| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2275 |
86.3%
|
| 2 | No more than usual | 288 |
10.9%
|
| 3 | Rather more than usual | 15 |
0.6%
|
| 4 | Much more than usual | 59 |
2.2%
|
| Sysmiss | 2 |