Year including construction (constant 2010 US$) 1997 71688.9794824926 1998 65641.4330259045 1999 74169.9749750811 2000 78973.2537834079 2001 76630.041636725 2002 75844.9582668736 2003 79421.6404454319 2004 79083.3599011283 2005 85472.4250314432 2006 87498.4585630653 2007 88195.0047575611 2008 84667.7392838583 2009 87479.0174525918 2010 91248.5854112056 2011 94024.9240647128 2012 96746.9177539164 2013 97828.7619797122 2014 99358.8654863222 2015 104355.946148412 2016 107763.224709849