Year	%
1996	14.21
1999	14.3
2000	9.54
2001	10.09
2002	10.99
2003	11.33
2004	10.02
2006	9.51
2007	8.68
2010	9.22
2011	8.79
2012	10.8
2013	10.56
2015	11.23
2016	11.4
2020	10.15
2021	10.75