| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1442 |
94.2%
|
| 1 | Several days | 54 |
3.5%
|
| 2 | More than half the days | 26 |
1.7%
|
| 3 | Nearly every day | 8 |
0.5%
|