Year	%
1993	45.44
1997	17.31
2000	25.42
2001	24.8
2002	24.49
2003	24.88
2005	19.81
2006	18.21
2007	17.95
2008	16.2
2009	14.53
2010	13.01
2011	11.71
2012	9.88
2014	9.03
2015	9.77
2016	10.78
2017	10.51
2019	10.45
2020	10.45
2021	13.72