Year	%
1993	30.19
1997	15.64
2000	23.65
2001	22.23
2002	22.04
2003	25.38
2005	16.55
2006	16.1
2007	17.16
2008	15.77
2009	15.41
2010	13.56
2011	13.19
2012	10.16
2014	8
2015	9.7
2016	11.78
2017	12.42
2019	12.3
2020	12.3
2021	14.81