Year	%
2001	14.81
2002	12.73
2003	13.08
2005	12.95
2006	12.13
2007	10.99
2008	10.78
2009	8.8
2010	8.77
2011	10.75
2012	8.76
2014	7.45
2016	7.16
2018	8.96
2020	8.94
2021	8.84