Year including construction (constant 2010 US$) 1991 93713.0927570394 1992 92812.2700053772 1993 94994.9453759616 1994 96376.6511645671 1995 99077.375921984 1996 102631.714041751 1997 104749.550453708 1998 109901.924191323 1999 114295.599431417 2000 113996.519746035 2001 115470.465210172 2002 117252.051835078 2003 121529.916622496 2004 119803.143098957 2005 119027.841038669 2006 117147.407322677 2007 119996.561229925 2008 120382.886824405 2009 123237.707153968 2010 124016.115171695 2011 124661.404149825 2012 130990.605852834 2013 134426.710445226 2014 134038.446027362 2015 138117.545504291 2016 137502.64786386 2017 136957.480064142 2018 140055.662601286