| Value | Category | Cases | |
|---|---|---|---|
| 1 | not at all | 2146 |
78.4%
|
| 2 | Several days | 435 |
15.9%
|
| 3 | More than half the days | 93 |
3.4%
|
| 4 | Nearly every day | 62 |
2.3%
|