Year % of GDP 2002 170.703125 2003 204.38931297709922 2004 203.33988212180745 2005 176 2006 203.85395537525355 2007 152.7027027027027 2008 161.60714285714286 2009 143.1111111111111 2010 118.84816753926701 2011 113.1578947368421 2012 127.8125 2013 135.8934169278997 2014 148.83359253499222 2015 156.61218424962854 2016 155.43964232488824 2017 162.09150326797385 2018 161.18935837245695 2019 164.60587326120557 2020 162.96809986130373 2021 159.20000000000002 2022 116.99196326061998