| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 133 |
51.4%
|
| 2014 | 16 |
6.2%
|
|
| 2015 | 51 |
19.7%
|
|
| 2016 | 56 |
21.6%
|
|
| 4444 | Marked on card | 3 |
1.2%
|
| 9998 | DK | 0 |
0%
|