| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 2 |
0.6%
|
| 2 | No more than usual | 50 |
14.5%
|
| 3 | Not at all | 240 |
69.6%
|
| 4 | Rather more than usual | 30 |
8.7%
|
| Missing value | 23 |
6.7%
|