Year	Percent
2000	23.46364
2001	24.73015
2002	25.50706
2003	26.23627
2004	26.91777
2005	27.55157
2006	28.13766
2007	28.67604
2008	29.16672
2009	29.6097
2010	30.00497
2011	30.35253
2012	30.65239
2013	30.90455
2014	31.10899
2015	32.06542
2016	32.06542
2017	32.06542
2018	32.06542
2019	32.06542