Year Percent of GDP 1995-01-01 48.714 1996-01-01 43.147 1997-01-01 42.685 1998-01-01 38.672 1999-01-01 39.345 2000-01-01 36.378 2001-01-01 37.143 2002-01-01 41.545 2003-01-01 46.327 2004-01-01 45.069 2005-01-01 46.441 2006-01-01 46.948 2007-01-01 44.156 2008-01-01 46.295 2009-01-01 49.433 2010-01-01 53.127 2011-01-01 54.104 2012-01-01 53.716 2013-01-01 55.692 2014-01-01 50.253 2015-01-01 51.122 2016-01-01 54.162