Year	%
1997	8.51063829787234
1998	8.51063829787234
2000	17.0212765957447
2001	17.0212765957447
2002	17.0212765957447
2003	17.0212765957447
2004	11.1111111111111
2005	11.1111111111111
2006	11.1111111111111
2007	11.1111111111111
2008	11.1111111111111
2009	7.93650793650794
2010	7.93650793650794
2011	7.93650793650794
2012	7.93650793650794
2013	7.93650793650794
2014	9.52380952380952
2015	9.52380952380952
2016	9.52380952380952
2017	9.52380952380952
2018	9.52380952380952
2019	10.7692307692308
2020	10.7692307692308
2021	10.7692307692308
2022	11.1111111111111
2023	11.1111111111111