Year	Percent
2000	4.97
2001	12.39
2002	17.25
2003	14.05
2004	15.64
2005	12.07
2006	10.31
2007	10.02
2008	11.78
2009	10.19
2010	13.8
2011	8.84
2012	8.88
2013	9.63
2014	9.57
2015	9.82
2016	10.65
2017	11.94
2018	8.7
2019	9.39
2020	8.54