Year	%
2000	21.89
2001	17.85
2002	17.72
2003	15.73
2004	15.69
2005	16.18
2006	14.67
2007	14.72
2008	14.37
2009	13.62
2010	13.86
2011	13.77
2012	13.5
2013	13.33
2014	13.02
2015	12.77
2016	12.77
2017	13.66
2020	15.29