Year Percent of GDP 2005-01-01 0.1939 2006-01-01 0.1588 2007-01-01 0.1305 2008-01-01 0.1252 2009-01-01 0.2031 2010-01-01 0.1172 2011-01-01 0.0278 2012-01-01 0.0165 2013-01-01 0.0070