Year % of GDP 1980 3.118244459866514 1981 3.1996546198860374 1982 2.8080598392428433 1983 2.6755906749217773 1984 2.072196504199143 1985 2.172696056699285 1986 1.6636428332923856 1987 2.220226618794944 1988 2.8795633420698286 1989 3.440401026761434 1990 4.714781277141515 1991 4.4491226471131675 1992 4.6366548833585535 1993 13.933595190000636 1994 19.443887692460297 1995 24.81929899278775 1996 24.39554779395513 1997 29.63947575315986 1998 29.88247238660214 1999 39.29215340173353 2000 38.24907802273479 2001 29.24396509849421 2002 32.26121127157568 2003 34.05374754855017 2004 36.33438955370641 2005 37.68072802715132 2006 43.607391287698036 2007 40.90288712031513 2008 46.966671581427065 2009 52.37704763334242 2010 55.610353067916904 2011 59.508533853293486 2012 58.130307177554585 2013 58.07738495071384 2014 57.19237186031133 2015 56.0060113993158 2016 54.62224096314752 2017 54.94535168807138 2018 53.19662224464492 2019 51.19582919124821 2020 67.87112374110379 2021 66.77374915209249 2022 55.8129089619301 2023 53.76945258937077