Year Percent of GDP 2009-01-01 14.7258260075240 2010-01-01 22.4440433035375 2011-01-01 20.3238522919204 2012-01-01 12.0000102738064 2013-01-01 11.5491191381588 2014-01-01 11.8681852854185 2015-01-01 12.5854493367397 2016-01-01 15.5556233878084 2017-01-01 19.3792484314847 2018-01-01 18.7022424515248 2019-01-01 17.9082427834439