Year Percent of GDP 1995-01-01 35.7314085509716 1996-01-01 33.1224355884467 1997-01-01 36.1011942756112 1998-01-01 38.9114354295242 1999-01-01 40.2148211618586 2000-01-01 47.2313910398683 2001-01-01 49.4523836920545 2002-01-01 46.8399635501744 2003-01-01 48.7307982700049 2004-01-01 56.1459870031867 2005-01-01 57.1592789502970 2006-01-01 61.0991821152554 2007-01-01 64.6668475170964 2008-01-01 61.4848715797777 2009-01-01 54.5743347880423 2010-01-01 63.8508286078382 2011-01-01 71.2798966753206 2012-01-01 75.8359554557614 2013-01-01 77.5914267829359 2014-01-01 84.1878541381117 2015-01-01 84.7535708452480 2016-01-01 83.2964979170302 2017-01-01 84.1607115569508