| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2027 |
54.9%
|
| 2 | Several days | 988 |
26.7%
|
| 3 | More than half the days | 438 |
11.9%
|
| 4 | Nearly every day | 241 |
6.5%
|