Year % of GDP 1989 17.341417302301323 1990 16.526946107784433 1991 17.4247491638796 1992 17.55811643155176 1993 15.983355027550534 1994 19.361605092006855 1995 21.269647566733106 1996 21.759344937989916 1997 27.39891897391956 1998 24.607915842211455 1999 19.82950307416323 2000 17.8966433502907 2001 18.903752811649106 2002 17.68700509955667 2003 18.239800977087125 2004 16.890788266618934 2005 17.52714152954682 2006 17.64793334017677 2007 17.033814135421633 2008 16.973534015799054 2009 19.44042608458759 2010 19.666691951079123 2011 17.6915870255815 2012 18.939946377757185 2013 18.897952723430162 2014 18.665776049756918 2015 18.924147516977246 2016 18.602043207607046 2017 20.683463553764945 2018 20.77174913813491 2019 18.780533430822402 2020 19.29509671423151 2021 17.742171907532203 2022 39.83635400947565 2023 41.68400041298138