Year % of GDP 1997 1.19229996204376 1998 1.06992995738983 1999 0.96968001127243 2000 0.929040014743805 2001 0.989440023899078 2002 0.962689995765686 2003 1.07166004180908 2004 1.04392004013062 2005 0.995180010795593 2006 0.914030015468597 2007 0.818690001964569 2008 0.809909999370575 2009 0.825959980487823 2010 0.802789986133575 2011 0.710900008678436 2012 0.723630011081696 2013 0.732999980449677 2014 0.650340020656586 2015 0.614769995212555 2016 0.483390003442764 2017 0.448790013790131 2018 0.471130013465881 2019 0.43384000658989 2020 0.403180003166199 2021 0.376899987459183 2022 0.326959997415543