Year Percent of GDP 1995-01-01 42.9696306803324 1996-01-01 40.8329400499037 1997-01-01 43.8828823814645 1998-01-01 47.0816269817421 1999-01-01 33.4028455539744 2000-01-01 40.6457680002433 2001-01-01 41.0011517862122 2002-01-01 40.8202337893980 2003-01-01 46.6918820222429 2004-01-01 48.1407501234270 2005-01-01 50.6093637514868 2006-01-01 59.3027029720113 2007-01-01 67.6308351269220 2008-01-01 70.4505456733585 2009-01-01 62.6405028793611 2010-01-01 71.7450447378587 2011-01-01 81.0211698930298 2012-01-01 86.1369453186010 2013-01-01 86.8006376881787 2014-01-01 85.7953837691153 2015-01-01 85.9157926571391 2016-01-01 86.0786991214204 2017-01-01 88.1501941172748