Year	including construction (constant 2010 US$)
1981	252060236084.6
1982	241016457526.071
1983	224785574712.836
1984	234182937338.685
1985	236424093384.413
1986	232744966696.102
1987	235931428325.291
1988	244571186629.494
1989	247379337214.441
1990	259064747723.634
1991	251294546915.814
1992	252958709148.662
1993	246159785633.75
1994	243835338895.189
1995	244227687572.548
1996	253525511135.993
1997	259987173226.73
1998	261696890841.239
1999	259618028045.784
2000	273875109324.099
2001	282497062703.236
2002	291088419460.793
2003	306521644452.01
2004	320303007924.756
2005	338442784957.08
2006	348186939839.053
2007	365973143451.516
2008	372320554750.225
2009	370516683976.741
2010	388954159545.426
2011	405256984671.483
2012	412254414543.439
2013	428645584524.36
2014	445257627925.784
2015	452038814824.873
2016	448424128116.473
2017	460478288097.788
2018	511364575764.363