Year % of GDP 2001 78.4548205201812 2002 67.4938080199567 2003 69.0540352114956 2004 65.9964688128905 2005 71.2724479975652 2006 74.7241152133084 2007 85.3118398397658 2008 101.153326883708 2009 100.973750998797 2010 86.1171271698051 2011 84.1766300496446 2012 83.5829451760101 2013 86.66145807119 2014 86.3059645397737 2015 91.7840511552667 2016 96.2530859448861 2017 100.473133493731 2018 105.621707523826 2019 108.98339523288 2020 110.16940339671 2021 103.963662123419 2022 101.493634639941 2023 96.1510067466971