Year	Percent
2000	21.5809
2001	4.8909
2002	8.8683
2003	8.3794
2004	5.7109
2005	9.5177
2006	6.9956
2007	9.9547
2008	7.8891
2009	5.7133
2010	2.8994
2011	5.3875
2012	4.9788
2013	3.512
2014	2.3408
2015	5.11
2016	2.9161
2017	4.2631