| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 66 |
5.6%
|
| 2 | More than usual | 251 |
21.2%
|
| 3 | Same as usual | 498 |
42.1%
|
| 4 | Less than usual | 304 |
25.7%
|
| 5 | Much less than usual | 64 |
5.4%
|
| 9 | Missing | 0 |
0%
|