Year Percent of GDP 2004-01-01 0.0051 2005-01-01 0.0078 2006-01-01 0.0095 2007-01-01 0.0090 2008-01-01 0.0085 2009-01-01 0.0111 2010-01-01 0.0115 2011-01-01 0.0097 2012-01-01 0.0091 2013-01-01 0.0008 2014-01-01 0.0006 2015-01-01 0.0005 2016-01-01 0.0005 2017-01-01 0.0008