Year % of GDP 1982 57.96851052649976 1983 58.91652285944259 1984 59.128156238135496 1985 54.17451635581888 1986 57.66292952872377 1987 61.958117651707326 1988 62.54286656386486 1989 63.78666945650755 1990 67.887031015023 1991 67.83886343517074 1992 66.02651922002181 1993 64.638981547789 1994 68.44462661273131 1995 69.48586790137735 1996 68.08754143926747 1997 68.94031597693818 1998 70.69779910024637 1999 70.20451239544606 2000 69.63564924223307 2001 67.72865640281861 2002 64.50198759814172 2003 64.20259378045647 2004 64.05799529842685 2005 62.95360485176615 2006 61.398617736535776 2007 60.20316060620565 2008 58.801074230541275 2009 62.83007186746299 2010 61.79487593451671 2011 61.61723322222361 2012 64.30397323493848 2013 63.501159804827424 2014 64.56954649972293 2015 67.09887761160958 2016 67.80816111742354 2017 66.64028593529866 2018 67.40739802811639 2019 67.04932976292697 2020 66.3612776845741 2021 65.15951823325061 2022 65.88725109986679 2023 68.96278314167502