| Value | Category | Cases | |
|---|---|---|---|
| 1968 | 1 |
12.5%
|
|
| 2014 | 1 |
12.5%
|
|
| 2015 | 1 |
12.5%
|
|
| 2016 | 2 |
25%
|
|
| 2017 | 3 |
37.5%
|
|
| Sysmiss | 2630 |