Year % of GDP 1989 9.458520391585669 1990 8.669256414865286 1991 8.255018871069899 1992 7.808240062568289 1993 6.9067530089127525 1994 7.450990150554178 1995 6.2775715353361115 1996 6.150339181234453 1997 5.912859232501759 1998 5.795040281731501 1999 5.379562394607213 2000 4.949090336189044 2001 4.816324363878299 2002 5.262041885351972 2003 5.650041237193495 2004 5.382912994477557 2005 4.896083529054691 2006 4.645801260301213 2007 4.793910913886712 2008 4.903684676394025 2009 4.795341655129865 2010 4.732694069320107 2011 4.821925716074132 2012 4.573506758581264 2013 4.74412815069813 2014 4.730440683789937 2015 4.702362139080412 2016 5.195894303455539 2017 4.935247420842818 2018 4.760817641127343 2019 4.750717967991709 2020 5.741903150325254 2021 6.116965006485388 2022 5.841842112822205 2023 5.890926517142348