| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 |
2.2%
|
|
| 2 | 12 |
5.4%
|
|
| 3 | 45 |
20.1%
|
|
| 4 | 38 |
17%
|
|
| 5 | 42 |
18.8%
|
|
| 6 | 18 |
8%
|
|
| 7 | 62 |
27.7%
|
|
| Missing value | 2 |
0.9%
|