Year	%
1993	8.95
1997	12.67
1998	14.64
2001	10.48
2002	12.87
2003	10.55
2005	10.64
2006	11.09
2007	10.53
2008	9.24
2009	10.92
2014	12.03
2015	11.85
2016	12.38
2017	11.24
2018	11.65
2019	11.7
2020	11.7
2021	11.7