Year	%
1997	5.59796437659033
1998	5.59796437659033
1999	5.59796437659033
2000	4.81283422459893
2001	9.2
2002	9.2
2003	9.2
2004	8.83002207505519
2005	10.6
2006	8.67768595041322
2007	11.7400419287212
2008	11.6666666666667
2009	13.3192389006343
2010	13.3192389006343
2011	15.8
2012	15.8
2013	15.8
2014	6.09137055837564
2015	6.09137055837564
2016	6.09137055837564
2017	4.8
2018	5.28455284552846
2019	16.2
2020	15.7464212678937
2021	15.7464212678937
2022	15.7464212678937
2023	18.8376753507014