Year	Percent
2011	0.037
2012	0.017
2013	0.021
2014	0.021
2015	0.021
2016	0.017
2017	0.015
2018	0.014
2019	0.015
2020	0.015
2021	0.016
2022	0.016
2023	0.017
2024	0.017