Year % of GDP 1989 57.768699608206106 1990 64.14083629170081 1991 62.67897500776986 1992 62.38176541072812 1993 63.532679491416225 1994 61.650507600127334 1995 60.945311178889625 1996 61.04494637339545 1997 67.70896770136507 1998 68.0217111461414 1999 70.56451551103068 2000 69.77874839862181 2001 72.62652197110759 2002 72.35759147403378 2003 71.77189498610558 2004 71.79587736363389 2005 71.50587777018353 2006 67.5809295276914 2007 68.34157361094003 2008 67.06846074895094 2009 67.83030137434118 2010 67.2057062558359 2011 66.34597520219688 2012 65.38189690088252 2013 66.61491317309921 2014 67.07830207767428 2015 66.88994480100713 2016 67.48410422606389 2017 65.90627994130503 2018 66.20190110223724 2019 66.24555299537256 2020 64.72269869273616 2021 62.1616904892525 2022 55.463431568209174 2023 54.41593348153645