Year	%
1996	20.16
1999	16.51
2000	16.55
2001	12.29
2002	11.32
2003	11.16
2006	3.53
2007	11.35
2010	11.75
2011	11.61
2012	11.88
2013	11.88
2015	11.71
2016	11.95
2017	12.03
2018	12.37
2019	12.37
2020	12.16
2021	11.56