| Value | Category | Cases | |
|---|---|---|---|
| -97 | (Don't read) Refused to answer | 2 |
0.2%
|
| 1 | Not at all or less than one day | 221 |
23.9%
|
| 2 | Several days | 406 |
44%
|
| 3 | More than half a day to a day | 26 |
2.8%
|
| 4 | Nearly everyday | 268 |
29%
|