| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1999 |
75.8%
|
| 2 | No more than usual | 491 |
18.6%
|
| 3 | Rather more than usual | 38 |
1.4%
|
| 4 | Much more than usual | 110 |
4.2%
|
| Sysmiss | 1 |