| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than usual | 84 |
45.7%
|
| 1 | No more than usual | 25 |
13.6%
|
| 2 | More than usual | 55 |
29.9%
|
| 3 | Much more than usual | 20 |
10.9%
|