Year % of GDP 1995 29.27350971454763 1996 27.484282907914036 1997 25.96379377535543 1998 25.768086845668325 1999 24.88109860168612 2000 25.409321530594042 2001 22.420040678095635 2002 21.02182945113416 2003 18.328201600347587 2004 17.58673826173826 2005 16.399795495591203 2006 14.498876078115922 2007 9.982970241437394 2008 8.8109341724675 2009 8.497462750292268 2010 11.161257232587893 2011 11.384252599644483 2012 10.448172720715174 2013 11.550361937387988 2014 14.070956958448685 2015 12.821255752203351 2016 12.479743850948696 2017 12.199591077285412 2018 10.146878457136516 2019 10.16081262864411 2020 9.366692013801776 2021 10.5865870134286 2022 8.293261884861874 2023 7.619443028839832