| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1314 |
82.5%
|
| 2 | Several days | 250 |
15.7%
|
| 3 | More than half the days | 15 |
0.9%
|
| 4 | Nearly every day | 13 |
0.8%
|