| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 30 |
5.4%
|
|
| 2011 | 161 |
28.8%
|
|
| 2012 | 188 |
33.6%
|
|
| 2013 | 93 |
16.6%
|
|
| 2014 | 66 |
11.8%
|
|
| 2015 | 22 |
3.9%
|
|
| Sysmiss | 11963 |