Year % of GDP 1994 71.91291808813702 1995 74.36334836115512 1996 73.25492726419522 1997 73.04111920846853 1998 70.93760755199371 1999 78.74836111631392 2000 67.12258902077151 2001 67.34270799510453 2002 62.81568142190225 2003 63.417338709677416 2004 68.15841498120831 2005 69.72511071658505 2006 68.87048220930015 2007 73.66439121687846 2008 63.543718537973305 2009 61.13509034468259 2010 54.37483860971957 2011 51.16349755500129 2012 51.602994659414826 2013 50.65147423328771 2014 51.91676733596861 2015 54.71858807363087 2016 51.09571968270866 2017 52.72445436507937 2018 55.43971099615399 2019 53.47243703855021 2020 51.930567806486096 2021 55.74244850626761 2022 63.958675745480164 2023 66.89468450187684