Year % of GDP 1978 24.104349250021 1979 30.548578749281823 1980 25.724279501596847 1981 24.872236896280263 1982 26.64510582786605 1983 25.17045370968048 1984 24.75456253095388 1985 20.428921897476993 1986 19.46172968350323 1987 43.85187018218358 1988 41.64397962992582 1989 37.97507569647705 1990 35.57699296226169 1991 20.12164087357148 1992 21.249953168932286 1993 19.81498873948055 1994 20.905013178450066 1995 15.536423529597151 1996 20.7399232013197 1997 22.305803581504595 2003 20.571659378778655 2004 12.089714714228133 2005 12.561325774267967 2006 17.659934053421992 2007 17.107412204790347 2008 13.269749942917894 2009 13.094203976091807 2010 13.44527884807122 2011 14.98509702904528 2012 15.718964095685903 2013 14.248830102925503 2014 21.334383153783698 2015 12.458067421272693 2016 10.665880347187931 2017 15.243718843168768 2018 19.003153815747897 2019 17.30394310140219 2020 11.852632996020244 2021 11.35307774016251 2022 16.150157027630158