Year	%
2001	16.41
2002	15.27
2003	15.97
2004	14.54
2005	12.7
2007	9.75
2008	8.89
2009	10.18
2010	9.65
2011	9.41
2012	10.44
2013	9.58
2014	9.67
2015	9.08
2017	10.3
2018	10.75
2019	10.22
2020	9.78
2021	8.92