Year	Percent
2000	35.03067
2001	35.03067
2002	35.07657
2003	35.12247
2004	35.16837
2005	34.97712
2006	34.78525
2007	34.59276
2008	34.39966
2009	34.20593
2010	34.01159
2011	33.81663
2012	33.62105
2013	33.42486
2014	33.22804
2015	33.03061
2016	32.83256
2017	32.63389
2018	32.4346
2019	32.2347
2020	32.03417
2021	31.83303
2022	31.83303