Year	Percent
1995	4.71
1996	5.41
1997	6.08
1998	6.8
1999	7.58
2001	7.18
2002	6.88
2003	7.46
2004	6.65
2005	6.84
2006	6.29
2007	6.35
2008	5.5
2009	6.52
2011	5.22
2012	5.47
2013	5.4
2014	5.09
2015	6.52
2016	8.94
2017	10.04
2018	9.66
2019	9.39
2020	11.28