Year	%
1993	3.33
1996	7.44
1998	29.34
1999	22.52
2000	30.92
2001	14.95
2003	24.3
2004	23.6
2005	26.96
2006	13.61
2007	15.16
2008	12.01
2009	10.09
2010	8.64
2011	9.09
2012	8.64
2013	9.19
2014	8.91
2015	8.8
2016	8.95
2017	9.85
2019	8.57
2021	10.33
