Year	including construction (constant 2015 US$)
1980	5676929288.640973
1981	5987326345.174784
1982	6546935231.650902
1983	7047065883.900334
1984	7479143925.869416
1985	7860137333.073581
1986	8268307845.728334
1987	8712630210.284267
1988	9576423204.02593
1989	9668855839.100924
1990	8460248857.337194
1991	6886642614.023148
1992	6445897435.897438
1993	6046251815.293853
1994	6409026889.040165
1995	6058421942.364422
1996	6091155264.352168
1997	6597612094.395281
1998	6774449625.595644
1999	6715842920.353983
2000	7446838665.75902
2001	7910782448.377582
2002	8272216587.247561
2003	8903750283.639664
2004	9258159745.85886
2005	9673141309.280687
2006	10568137848.876785
2007	11834203085.999544
2008	12490084240.980257
2009	12140827206.716585
2010	11272068243.703197
2011	11515663433.174494
2012	11970903619.242115
2013	11631194917.177217
2014	11695814102.564102
2015	12210193442.250965
2016	12689552416.60994
2017	12813759813.932383
2018	12813971012.026323
2019	12813896641.706379
2020	11790204617.653736
2021	11907253517.13184
2022	13326543340.140688
2023	13447849885.807865