Year	including construction (constant 2015 US$)
1981	111900937753.4882
1982	110242540490.63828
1983	110742383751.74109
1984	117214177770.26544
1985	116941300364.06372
1986	117327571511.64577
1987	118732096950.37785
1988	123246452419.971
1989	124733279278.37584
1990	121224655716.4752
1991	116413408350.36774
1992	111690209217.5482
1993	110243954381.8149
1994	112464190830.46875
1995	114319592485.76186
1996	117800166298.55415
1997	120241664615.25835
1998	120132480053.53352
1999	122256161704.32799
2000	128770638596.26064
2001	131070022171.01552
2002	136117988372.75246
2003	138719898628.8903
2004	147944983855.4899
2005	159923311908.3541
2006	172209061427.2045
2007	186675293247.92108
2008	192172885227.11258
2009	187413719030.3129
2010	198886476506.90692
2011	205210528059.64285
2012	205189375898.20532
2013	211110536131.98962
2014	219964227371.553
2015	226543285746.19208
2016	231160978623.23697
2017	237076978883.4422
2018	243726496295.91394
2019	248250830112.4748
2020	236497564600.3313
2021	246749781906.734
2022	253395186374.23456
2023	258353370832.37256