Year Percent of GDP 1995-01-01 62.3592202769342 1996-01-01 63.1254165779844 1997-01-01 67.8333832545827 1998-01-01 71.3921734767929 1999-01-01 71.7271645240614 2000-01-01 77.1550766830006 2001-01-01 75.6448545605698 2002-01-01 68.7961318765991 2003-01-01 56.3883507609879 2004-01-01 53.6748401155708 2005-01-01 51.6693073666416 2006-01-01 46.8692154382314 2007-01-01 44.8488594097765 2008-01-01 45.6069265070884 2009-01-01 48.7135315051116 2010-01-01 52.7086721754320 2011-01-01 53.3439010234412 2012-01-01 52.5950039118752 2013-01-01 48.8277568184163 2014-01-01 46.9071121586816 2015-01-01 42.3749594452627 2016-01-01 43.3683045201159 2017-01-01 41.5728083312417