Year	%
1999	11.59
2000	16.94
2001	8.36
2002	27.31
2004	5.33
2005	6.13
2006	5.69
2007	6.53
2014	5.05
2015	5.46
2016	5.47
2017	6.67
2018	26.51
2019	6.16
2020	5.42