Year Percent of GDP 1995-01-01 57.2739874963430 1996-01-01 59.7711508247990 1997-01-01 62.3221277776454 1998-01-01 64.2124981575429 1999-01-01 63.0923452193094 2000-01-01 74.6074282057616 2001-01-01 75.1771532206589 2002-01-01 76.0242618966215 2003-01-01 73.5261185183896 2004-01-01 76.4653433604736 2005-01-01 82.1867910547639 2006-01-01 85.8435669486928 2007-01-01 87.2870570823243 2008-01-01 89.0018189971345 2009-01-01 72.9013105695180 2010-01-01 80.7627219445698 2011-01-01 88.5071521490136 2012-01-01 88.3255488259268 2013-01-01 86.7202881814608 2014-01-01 85.0023762361928 2015-01-01 82.3267723133757 2016-01-01 80.8314815581887 2017-01-01 82.2784757337574