Year	Percent
1996	0
1997	0
1998	0
1999	3.57
2000	4
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2013	1.61
2014	1.43
2015	1.28
2016	1.19
2017	0
2018	0
2019	0.93
2020	1.6