Year % of GDP 1990 5.8419926218614515 1991 5.6242874153205795 1992 5.257618592766574 1993 4.80808667079517 1994 4.716284391873582 1995 4.571667568825862 1996 4.64842779332869 1997 4.3230460430986914 1998 11.071173572147767 1999 10.22858507295136 2000 9.86151299438944 2001 9.468891997096888 2002 9.370214024660562 2003 9.379081763607607 2004 9.193377238923567 2005 9.0265030743805 2006 8.821439254308846 2007 8.81741434533145 2008 8.744588960672235 2009 8.66667526929843 2010 8.665829301665061 2011 9.548698459545282 2012 9.438233264016047 2013 9.110895166321747 2014 9.120109000188277 2015 7.855564960986642 2016 7.813717837833827 2017 7.665587154742099 2018 8.073823151064119 2019 8.501810555781494 2020 8.032128090363233 2021 8.024874632881653 2022 8.183102340754594 2023 8.384997642376954