Year	%
1999	9.85
2000	14.79
2001	6.1
2002	9.2
2004	5.43
2005	6.31
2006	5.43
2007	6.31
2014	5.9
2015	5.94
2016	5.97
2017	5.98
2018	6.03
2019	6
2020	6.11