Year % of GDP 1989 14.295073654851862 1990 14.208430602182961 1991 13.31410210085052 1992 13.241282396316295 1993 11.873012605740602 1994 12.038474868737332 1995 13.494015688061012 1996 13.754578091686732 1997 13.945534095557118 1998 14.130143186554816 1999 16.59821448327111 2000 17.533544568922256 2001 17.636133456975298 2002 19.970176799008062 2003 21.207036018473833 2004 22.196153256711888 2005 21.64706953006882 2006 21.658117770503065 2007 20.8342714751431 2008 20.718868876304107 2009 18.08655005137717 2010 18.507369074823817 2011 19.384014784058536 2012 19.7651166416027 2013 19.309905650656948 2014 19.0610954042303 2015 20.155677441524197 2016 20.53599707664492 2017 20.419268374298074 2018 22.802500840267086 2019 23.051115272473073 2020 23.630002647401554 2021 26.053041676190848 2022 26.864078385554784 2023 24.15127372359254