Year	%
1996	18.52
1999	16.3
2000	16.34
2001	12.22
2002	12.69
2003	12.78
2005	13.76
2006	12.04
2007	11.56
2010	5.92
2011	5.8
2012	7
2013	10.94
2014	11.4
2015	11.2
2016	12.08
2019	20.42
2020	13.17