Year % of GDP 2002 75.85923398006547 2003 75.2448562058923 2004 79.95669730082155 2005 76.40714015874177 2006 72.58704109214499 2007 77.36503142508472 2008 82.15339219822275 2009 83.30424980589024 2010 92.93888094028412 2011 96.07620861364332 2012 96.35338408583758 2013 94.83388969210093 2014 89.55897316413082 2015 83.22895320047074 2016 82.47538711919967 2017 86.78900252024208 2018 89.06143037910529 2019 88.71957280724301 2020 57.57248750984485 2021 73.19957135286536 2022 70.84888919840824