| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
33.3%
|
|
| 2 | 30 |
47.6%
|
|
| 3 | 9 |
14.3%
|
|
| 4 | 1 |
1.6%
|
|
| 6 | 1 |
1.6%
|
|
| 7 | 1 |
1.6%
|
|
| Missing value | 17 |