Year % of GDP 1995 2.18326859425763 1996 2.132899356678255 1997 1.9536665250238192 1998 1.8313886322460604 1999 1.7455310504131756 2000 1.6878083241849515 2001 1.6579186094313973 2002 1.5689649670234753 2003 1.5955572230577566 2004 1.647873721487034 2005 1.4851427736062917 2006 1.4013316897205625 2007 1.4301484213212954 2008 1.4347665008145427 2009 1.3519114304837332 2010 1.401980960793416 2011 1.5005997404140303 2012 1.4597536800707742 2013 1.546470639709035 2014 1.4734233070168055 2015 1.3927115185731167 2016 1.355080673699103 2017 1.4045680643218614 2018 1.3294635786599134 2019 1.2851721574913095 2020 1.3591828680646918 2021 1.3609714874706034 2022 1.3755489010819304