Year % of GDP 1980 24.519545688065982 1981 25.577799432951643 1982 25.674333743700743 1983 27.80091577158263 1984 27.81286598945358 1985 36.41362600163622 1986 40.22607733019239 1987 39.98082987942605 1988 39.913367925530615 1989 64.48081608639083 1990 43.13578438126368 1991 44.55882115203339 1992 50.71975183398599 1993 57.7109616554045 1994 51.83624025240891 1995 50.36516727315262 1996 51.954887518673836 1997 54.9315854022079 1998 51.84208780731596 1999 53.499422335650436 2000 52.76993287935565 2001 53.36177892047111 2002 58.24159793733635 2003 61.73174892342098 2004 59.47457078385716 2005 57.67871731924247 2006 59.020785942423025 2007 61.121133245651144 2008 62.23472956886448 2009 76.11415173891366 2010 77.19430200581247 2011 78.30646306851972 2012 83.93845298653864 2013 89.75035888494111 2014 95.71706360619199 2015 107.59875516091697 2016 110.31616844807768 2017 110.21072442171018 2018 115.07164824920213 2019 120.57691730864863 2020 137.8767672064896 2021 134.92543844549786 2022 137.76739705316646 2023 140.55277858516325