Year Percent of GDP 1995-01-01 9.10262284959041 1996-01-01 8.97348068257870 1997-01-01 8.83410480446942 1998-01-01 7.80861206760468 1999-01-01 7.74860110936088 2000-01-01 9.01480782610618 2001-01-01 8.41070431343065 2002-01-01 7.44706703384611 2003-01-01 7.02901176020490 2004-01-01 6.84957740508721 2005-01-01 7.42002274765298 2006-01-01 7.87736684661886 2007-01-01 8.29598932937042 2008-01-01 8.76681306567017 2009-01-01 7.59204855253125 2010-01-01 9.35657086158970 2011-01-01 11.72356095805620 2012-01-01 14.43425315027340 2013-01-01 15.17858869683850 2014-01-01 15.27146590441680 2015-01-01 14.75956156280260 2016-01-01 14.62648281957620 2017-01-01 16.30506894540260