| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 1 |
0.8%
|
|
| 2013 | 1 |
0.8%
|
|
| 2014 | 1 |
0.8%
|
|
| 2015 | 51 |
42.9%
|
|
| 2016 | 65 |
54.6%
|
|
| Sysmiss | 19439 |