| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1317 |
54.7%
|
| 2 | Several days | 755 |
31.4%
|
| 3 | More than half the days | 197 |
8.2%
|
| 4 | Nearly everyday | 139 |
5.8%
|