Year including construction (constant 2010 US$) 1990 444770573480.4 1991 447617787536.112 1992 446382384799.438 1993 431711429022.822 1994 447945079042.861 1995 465505661714.207 1996 466729165026.911 1997 466484941157.175 1998 470745084863.219 1999 473414329912.389 2000 488598591418.656 2001 491394583888.291 2002 494625252464.476 2003 491726617099.479 2004 501991436405.369 2005 506576461430.537 2006 524577376427.956 2007 534312293508.892 2008 520636021688.537 2009 447869493212.045 2010 465914776428.75 2011 464415792829.141 2012 447993724226.043 2013 435262694140.129 2014 429196565245.512 2015 432217577430.269 2016 439886392359.42 2017 452977136127.657 2018 461120492339.491