| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 109 |
30.3%
|
|
| 2013 | 49 |
13.6%
|
|
| 2014 | 6 |
1.7%
|
|
| 2015 | 3 |
0.8%
|
|
| 2016 | 3 |
0.8%
|
|
| 2017 | 6 |
1.7%
|
|
| Missing value | 184 |
51.1%
|