Year	Percent
2000	81.73472
2001	81.93111
2002	82.12749
2003	82.32388
2004	82.86232
2005	83.4024
2006	83.9441
2007	84.48743
2008	85.03238
2009	85.57897
2010	86.12718
2011	86.67702
2012	87.22849
2013	87.78159
2014	88.33631
2015	88.89267
2016	89.45065
2017	90.01026
2018	90.56894
2019	90.95534
2020	90.95534
2021	90.95534
2022	90.95534