| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 1 |
0.3%
|
| 2 | No more than usual | 56 |
16.2%
|
| 3 | Not at all | 259 |
75.1%
|
| 4 | Rather more than usual | 19 |
5.5%
|
| Missing value | 10 |
2.9%
|