Year	Percent
2000	77.74031
2001	77.89203
2002	78.04375
2003	78.19547
2004	78.34719
2005	79.78073
2006	81.21924
2007	82.6627
2008	84.11111
2009	85.56448
2010	87.0228
2011	88.48608
2012	89.95431
2013	91.4275
2014	92.90564
2015	94.38874
2016	95.87679
2017	97.3698
2018	98.47005
2019	98.65571
2020	98.84136
2021	98.84136
2022	98.84136