Year % of GDP 1995 32.663749774374914 1996 32.72458062453692 1997 34.98886686359312 1998 35.229382643653764 1999 35.183055233879564 2000 38.57810723884508 2001 39.079759976647495 2002 39.116241255048514 2003 41.64660363901672 2004 45.303282699123 2005 46.581523068456164 2006 50.092954677792434 2007 50.56376361348077 2008 49.72322027345565 2009 46.60669941040134 2010 52.18984434331223 2011 56.54501954928034 2012 58.688462865236055 2013 60.28495545526468 2014 61.275718657262466 2015 61.371876632270364 2016 62.534063809376825 2017 63.67807786784344 2018 63.28739148796526 2019 62.20624591091659 2020 59.21145705175896 2021 63.67202232979737 2022 69.20613407284743 2023 63.173520879014866