Year % of GDP 1982 46.4941598280106 1983 46.9500974634016 1984 47.122335871759 1985 49.4251983590727 1986 52.5107012230044 1987 51.0776184999418 1988 45.0223400091211 1989 45.2726834629732 1990 44.8183650808144 1991 37.6770867498234 1992 32.1455512323141 1993 27.3307783020359 1994 25.5024144923735 1995 21.7067024781876 1996 21.3604584470898 1997 23.5164513003477 1998 23.3768796889882 1999 25.5102063613755 2000 31.8847242380064 2001 32.6429490257506 2002 34.3583054674881 2003 36.4695188711187 2004 38.9096476554308 2005 43.211388235769 2006 47.2336190367556 2007 53.1739677082086 2008 59.3237871975076 2009 59.7831822869738 2010 60.1946797123808 2011 58.3525216480001 2012 50.2820196594563 2013 46.0838834388737 2014 42.5606328384521 2015 35.1172872877966 2016 33.4159792564165 2017 32.4413103307043 2018 32.3893738428196 2019 33.3574053397072 2020 37.9117960905097 2021 38.6599407513565 2022 36.0413241371957 2023 33.0012599469717