Year % of GDP 2005 16.7129567249868 2006 27.380356933615413 2007 27.255294572672 2008 22.697554428050225 2009 34.1348315841824 2010 35.09505911145693 2011 32.13745005562361 2012 31.717295928414753 2013 41.2786064433619 2014 43.7433213000421 2015 60.859658620061516 2016 73.07641823270863 2017 70.67033117026745 2018 71.91511554652027 2019 81.72559023821292 2020 89.24852035678167 2021 78.46474683333558 2022 68.37585106777054 2023 80.71625562041217