| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 3 |
2.1%
|
|
| 2012 | 7 |
4.8%
|
|
| 2013 | 6 |
4.1%
|
|
| 2014 | 11 |
7.6%
|
|
| 2015 | 12 |
8.3%
|
|
| 2016 | 65 |
44.8%
|
|
| 2017 | 41 |
28.3%
|
|
| Sysmiss | 200 |