Year	Percent
2000	8.2853
2001	8.64048
2002	8.9863
2003	9.32209
2004	9.64745
2005	9.96154
2006	10.26442
2007	10.55508
2008	10.83377
2009	11.02204
2010	11.20194
2011	11.37354
2012	11.53652
2013	11.63627
2014	11.73668
2015	11.83791
2016	11.93997