Year % of GDP 2005 46.5679335590554 2006 46.49033749636762 2007 49.725889905501994 2008 55.275478566263814 2009 56.66543563937112 2010 54.79243398881712 2011 58.29405540206819 2012 59.30652490959692 2013 64.00923388308755 2014 68.75777007960889 2015 72.35374704055647 2016 77.00304283608679 2017 79.15354373927075 2018 79.93772149140479 2019 78.538659020029 2020 90.08952849224579 2021 89.73569628416689 2022 80.07913085466785 2023 77.04471875510872