| Value | Category | Cases | |
|---|---|---|---|
| 1 | 39 |
5.1%
|
|
| 2 | 101 |
13.3%
|
|
| 3 | 180 |
23.6%
|
|
| 4 | 168 |
22%
|
|
| 5 | 172 |
22.6%
|
|
| 6 | 102 |
13.4%
|
|
| Missing value | 8 |