Year	%
1993	13.6
2000	27.24
2001	8.66
2002	8.66
2003	8.66
2007	9.07
2008	8.88
2009	13.49
2010	14.61
2013	14.38
2016	14.03
2017	13.43
2018	14.65
2019	14.25
2020	12.51
2021	12.51