Year	including construction (constant 2015 US$)
1989	7303671256.900075
1990	7282626066.749843
1991	7674700554.428292
1992	8082905278.439407
1993	8001534380.422427
1994	8295276737.710686
1995	8739731509.755793
1996	9146448330.778566
1997	8591038824.68206
1998	8568351973.040845
1999	8876536925.72363
2000	9141053521.178675
2001	9217030619.393288
2002	9631277365.895882
2003	9966612071.346891
2004	9912143660.34498
2005	9734673294.25834
2006	10012749585.474754
2007	9454758834.95322
2008	8940341588.012222
2009	8491839682.13972
2010	8637917193.591692
2011	8918508688.475212
2012	8794794354.898825
2013	8299109861.783312
2014	7937014108.29011
2015	7934331749.473239
2016	7700861513.463243
2017	7817488616.793333
2018	7789048679.391522
2019	8115551291.7985325
2020	8351644779.810462
2021	8003648357.874236
2022	7610901345.04632
2023	7502083342.550887