Year including construction (constant 2010 US$) 1995 51408.6594091882 1996 54889.6940242852 1997 59701.9201776093 1998 64308.8753328142 1999 65618.9843707598 2000 70046.3305035931 2001 66604.089159661 2002 66758.4066505484 2003 66816.5863495136 2004 65456.5239611412 2005 67130.7456810213 2006 70222.6449445044 2007 70240.3351159167 2008 67139.6235999506 2009 69657.9366190755 2010 75986.917774117 2011 75677.1509926947 2012 82823.482975369 2013 83045.9623336751 2014 83231.7450622813 2015 82229.6205563595 2016 82379.7008445051 2017 83022.2952963449