Year % of GDP 1990 37.816984258668704 1991 26.69069971250951 1992 28.877412815848174 1993 25.714487392199185 1994 29.40263039578254 1995 30.49313390225969 1996 27.803931571872393 1997 24.749433238093967 1998 26.611080821925633 1999 23.70845948895997 2000 27.64511467238755 2001 22.327758553746648 2002 26.26517672224565 2003 26.029509662026655 2004 30.285057786428553 2005 30.49310164908609 2006 35.489356173582095 2007 28.260117470776958 2008 26.666057069065253 2009 16.52803311603329 2010 18.570492209949396 2011 14.768088775778859 2012 14.97286953421765 2013 19.198708400335775 2014 22.938534140632232 2015 16.28906904305741 2016 6.044436689494205 2017 13.120978065445007 2018 11.649117041934282 2019 13.227230082225095 2020 16.776075764119376 2021 3.7400050365209285 2022 5.38453187522623 2023 10.989173563431029