Year Percent of GDP 1995-01-01 66.8888807791457 1996-01-01 67.4810005815122 1997-01-01 87.3347294678620 1998-01-01 85.3929894288051 1999-01-01 59.5099601699093 2000-01-01 74.5143848791383 2001-01-01 69.0927528314354 2002-01-01 65.5209994107014 2003-01-01 65.5992377721996 2004-01-01 68.5373577866702 2005-01-01 72.8746850293613 2006-01-01 79.1804853381544 2007-01-01 70.6394458315520 2008-01-01 66.0095905480956 2009-01-01 51.3536262160982 2010-01-01 62.5246735597116 2011-01-01 74.9756340058266 2012-01-01 78.5019255481622 2013-01-01 73.5120749664569 2014-01-01 68.6694638804686 2015-01-01 63.4177732038513 2016-01-01 62.3109480963613 2017-01-01 62.3397860428239