Year % of GDP 1974 75.46059169788244 1975 71.70083742419867 1976 80.5181877648531 1977 82.58730008517081 1978 84.8477985142236 1979 85.5341063784422 1980 84.72559126743481 1981 86.28651959455797 1982 84.46112541778533 1983 79.1971836187053 1989 49.060191446433286 1990 51.496630622159536 1991 50.60203283815481 1992 45.752017608217166 1993 35.61953572505276 1994 34.15024827807144 1995 36.60208643815201 1996 36.115347289615976 1997 35.544900868213034 1998 29.867256637168143 1999 36.88598178786713 2000 49.35507514540684 2001 44.255398399716846 2002 47.22913078310103 2003 48.61288012851542 2004 51.38445908051528 2005 59.13023727856317 2006 62.12896004564957 2007 57.21537503047377 2008 65.17092445790989 2009 52.351822077597646 2010 63.13536650615303 2011 68.49761833240355 2012 67.80143934120132 2013 64.57440699677548 2014 62.97937554238446 2015 55.152719653504334 2016 52.62728155956312 2017 53.0472226037008 2018 56.31646166540077 2019 54.50822963312278 2020 50.80968217345716 2021 52.681084602774106 2022 56.620494551674604 2023 49.618332452633815