Year Percent of GDP 2011-01-01 72.4168050102292 2012-01-01 9.3144399429840 2013-01-01 28.0366663604782 2014-01-01 33.9980490675523 2015-01-01 21.0241910774754 2016-01-01 57.9223055432394 2017-01-01 70.7670108520884 2018-01-01 76.3975464142883 2019-01-01 95.1044768727796