Year % of GDP 2003 36.02820191358853 2004 37.38156688529438 2005 37.46782092409972 2006 51.12354670419243 2007 91.48372857934685 2008 34.680734826279725 2009 65.6864821376333 2010 63.779567597284334 2011 45.6553147779404 2012 48.74268911796256 2013 45.76945459002372 2014 52.35245736597978 2015 60.377989879490485 2016 58.79586248742267 2017 65.21917647214157 2018 47.33042146796207 2019 61.21441986283129 2020 84.23350468722512 2021 78.59556087773916 2022 65.66770515983798