Year	%
1995	27.12
1999	27.09
2000	27.09
2001	27.09
2003	33.06
2004	32.7
2005	32.66
2006	32.62
2007	32.37
2008	31.9
2009	31.82
2010	31.81
2011	31.87
2013	30.15
2014	29.97
2015	25
2021	25.28