Year	Percent
2000	25.04843
2001	29.13627
2002	33.22411
2003	37.31196
2004	41.3998
2005	45.48764
2006	49.57548
2007	53.66332
2008	57.75117
2009	61.83901
2010	65.92685
2011	70.01469
2012	74.10253
2013	78.19037
2014	82.27822
2015	86.36606
2016	90.4539
2017	90.4539
2018	90.4539
2019	90.4539
2020	90.4539