Year	%
1993	9.25
1998	17.09
1999	12
2000	13.83
2002	8.96
2003	9.39
2004	9.51
2005	9.39
2006	11.65
2007	11.7
2008	917.75
2009	11.3
2010	11.3
2011	11.29
2012	11.17
2013	14.25
2014	8.49
2015	11.93
2016	12.89
2018	12.2
2019	14.06
2020	12.49
2021	12.37