Year Percent of GDP 2015-01-01 3.0510 2016-01-01 3.8004 2017-01-01 4.0114 2018-01-01 3.7642 2019-01-01 3.7104 2020-01-01 3.9954 2021-01-01 4.1371 2022-01-01 3.9926 2023-01-01 4.0067