Year % of GDP 1993 19.52997870398592 1994 20.075172881382557 1995 19.67160756676257 1996 19.362133690871662 1997 18.936091257387634 1998 18.539397330258065 1999 16.61857943781747 2000 21.3068301843948 2001 22.806997805610656 2002 24.602320861141624 2003 24.41728022905813 2004 23.368125847547482 2005 26.65521228219366 2006 31.05000700006658 2007 32.01120232310027 2008 32.75324098762675 2009 25.431741053236944 2010 27.531071109040806 2011 29.693213805846842 2012 30.79867754202892 2013 29.74345750395482 2014 27.48942506415248 2015 26.064666440372555 2016 25.425195327638587 2017 26.782473051181846 2018 26.51191100545235 2019 27.42758594274407 2020 23.24647703785482 2021 25.274881750915903 2022 23.82328793385374