Year	Percent of GDP
2004-01-01	18.6720309737853
2005-01-01	18.7943191975370
2006-01-01	19.9896079763573
2007-01-01	20.5162466696253
2008-01-01	20.1666844886265
2009-01-01	19.8847923906759
2010-01-01	19.9952296226307
2011-01-01	18.2419914081731
2012-01-01	22.3124989379670
2013-01-01	21.9191850320531
2014-01-01	21.0294319998628
2015-01-01	22.8112629203586
2016-01-01	23.2553644470415
2017-01-01	23.4334641040925
2018-01-01	23.0411921678365
2019-01-01	22.2434516851263