Year	%
1995	12.91
1996	9.94
1997	12.48
1998	11.53
1999	11.92
2000	11.08
2001	10.55
2002	9.78
2003	9.75
2004	7.14
2005	9.6
2006	9.71
2007	7.02
2008	6.11
2009	9.98
2010	10.14
2011	10.23
2012	10.28
2013	10.14
2015	5.98
2018	6.05
2020	5.9
2021	5.37
