| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 2 |
0%
|
|
| 2014 | 2 |
0%
|
|
| 2015 | 11 |
0.2%
|
|
| 2016 | 32 |
0.5%
|
|
| 2017 | 84 |
1.3%
|
|
| 2018 | 6421 |
98%
|
|
| Sysmiss | 778 |