Year including construction (constant 2010 US$) 1991 2013017924.84245 1992 2265365021.29353 1993 2487459717.67827 1994 2686480428.52405 1995 2813705194.42786 1996 3142201373.79768 1997 3169903708.19237 1998 3272681959.46932 1999 3069948920.59701 2000 3045214730.74627 2001 3098947020.82919 2002 3228712941.35987 2003 3338350805.57214 2004 3585233581.4262 2005 3757621644.97512 2006 3774719675.22388 2007 4437739690.14925 2008 4846893365.24046 2009 5080036585.73798 2010 5406986092.73632 2011 5572240296.51741 2012 5613259604.24544 2013 5907070415.72139 2014 5675265476.55058 2015 5353381347.33002 2016 5384284851.34328 2017 5175986002.52073 2018 5844412547.79436