| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 347 |
23.1%
|
| 2 | 2 | 178 |
11.9%
|
| 3 | 3 | 180 |
12%
|
| 4 | 4 | 232 |
15.4%
|
| 5 | 5 | 180 |
12%
|
| 6 | 6 | 127 |
8.5%
|
| Missing value | 258 |
17.2%
|