Year Percent of GDP 2004-01-01 28.98093293206290 2005-01-01 18.09243385192920 2006-01-01 -2.77541011555429 2007-01-01 6.03686499496326 2008-01-01 20.15707450423330 2009-01-01 14.22419899457470 2010-01-01 32.96487829953400 2011-01-01 16.93926403558180 2012-01-01 13.73678128437300 2013-01-01 13.06377322757790 2014-01-01 3.26466025074893 2015-01-01 19.27311175461100 2016-01-01 21.02739713373370 2017-01-01 18.70590936180570 2018-01-01 22.15495932273240 2019-01-01 22.19145119940620