Year including construction (constant 2010 US$) 1995 35342602886.9858 1996 35076795004.3278 1997 35964137272.1416 1998 37935039661.5666 1999 41545807461.3051 2000 42998373029.8975 2001 45956457835.463 2002 48017100709.6384 2003 53219808561.2007 2004 54803265409.4972 2005 51607487868.5165 2006 58412615810.1826 2007 56140797164.8431 2008 48068997884.6301 2009 47921826249.7398 2010 41395247021.5585 2011 36916111188.5366 2012 34613112412.8777 2013 32791076126.9924 2014 30864858891.625 2015 29810433724.0878 2016 31938321601.1815 2017 32865981998.2931 2018 33882250497.2451