Year including construction (constant 2010 US$) 1995 22421981.5526217 1996 20306561.7768494 1997 17026239.6592522 1998 19697079.4653785 1999 19873830.5008404 2000 21117379.4800659 2001 21595084.9813144 2002 18976792.7803254 2003 17906149.8898445 2004 17162094.4432658 2005 16648619.2861922 2006 13159854.4510991 2007 12137448.1648906 2008 13412222.7720025 2009 18160731.9679488 2010 21418800 2011 23995030.8141717 2012 23700368.0793773 2013 19055672.4447998 2014 13656784.6859344 2015 12837578.0080618 2016 13587226.1044111