Year	Percent
2000	97.81351
2001	97.84135
2002	97.86919
2003	97.89703
2004	97.92487
2005	97.67242
2006	97.36853
2007	97.06444
2008	96.76017
2009	96.45571
2010	96.15106
2011	95.84622
2012	95.54119
2013	95.23598
2014	95.26298
2015	95.28999
2016	95.317
2017	95.344
2018	95.37101
2019	95.39802
2020	95.39802
2021	95.39802
2022	95.39802