| Value | Category | Cases | |
|---|---|---|---|
| 1 | No never | 3862 |
39.9%
|
| 2 | Not more than usual | 3728 |
38.5%
|
| 3 | More than usual | 1771 |
18.3%
|
| 4 | Much more than usual | 314 |
3.2%
|