| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 |
2.9%
|
|
| 2 | 12 |
3.1%
|
|
| 3 | 111 |
29.1%
|
|
| 4 | 78 |
20.4%
|
|
| 5 | 163 |
42.7%
|
|
| 6 | 6 |
1.6%
|
|
| 7 | 1 |
0.3%
|
|
| Missing value | 2 |