Year	%
2001	12.8
2002	12.8
2003	13.28
2004	13.94
2005	11.62
2006	11.54
2007	13.36
2008	12.42
2009	9.84
2010	11.69
2011	11.21
2012	9.66
2013	12.79
2014	9.9
2017	15.5
2018	14.39
2019	11.28
2020	11.65
2021	11.82