| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than usual | 32 |
16.7%
|
| 1 | No more than usual | 37 |
19.3%
|
| 2 | More than usual | 59 |
30.7%
|
| 3 | Much more than usual | 64 |
33.3%
|