| Value | Category | Cases | |
|---|---|---|---|
| 1 | 26 |
11.6%
|
|
| 2 | 70 |
31.3%
|
|
| 3 | 59 |
26.3%
|
|
| 4 | 34 |
15.2%
|
|
| 5 | 21 |
9.4%
|
|
| 6 | 9 |
4%
|
|
| 7 | 4 |
1.8%
|
|
| 8 | 1 |
0.4%
|
|
| Missing value | 15 |