Year	including construction (constant 2015 US$)
1988	72056690529.26445
1989	71625604145.12227
1990	67481891895.897446
1991	63856650442.09383
1992	59395290910.22356
1993	57213427177.53857
1994	55911977258.58958
1995	57130435769.45196
1996	59711860926.10908
1997	61290268517.944756
1998	63658131133.95167
1999	66318523665.71724
2000	70730947889.75687
2001	72782252192.44807
2002	77346151989.27963
2003	80177611893.72142
2004	85656260989.71193
2005	91626324445.24783
2006	98444061099.68042
2007	103351885218.5028
2008	107997919350.53304
2009	111616442119.84145
2010	118191738411.78346
2011	127854559777.57834
2012	133431288058.66008
2013	143078958921.6074
2014	151709981395.1125
2015	160213186201.02985
2016	167634080711.11664
2017	180232765708.11337
2018	192721088249.85117
2019	204310052530.60205
2020	206464513704.7098
2021	217174291484.12918
2022	230559305580.1508
2023	239871749467.74707