Year	%
1989	44.68
1991	44.77
1993	46.7
1995	21.08
1999	46.44
2000	16.21
2001	15.15
2003	14.32
2004	10.4
2005	10.76
2006	10.75
2007	8.87
2008	8.86
2009	8.85
2010	8.85
2011	8.88
2013	8.87
2014	8.87
2015	8.41
2021	9.68