| Value | Category | Cases | |
|---|---|---|---|
| 1 | better than usual | 2468 |
25.5%
|
| 2 | No difference (as usual) | 5117 |
52.9%
|
| 3 | Worse than usual | 1879 |
19.4%
|
| 4 | Much worse than usual | 211 |
2.2%
|