Year Percent of GDP 2004-01-01 27.57678501434270 2005-01-01 19.57233290788590 2006-01-01 3.64507094004009 2007-01-01 3.30491593990680 2008-01-01 3.02707155344355 2009-01-01 3.45904616551783 2010-01-01 3.16919301852852 2011-01-01 3.51332214743903 2012-01-01 3.78067042559325 2013-01-01 2.64521010993035 2014-01-01 2.55260055671272 2015-01-01 3.08164548877969 2016-01-01 4.03302584832311 2017-01-01 6.26782717247767 2018-01-01 8.24534413819782 2019-01-01 7.87494474843984