Year including construction (constant 2010 US$) 1995 20618771895.5008 1996 21091191823.2859 1997 23316607565.4923 1998 25005150677.9464 1999 26406772232.2899 2000 27438771011.289 2001 28499559796.2594 2002 30519451712.5991 2003 31723313259.7291 2004 33185917517.7631 2005 34864847370.4079 2006 36332870393.0942 2007 38079446134.1786 2008 36047295359.8922 2009 31607194666.9979 2010 33158665186.5685 2011 33390605060.9738 2012 32489650114.7343 2013 32036364064.3922 2014 34135073411.2121 2015 36860861604.6775 2016 36622399074.1104 2017 38517701277.1857 2018 40879308241.0742