| Value | Category | Cases | |
|---|---|---|---|
| -8 | dk | 224 |
38.6%
|
| 2009 | 30 |
5.2%
|
|
| 2010 | 41 |
7.1%
|
|
| 2011 | 48 |
8.3%
|
|
| 2012 | 78 |
13.4%
|
|
| 2013 | 87 |
15%
|
|
| 2014 | 72 |
12.4%
|