Year	%
2000	14.06
2001	13.09
2004	12.48
2005	13.67
2006	13.93
2007	13.91
2008	13.15
2014	9.4
2015	9.59
2016	8.1
2017	8.27
2018	8.26
2019	8.69
2020	8.69
2021	8.74