Year Percent of GDP 2004-01-01 5.10552177750212 2005-01-01 3.27782901686363 2006-01-01 7.21052279826552 2007-01-01 4.45831565896386 2008-01-01 2.78504533861940 2009-01-01 4.11065423510200 2010-01-01 4.11489839218950 2011-01-01 4.62020640603109 2012-01-01 8.51137671691609 2013-01-01 5.42327959902989 2014-01-01 2.66237518666416 2015-01-01 4.18693730736309 2016-01-01 8.17806256729274 2017-01-01 5.40534893659360 2018-01-01 6.36782243093115 2019-01-01 7.53814536858236