Year	Percent
2010-01-01	3.1371
2011-01-01	3.1338
2012-01-01	3.0966
2013-01-01	3.0859
2014-01-01	2.9972
2015-01-01	2.7977
2016-01-01	2.6189
2017-01-01	2.5505
2018-01-01	2.5107
2019-01-01	2.4778
2020-01-01	2.4421
2021-01-01	2.4073
2022-01-01	2.3741
2023-01-01	2.3412
