Year % of GDP 1995 39.30454653062803 1996 49.423466080618 1997 48.739803527957086 1998 51.31712458985594 1999 44.83669693997671 2000 44.75137912408695 2001 48.36764772217572 2002 46.66676976314971 2003 48.56470464833495 2004 54.22334143151992 2005 57.2659102287466 2006 60.38774233387145 2007 57.311693935773675 2008 51.918950775624616 2009 44.198418232244954 2010 55.34640131181039 2011 65.7105552362294 2012 66.7846886045742 2013 64.76268198044663 2014 64.1245448514298 2015 62.023981970465236 2016 59.30355073310325 2017 62.262872078876 2018 62.16395694576675 2019 60.722109527895476 2020 59.44599740772518 2021 67.74279008395231 2022 77.48034208242667 2023 67.91049718192068