Year % of GDP 1975 8.849873406191957 1976 9.707502985189112 1977 10.328595497814932 1978 10.10777732314762 1979 10.109026181116961 1980 9.012770137524557 1981 8.464970995091477 1982 8.782571550619393 1983 9.601769911504425 1984 9.748984865263937 1985 8.17989417989418 1986 7.365884998393832 1987 6.522753792298716 1988 6.588041689522766 1989 5.781908302354399 1990 10.412651346676551 1991 9.790846456692913 1992 8.811957077158915 1993 8.371084337349398 1994 7.878437716662814 1995 7.988338192419825 1996 7.8944047118216245 1997 7.966169154228855 1998 7.896223085068832 1999 7.6301162203132895 2000 7.743095277006047 2001 7.793419544933704 2002 7.535812007081925 2003 8.090045178376695 2004 7.770358542604152 2005 7.015316140856133 2006 7.7116945786040505 2007 6.886124449353822 2008 7.164707641750277 2009 7.019127253599526 2010 5.821462608021537 2011 6.138579235957196 2012 5.645144612411187 2013 5.843478512098354 2014 5.558218764558077 2015 5.425791640740245 2016 5.284892393334377 2017 5.1003390129599735 2018 4.858367373553558 2019 4.641266760500018 2020 5.064095785380534 2021 4.980636065610898 2022 5.08580799506057