Year Percent 2010-01-01 0.3620 2011-01-01 0.3691 2012-01-01 0.3769 2013-01-01 0.3794 2014-01-01 0.3732 2015-01-01 0.3694 2016-01-01 0.3628 2017-01-01 0.3550 2018-01-01 0.3532 2019-01-01 0.3511 2020-01-01 0.3494 2021-01-01 0.3473 2022-01-01 0.3452 2023-01-01 0.3429