Year	%
1992	14.53
1995	10.02
1997	12.65
1998	15.19
1999	14
2000	13.5
2001	13.63
2002	14.08
2003	14.44
2004	11.64
2005	11.57
2006	7.37
2007	9.74
2008	10.75
2009	9.79
2010	8.86
2011	11.03
2012	11.24
2013	10.86
2014	8.84
2015	8.24
2016	8.34
2017	12.23
2018	7.82
2019	8.87
2020	11.28
2021	10.66