Year	%
1996	18.48
1997	20.13
1998	20.13
1999	15.2
2000	12.38
2001	17.8
2002	18.95
2003	17.96
2006	5.64
2007	5.68
2010	10.71
2011	6.39
2012	6.41
2013	7.22
2015	15.62
2016	7.44
2017	7.29
2020	5.36