Year	including construction (constant 2010 US$)
1981	164822293837.916
1982	155019147492.705
1983	139495543474.679
1984	141944778755.003
1985	146181056400.363
1986	144349033187.808
1987	156809158347.105
1988	160701058395.816
1989	157915208018.678
1990	207930301314.615
1991	154092924743.856
1992	161511867622.174
1993	152992454364.171
1994	149085967664.685
1995	149622942571.44
1996	158850790744.371
1997	186108211587.967
1998	215789067409.675
1999	229748516876.587
2000	243487072385.507
2001	252303188145.373
2002	246511951827.38
2003	231995262571.411
2004	260410623492.865
2005	272487557173.802
2006	283533709768.783
2007	300645968953.699
2008	315943612983.396
2009	323870049962.502
2010	337887244946.164
2011	354890707246.863
2012	372583937854.439
2013	388070921205.892
2014	406309571136.984
2015	419638105856.71
2016	437556532979.493
2017	440921370350.715
2018	447608326799.433