| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 22 |
2%
|
| 2 | More than usual | 79 |
7.2%
|
| 3 | Same as usual | 505 |
46.3%
|
| 4 | Less than usual | 171 |
15.7%
|
| 5 | Much less than usual | 313 |
28.7%
|
| 9 | Missing | 0 |
0%
|