Year Percent of GDP 1994-01-01 8.07046839511876 1995-01-01 8.08521398177920 1996-01-01 8.49605172488743 1997-01-01 9.53125206940223 1998-01-01 9.62282995505183 1999-01-01 9.13804579900744 2000-01-01 9.78759309880694 2001-01-01 9.36463864019351 2002-01-01 10.05938671557140 2003-01-01 10.56441967279110 2004-01-01 11.69567830633660 2005-01-01 12.49520138294610 2006-01-01 14.28653106729740 2007-01-01 15.84228078259110 2008-01-01 15.56769137429250 2009-01-01 11.05354154820290 2010-01-01 13.46274985842560 2011-01-01 13.34408556640990 2012-01-01 12.85600653339190 2013-01-01 13.87017611234600 2014-01-01 14.21428811858520 2015-01-01 14.21363962745460 2016-01-01 12.94586582690070 2017-01-01 14.33123369785290