Year	%
1996	21.01
1999	17.19
2000	17.56
2001	12.24
2002	12.24
2003	12.19
2006	1.87
2007	10.22
2010	11.97
2011	11.81
2012	9.71
2013	9.71
2015	9.22
2016	8.71
2017	8.19
2018	7.98
2019	7.78
2020	7.99
2021	8.04