Year % of GDP 1981 51.195473926921466 1982 49.57652647400297 1983 49.094143329462085 1984 47.34450902457369 1985 47.645023929819814 1986 53.40385755027194 1987 52.244712513146474 1988 49.985495708604724 1989 50.561234495575235 1990 48.83761618177738 1991 49.75536149643546 1992 51.45356669122617 1993 50.42489993931416 1994 51.13101474045936 1995 51.04706036152251 1996 46.9004486609321 1997 44.6285836532889 1998 45.16943319322428 1999 43.93702074303294 2000 41.357133700769104 2001 40.939494892425984 2002 42.917491761290485 2003 42.671125489682154 2004 41.61034793886649 2005 41.78729899394405 2006 42.82996026067995 2007 42.37514265653605 2008 44.28885798811183 2009 44.99992760392833 2010 43.527242203619245 2011 44.98183172156396 2012 44.59972953409657 2013 46.932291197688656 2014 45.02151291276584 2015 43.26979194149339 2016 43.51684022770835 2017 42.08182410905814 2018 39.85114073641445 2019 39.546055638033216 2020 44.42728248014418 2021 42.5387805161118 2022 42.416955875588194