| Value | Category | Cases | |
|---|---|---|---|
| 1 | 28 |
7.8%
|
|
| 2 | 42 |
11.7%
|
|
| 3 | 30 |
8.3%
|
|
| 4 | 17 |
4.7%
|
|
| 5 | 10 |
2.8%
|
|
| 6 | 2 |
0.6%
|
|
| 7 | 173 |
48.1%
|
|
| Missing value | 58 |
16.1%
|