Year	Percent
2010-01-01	1.5144
2011-01-01	1.5005
2012-01-01	1.4800
2013-01-01	1.4672
2014-01-01	1.4583
2015-01-01	1.4255
2016-01-01	1.4018
2017-01-01	1.3926
2018-01-01	1.3684
2019-01-01	1.3439
2020-01-01	1.3194
2021-01-01	1.2951
2022-01-01	1.2699
2023-01-01	1.2448