Year % of GDP 1993 4.256001585377295 1994 4.273374432789071 1995 4.036068272624422 1996 3.8947549685527716 1997 3.489252287136027 1998 3.5069627343477587 1999 3.2176008429712963 2000 3.25052833080989 2001 3.2035270863075325 2002 2.659586723359725 2003 2.4400273140821946 2004 2.4153946129636625 2005 2.28463529199072 2006 2.1649554318029973 2007 2.0889055748454544 2008 1.9199279717823523 2009 1.756787513403063 2010 1.540596112570657 2011 1.9825109918635224 2012 2.2511856454724386 2013 2.3647711662443687 2014 2.41345254208349 2015 2.2112138726824058 2016 2.0870471242411464 2017 2.0576068880787 2018 1.936252589977639 2019 1.8608484367947635 2020 1.9606136205317413 2021 1.8453629460981742 2022 1.901663566995769 2023 1.607342498476054