Year Percent of GDP 1988-01-01 92.970 1989-01-01 95.571 1990-01-01 98.786 1991-01-01 102.281 1992-01-01 109.719 1993-01-01 120.539 1994-01-01 127.070 1995-01-01 116.909 1996-01-01 116.341 1997-01-01 113.764 1998-01-01 110.808 1999-01-01 109.656 2000-01-01 105.106 2001-01-01 104.727 2002-01-01 101.923 2003-01-01 100.485 2004-01-01 100.089 2005-01-01 101.941 2006-01-01 102.557 2007-01-01 99.792 2008-01-01 102.405 2009-01-01 112.547 2010-01-01 115.413 2011-01-01 116.522 2012-01-01 123.360 2013-01-01 129.020 2014-01-01 131.785 2015-01-01 131.511 2016-01-01 132.041 2017-01-01 131.808