Year Percent of GDP 2015-01-01 14.2985 2016-01-01 13.5531 2017-01-01 13.8283 2018-01-01 13.5943 2019-01-01 13.4771 2020-01-01 13.4496 2021-01-01 13.3839 2022-01-01 13.1647 2023-01-01 13.4594