| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 82 |
57.7%
|
|
| 2013 | 6 |
4.2%
|
|
| 2014 | 2 |
1.4%
|
|
| 2016 | 6 |
4.2%
|
|
| 2017 | 5 |
3.5%
|
|
| Missing value | 41 |
28.9%
|