Year % of GDP 1995 2.214213362236678 1996 2.208676972784148 1997 2.0357791964282685 1998 1.954572641921969 1999 1.8301814772884772 2000 1.7655359827275379 2001 1.6966662140537259 2002 1.6242094090507697 2003 1.6488112289387589 2004 1.7058845193096257 2005 1.5653321343881976 2006 1.4706037584307865 2007 1.5064886438067249 2008 1.4994499978946918 2009 1.416148042841671 2010 1.5250332751753817 2011 1.6068349875342534 2012 1.578636499316094 2013 1.648104686831651 2014 1.5580692373274139 2015 1.4784174232192555 2016 1.4284535482381664 2017 1.4745957770327005 2018 1.3908206808024233 2019 1.3454752471836644 2020 1.4130655139558848 2021 1.4030220853857938 2022 1.462385402763044