Year	including construction (constant 2010 US$)
1979	572367212.347699
1980	578544983.958815
1981	597575996.98396
1982	586492685.669549
1983	543753670.502971
1984	546588195.456996
1985	523178325.68781
1986	571057676.755176
1987	514784668.41096
1988	489463804.98477
1989	594941118.855595
1990	618290408.626395
1991	605095545.827717
1992	640631495.794914
1993	669380455.223392
1994	716208966.410001
1995	730335408.165161
1996	760368374.984163
1997	757939899.382269
1998	768193117.466118
1999	816704060.334269
2000	831879995.867215
2001	879499548.059698
2002	896972767.306085
2003	900335053.882786
2004	958499402.865966
2005	932288322.626372
2006	947060780.864957
2007	933789129.238444
2008	1011869190.96069
2009	1006717159.61952
2010	1072714081.58122
2011	1089669221.95118
2012	1061729325.80823
2013	1074315476.27063
2014	1083197444.67017
2015	1138125434.72803
2016	1223137473.10123
2017	1250591963.12123
2018	1293610762.43881