Year	%
1997	9.375
1998	9.375
1999	9.375
2001	18.75
2002	18.75
2003	18.75
2004	19.3548387096774
2005	12.9032258064516
2006	12.9032258064516
2007	16.1290322580645
2008	18.75
2009	14.2857142857143
2010	12.5
2011	12.5
2012	12.5
2013	12.5
2014	12.9032258064516
2015	21.875
2016	21.875
2017	25
2018	25
2019	25
2020	34.375
2021	34.375
2022	34.375
2023	37.5