.1450904
1999	103378205.722468
2000	115841979.677228
2001	105425186.760091
2002	107975914.130856
2003	122836100.253557
2004	122042284.330752
2005	192599593.437973
2006	151465642.182291
2007	148681933.165902
2008	142154933.348188
2009	114702081.011845
2010	113412703.703704
2011	106722087.606114
2012	97447053.5697715
2013	107994598.961201
2014	106204079.621493
2015	111860663.979612
2016	120962863.335267
2017	139152917.718856
2018	153416636.104737