Year	%
2004	12
2005	12
2006	8.4
2007	8.4
2008	8.4
2009	8.4
2010	8.4
2012	8.94308943089431
2013	8.94308943089431
2014	10.6425702811245
2015	8.94308943089431
2016	8.94308943089431
2017	8.94308943089431
2018	8.94308943089431
2019	10
2020	12.8
2021	12.8
2022	12.8
2023	12.8