Year	Percent
2000	40.34811
2001	42.38225
2002	44.4164
2003	46.45054
2004	48.48468
2005	50.62912
2006	52.78244
2007	54.94465
2008	57.11574
2009	59.29571
2010	61.48456
2011	63.6823
2012	65.88892
2013	68.10442
2014	70.3288
2015	72.56207
2016	74.80421
2017	77.05524
2018	79.31516
2019	81.58395
2020	83.86163
2021	86.14819
2022	88.44363