Year	%
1995	10.23
1997	7.39
1998	10.08
1999	8.24
2000	7.5
2001	7.92
2002	7.02
2003	6.98
2004	6.53
2005	5.45
2006	5.25
2007	5.24
2008	4.99
2009	5.52
2010	5.32
2011	5.23
2012	9.49
2013	4.98
2014	5.62
2015	5.63
2020	8.76
2021	8.22