Year % of GDP 1993 58.26366066978438 1994 58.61480327418664 1995 55.91102019193204 1996 57.941504957920856 1997 57.98182463073491 1998 57.381856552906996 1999 56.180389769205675 2000 54.399629272260476 2001 54.782312869673966 2002 55.429998798350425 2003 55.270900571404 2004 55.42329556176099 2005 54.360955879565594 2006 54.13744488327378 2007 52.40525557250405 2008 53.310692509067245 2009 53.34192479742222 2010 52.428410547026225 2011 50.25172006713814 2012 50.792998391108355 2013 51.443298173148186 2014 50.62899330843537 2015 51.39506058785649 2016 51.46584200504785 2017 50.223608555546804 2018 50.114332865857456 2019 49.958361088731685 2020 49.76830645502041 2021 49.8040615142639 2022 51.441230448167715 2023 52.9694832989619