Year % of GDP 1980 39.101014983083616 1981 35.35474732312619 1982 38.82534404502542 1983 62.80324989284184 1984 58.39436423240566 1985 64.80938416422288 1986 60.812107788851975 1987 60.27415143603133 1988 56.392114175133045 1989 59.00850492390332 1990 68.41519550811877 1991 54.20947298198799 1992 51.853726433000126 1993 51.817361339021986 1994 50.35656521099838 1995 50.07691482130719 1996 49.82876712328767 1997 47.28532557109409 1998 52.450145005531134 1999 53.85482612089151 2000 47.97681685852408 2001 49.815901814300965 2002 49.3885590785982 2003 48.291476903057905 2004 53.10638923608558 2005 54.790488551033654 2006 48.2689103289379 2007 48.584067450565236 2008 59.29706162404156 2009 57.933509334935266 2010 55.104929534125176 2011 51.392496916043825 2012 53.14096827275614 2013 54.728561066785694 2014 53.96291850073362 2015 67.01357068430897 2016 60.6773938399424 2017 57.864452149353454 2018 56.743936807843454 2019 49.037691949744065 2020 47.26815275090775 2021 52.454745585110985 2022 55.459348524809826