Year % GDP 1993 32.835778520443064 1994 31.058833810032468 1995 29.088067228042366 1996 28.779913646628625 1997 27.847920985955295 1998 27.250922843684876 1999 27.953556620795705 2000 27.909908152853653 2001 25.396630615643822 2002 18.482845086802282 2003 20.356320028653084 2004 26.132551789502795 2005 31.333665284816306 2006 35.76587665691476 2007 42.09609508792967 2008 48.42130126273783 2009 49.903348786679025 2010 51.98281386972278 2011 52.09134267412504 2012 51.083376659967065 2013 50.35418039668301 2014 48.914311262124286 2015 47.97837877143812 2016 48.05594003801288 2017 46.52516436482785 2018 46.067553652727256 2019 45.00478900980761 2020 46.26693139150163 2021 44.687958410875915 2022 40.95802533997475 2023 37.92969010588796