Year	Percent
2000	75.03504
2001	76.50388
2002	77.97273
2003	79.44157
2004	80.91041
2005	82.37926
2006	83.8481
2007	85.31695
2008	86.78579
2009	88.25463
2010	89.72348
2011	91.19232
2012	92.66117
2013	94.13001
2014	95.59885
2015	97.0677
2016	98.53654
2017	100
2018	100
2019	100
2020	100
2021	100
2022	100