| Value | Category | Cases | |
|---|---|---|---|
| -97 | (Don't read) Refused to answer | 0 |
0%
|
| 1 | Not at all or less than one day | 89 |
15.5%
|
| 2 | Several days | 148 |
25.7%
|
| 3 | More than half a day to a day | 14 |
2.4%
|
| 4 | Nearly everyday | 325 |
56.4%
|