| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 25 |
9.7%
|
| 2014 | 92 |
35.5%
|
|
| 2015 | 77 |
29.7%
|
|
| 2016 | 65 |
25.1%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 9998 | DK | 0 |
0%
|