| Value | Category | Cases | |
|---|---|---|---|
| 1 | 30 |
20.3%
|
|
| 2 | 36 |
24.3%
|
|
| 3 | 25 |
16.9%
|
|
| 4 | 12 |
8.1%
|
|
| 5 | 7 |
4.7%
|
|
| 6 | 1 |
0.7%
|
|
| 8 | 1 |
0.7%
|
|
| Missing value | 36 |
24.3%
|