| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 66 |
29.6%
|
| 2 | 1 | 16 |
7.2%
|
| 3 | 2 | 13 |
5.8%
|
| 4 | 3 | 37 |
16.6%
|
| 5 | 4 | 36 |
16.1%
|
| 6 | 5 | 6 |
2.7%
|
| 7 | 6 | 2 |
0.9%
|
| 8 | 7 | 45 |
20.2%
|
| Missing value | 2 |
0.9%
|