Year	%
1995	12.68
1996	11.41
1997	11.01
1998	10.8
1999	10.02
2000	10.44
2001	10.77
2002	7.14
2003	10.25
2004	7.11
2005	10.76
2006	5.56
2007	6.62
2008	4.9
2009	4.78
2010	8.64
2011	8.62
2012	4.87
2013	5.01
2014	4.54
2015	4.67
2017	4.88
2018	4.85
2019	4.79
2020	4.76
2021	4.81