Year	including construction (current US$)
1987	29285714285.714287
1988	34157894736.842102
1989	37910526315.789474
1990	33909523809.52381
1991	41879487179.48718
1992	38541409691.62996
1993	24592225272.292572
1994	22401461542.826958
1995	18400250813.41905
1996	15052455111.291855
1997	15286373759.304878
1998	12828112357.330471
1999	10111508647.258574
2000	10246803767.412169
2001	11756668714.283056
2002	13281580738.272358
2003	15825039829.819408
2004	19743748824.9671
2005	26937814662.980225
2006	34173465346.534657
2007	45599603960.39604
2008	52827857422.34852
2009	30096107936.605724
2010	36219137488.48706
2011	42061041751.411316
2012	44307810671.19141
2013	42729388214.68785
2014	30464237259.603394
2015	19779170213.29386
2016	21638361425.669594
2017	26104533789.01052
2018	30488897039.068264
2019	34747437947.72872
2020	32576396853.064102
2021	46253216233.311295
2022	29175659790.697647
2023	33670051420.864704