Year including construction (constant 2010 US$) 1994 108439220.340909 1995 110430048.414325 1996 115578980.302115 1997 113346711.463841 1998 105072277.591186 1999 107540085.48985 2000 122152298.738619 2001 137533972.145789 2002 143970208.232994 2003 155162119.183367 2004 164337356.664894 2005 171714283.742895 2006 170884951.8102 2007 193556410.576295 2008 191564687.071856 2009 161464610.436903 2010 165783355.662385 2011 177689739.166082 2012 177800447.00162 2013 172017997.665244 2014 178633319.956996 2015 167494727.853886 2016 179672426.957472 2017 176518678.193982 2018 172072944.568911