Year	%
1993	66.96
1997	18.96
2000	28.18
2001	27.96
2002	27.77
2003	27.31
2005	23.74
2006	21.49
2007	20.29
2008	18.09
2009	15.04
2010	13.74
2011	10.75
2012	9.13
2014	9.1
2015	9.07
2016	9.07
2017	9.03
2019	9.03
2020	9.03
2021	12.47