Year % of GDP 1987 29.933969185619958 1988 30.028129395218002 1989 27.85057696068844 1990 28.562874251497007 1991 28.919732441471574 1992 29.43294257897874 1993 40.40317522407991 1994 32.512217875688776 1995 37.476048500616876 1996 42.422012046271426 1997 43.83227119370214 1998 42.073045919312236 1999 39.258827678201804 2000 39.744958212209305 2001 44.89309814135196 2002 46.66777712289334 2003 49.29314416541977 2004 51.22250688027208 2005 49.38194937954409 2006 49.823191473545975 2007 51.61708200972966 2008 52.87837637348497 2009 55.99487667917579 2010 55.4893203103736 2011 53.50035354860515 2012 54.4753052575019 2013 56.64269760031314 2014 54.15891840457744 2015 51.168643992790706 2016 49.91424799622029 2017 50.95871599177117 2018 51.3323027091522 2019 54.4855197050788 2020 55.7900164518172 2021 51.905400424777866 2022 61.717229287242084 2023 61.34734410908826