| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than usual | 28 |
14.9%
|
| 1 | No more than usual | 27 |
14.4%
|
| 2 | More than usual | 68 |
36.2%
|
| 3 | Much more than usual | 65 |
34.6%
|