Year % of GDP 2001 114.86502644974969 2002 118.91752405889117 2003 120.53575811319148 2004 121.10670097866651 2005 124.6903994775138 2006 133.33416014843553 2007 142.15988439841098 2008 151.4152926525468 2009 159.79289329653867 2010 155.53632223821043 2011 156.1862466617744 2012 152.87092912113448 2013 143.0082439691151 2014 129.66873962832724 2015 119.73064254020487 2016 111.16130092490684 2017 102.52487902226319 2018 96.90989542641223 2019 93.31174557883764 2020 104.23835495692701 2021 98.95961785969122 2022 89.963390813128 2023 81.61343501139893