| Value | Category | Cases | |
|---|---|---|---|
| 1 | 25 |
7.1%
|
|
| 2 | 10 |
2.8%
|
|
| 3 | 294 |
83.8%
|
|
| 8 | 1 |
0.3%
|
|
| Missing value | 21 |
6%
|