Year % of GDP 1995 5.580190486486723 1996 4.6901148189399775 1997 3.906744264890935 1998 3.475354607252887 1999 2.5722916736963897 2000 2.5049290389004817 2001 1.9938598323222336 2002 1.7353084894094022 2003 1.480003819838008 2004 1.5740872720483574 2005 1.0335496655109384 2006 0.9211527188555307 2007 1.0432228655128166 2008 0.8500286435527353 2009 0.557956348121 2010 0.9546518263656971 2011 1.2070880102083352 2012 0.9877262946237179 2013 1.0839563843006779 2014 1.2406837563042195 2015 0.8922280998012226 2016 0.9466480729027403 2017 1.1749488722692627 2018 0.8892288215044888 2019 0.905751115819443 2020 0.9233122585100999 2021 0.9916355837197959 2022 1.1075504085398626 2023 0.8775886078169362