Year including construction (constant 2010 US$) 1989 7956884121.74551 1990 7933956729.00624 1991 8361096883.02164 1992 8805809900.9901 1993 8717161496.14962 1994 9037175064.17309 1995 9521380198.0198 1996 9964472240.55739 1997 9359388998.89989 1998 9334673120.6454 1999 9670420975.43088 2000 9958594939.49395 2001 10041367143.381 2002 10492662559.5893 2003 10857988338.8339 2004 10798648478.1812 2005 10605305830.5831 2006 10908252218.5552 2007 10300356875.6876 2008 9739932086.54199 2009 9251317858.45251 2010 9411074440.77741 2011 9716171617.16172 2012 9581224789.14558 2013 9041437477.08104 2014 8646131279.79465 2015 8643931059.77265 2016 8389597579.75798 2017 8516655372.20389 2018 8485671853.70481