Year % of GDP 2001 76.95723419842348 2002 76.05029396908232 2003 75.55409875474193 2004 76.60190408675021 2005 80.1358510225635 2006 84.2225012999479 2007 88.77966992211645 2008 92.493951956956 2009 95.0359993844317 2010 95.85142803874527 2011 96.79343208141981 2012 96.54084346831966 2013 96.00659175916746 2014 94.07563152251525 2015 95.06097982562117 2016 96.6768257338766 2017 99.51864017809183 2018 101.8217700120086 2019 104.18278372274767 2020 121.08164008435469 2021 116.5265986656105 2022 115.29719312551438 2023 109.31022796189933