| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 100 |
8.5%
|
| 2 | More than usual | 330 |
27.9%
|
| 3 | Same as usual | 435 |
36.8%
|
| 4 | Less than usual | 191 |
16.1%
|
| 5 | Much less than usual | 127 |
10.7%
|
| 9 | Missing | 0 |
0%
|