Year	Percent
2002	7.38
2003	9.09
2004	9.47
2005	8.17
2006	8.39
2007	5.5
2008	4.03
2009	7.46
2010	8.2938
2011	7.5623
2012	6.7623
2013	5.7618
2014	4.5657
2015	4.4023
2016	5.688
2017	4.8015