Year % of GDP 1993 132.12637273145927 1994 148.14306942379673 1995 139.08747367766296 1996 132.97744275089198 1997 151.05134439040262 1998 156.83823582752123 1999 144.11645359293288 2000 126.49561016552313 2001 126.45698790150777 2002 123.31821470665689 2003 122.77687523457801 2004 129.97820803953257 2005 135.93881658463565 2006 136.64322094667745 2007 133.98760125243473 2008 136.6890511433823 2009 116.76474767362475 2010 143.6782240786188 2011 167.39197983169413 2012 170.7599264194118 2013 166.45283453081586 2014 160.24147473197877 2015 150.9371897017754 2016 150.40869674373306 2017 147.56372239644395 2018 145.92029608313626 2019 142.6556684749132 2020 138.97551084884012 2021 161.5412651160773 2022 172.09314317994773 2023 156.15661169359274