Year % of GDP 1995 60.126024061243434 1996 55.328255164883586 1997 53.20011551002442 1998 45.01953659201547 1999 52.31837639960024 2000 49.60011381088042 2001 50.05504282044314 2002 52.463896518589536 2003 53.313190195155514 2004 51.19391233766234 2005 51.163584935727194 2006 45.256336863744025 2007 45.58047351675089 2008 40.8187486093894 2009 36.87212251875122 2010 27.829613064086118 2011 32.540457569794285 2012 31.132850537246735 2013 32.092613166028485 2014 31.527963559563343 2015 31.806921788330715 2016 32.86649893497451 2017 32.53284659774459 2018 30.696369943019402 2019 31.191084957976873 2020 27.91433626375359 2021 30.648787712689828 2022 41.240493572351205 2023 35.53839314988651