Year	Percent
2000	23.7932
2001	23.20324
2002	22.61329
2003	22.02334
2004	21.43339
2005	20.84343
2006	20.16634
2007	19.49433
2008	18.82739
2009	18.16552
2010	17.50874
2011	16.85703
2012	16.21039
2013	15.56884
2014	14.93236
2015	14.30095
2016	13.67462
2017	13.05337
2018	12.4372
2019	11.8261
2020	11.22008
2021	11.22008
2022	11.22008