Year % of GDP 1995 89.07656595153345 1996 89.98068217858894 1997 87.98363746074858 1998 86.4306265280386 1999 87.72277729667546 2000 83.48010989314973 2001 82.51532900627187 2002 82.27991527848243 2003 82.731636590971 2004 82.23051976696183 2005 79.23853851626522 2006 80.81936030270734 2007 77.49040294336164 2008 77.3901476884964 2009 79.54777176935926 2010 81.7441029899414 2011 80.16666295618666 2012 77.81961284784504 2013 80.01770626501988 2014 79.10711348550198 2015 77.94350802205719 2016 78.53166433095883 2017 78.66055588420183 2018 77.49926629876643 2019 77.87743113019586 2020 77.29234750192481 2021 78.14130899304361 2022 79.54992247601983 2023 80.86024384624506