Year	Percent
2000	11.30188
2001	10.81121
2002	10.92378
2003	9.91499
2004	9.26192
2005	8.75766
2006	8.2114
2007	7.22907
2008	7.44049
2009	8.26818
2010	7.67808
2011	8.07295
2012	7.45245
2013	8.03466
2014	8.09984
2015	8.06119
2016	7.46824
2017	6.85389
2018	6.73224
2019	6.39384
2020	7.55489
2021	6.46148
2022	6.04399