| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 5 |
1.4%
|
| 2 | No more than usual | 73 |
21.2%
|
| 3 | Not at all | 234 |
67.8%
|
| 4 | Rather more than usual | 23 |
6.7%
|
| Missing value | 10 |
2.9%
|