| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 |
26.3%
|
|
| 2 | 15 |
19.7%
|
|
| 3 | 15 |
19.7%
|
|
| 4 | 11 |
14.5%
|
|
| 5 | 6 |
7.9%
|
|
| 6 | 5 |
6.6%
|
|
| 7 | 2 |
2.6%
|
|
| 8 | 2 |
2.6%
|
|
| Missing value | 32 |