| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more than usual | 37 |
4.2%
|
| 2 | More than usual | 81 |
9.1%
|
| 3 | Same as usual | 306 |
34.4%
|
| 4 | Less than usual | 194 |
21.8%
|
| 5 | Much less than usual | 269 |
30.3%
|
| 8 | Don't know | 0 |
0%
|
| 9 | Missing | 2 |
0.2%
|