Year	Percent
2000	10.8099
2001	19.0399
2002	15.4037
2003	12.0204
2004	9.3552
2005	8.2784
2006	8.2777
2007	7.4138
2008	6.1246
2009	6.8185
2010	8.637
2011	8.083
2012	9.2579
2013	11.3549
2014	10.4254
2015	7.9585
2016	6.6125
2017	5.2777