Year	%
1993	7.48
1999	12.27
2000	8.8
2001	6.43
2002	6.22
2003	6.09
2004	2.56
2005	2.66
2006	4.91
2007	2.45
2008	2.69
2009	5.86
2011	4.95
2012	1.89
2013	1.77
2014	1.78
2015	4.03
2016	3.84
2017	1.89
2021	3.23