| Value | Category | Cases | |
|---|---|---|---|
| 1 | No never | 3009 |
31.1%
|
| 2 | Not more than usual | 3324 |
34.4%
|
| 3 | More than usual | 2604 |
26.9%
|
| 4 | Much more than usual | 738 |
7.6%
|