Year	Percent
2000	89.11328
2001	89.11328
2002	89.11328
2003	88.74674
2004	88.3802
2005	87.65291
2006	86.92863
2007	86.20735
2008	85.48908
2009	84.77381
2010	84.06155
2011	83.35229
2012	82.64603
2013	81.94279
2014	81.24254
2015	80.5453
2016	80.19529
2017	79.84528
2018	79.49526
2019	79.14525
2020	78.79524
2021	78.44523
2022	78.44523