Year	%
2007	98.51
2008	98.52
2009	98.52
2010	98.52
2012	98.7
2013	98.7
2014	98.7
2015	98.7
2016	98.7
2017	98.7
2018	98.68
2019	98.68
2020	98.68
2021	98.68