Year	including construction (current US$)
1995	29311448852.32851
1996	31196372498.05043
1997	30091518582.046883
1998	31403650934.99555
1999	31699492269.504704
2000	29012697494.25104
2001	29359954865.17287
2002	31672898740.496918
2003	37390212661.04306
2004	42112820440.71671
2005	42179405193.76185
2006	44147089432.274055
2007	50872998623.50487
2008	53700803152.65468
2009	48584143669.90934
2010	47503767646.95009
2011	47417996873.19076
2012	41327973224.25118
2013	42723302177.13816
2014	43536029517.08573
2015	38810823046.784355
2016	39897966279.532394
2017	42317573320.613014
2018	46764754624.44859
2019	45196074205.01954
2020	44433223028.219574
2021	49171754229.49533
2022	47519743319.37567
2023	51728327969.7813