Year including construction (constant 2010 US$) 1991 656.425212034345 1992 563.403566563742 1993 636.131674593582 1994 655.064118405553 1995 660.158372279203 1996 616.015687447537 1997 616.628088888467 1998 657.79617972375 1999 650.163792793859 2000 632.068939556699 2001 622.673164112599 2002 655.869742263712 2003 716.727861391824 2004 727.130526104214 2005 726.260767647042 2006 759.528022483619 2007 787.026522288173 2008 827.673895226043 2009 881.303576320516 2010 926.735968520694 2011 1007.72781682441 2012 1156.82264165059 2013 1343.2668625322 2014 1399.22304884676 2015 1478.97613709468 2016 1620.58655015979 2017 1790.1894386505 2018 1850.21610470026