| Value | Category | Cases | |
|---|---|---|---|
| 1 | 18 |
26.1%
|
|
| 2 | 16 |
23.2%
|
|
| 3 | 17 |
24.6%
|
|
| 4 | 8 |
11.6%
|
|
| 5 | 7 |
10.1%
|
|
| 6 | 2 |
2.9%
|
|
| 7 | 1 |
1.4%
|
|
| Missing value | 16 |