Year % of GDP 1980 25.930402242518717 1981 18.047251367105535 1982 17.56669661713158 1983 19.17142894333537 1984 20.09254195003735 1985 19.730717811272356 1986 21.907737760191527 1987 22.964683792810106 1988 22.49234284740073 1989 23.4669786884711 1990 22.976781546253257 1991 23.68600571694359 1992 26.82242197060779 1993 27.570123306774075 1994 26.72822156535205 1995 24.712992780789474 1996 22.950260118136313 1997 22.193340854466726 1998 20.784916967580326 1999 28.019992466820643 2000 25.901154113099167 2001 26.668759047544267 2002 25.74351435520545 2003 26.024798809075065 2004 26.7593884572991 2005 28.21957864211179 2006 27.80358049568629 2007 28.66361951830002 2008 29.801326966213455 2009 27.52546080006858 2010 26.85160392100519 2011 28.040630625282503 2012 28.02780073423094 2013 27.02097862080593 2014 25.647619288360406 2015 24.978345694160854 2016 24.08565730289663 2017 25.358945183277175 2018 26.93955749490206 2019 25.833204039053175 2020 23.36352301965934 2021 25.88928243096592 2022 29.324305795860685 2023 27.37659565435198