| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 54 |
4.6%
|
| 2 | More than usual | 314 |
26.5%
|
| 3 | Same as usual | 515 |
43.5%
|
| 4 | Less than usual | 218 |
18.4%
|
| 5 | Much less than usual | 82 |
6.9%
|
| 9 | Missing | 0 |
0%
|