Year	Percent
2000	88.8471
2001	88.73542
2002	88.62375
2003	88.51207
2004	88.40039
2005	88.28872
2006	88.17704
2007	88.06536
2008	87.95369
2009	87.84201
2010	87.73033
2011	87.61866
2012	87.50698
2013	87.3953
2014	87.28363
2015	87.17195
2016	87.06027
2017	86.9486
2018	86.83692
2019	86.83692
2020	86.83692
2021	86.83692
2022	86.83692