Year	Percent
2000	61.10392
2001	61.10392
2002	62.30532
2003	63.51429
2004	64.73083
2005	65.95494
2006	67.18663
2007	68.42588
2008	69.6727
2009	70.92709
2010	72.18906
2011	73.45859
2012	74.73569
2013	76.02037
2014	77.31261
2015	78.61242
2016	79.91981
2017	81.23476
2018	82.55729
2019	83.88738
2020	85.22505
2021	86.25254
2022	87.28004