| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 750 |
56.6%
|
| 1 | Several days | 314 |
23.7%
|
| 2 | More than half the days | 110 |
8.3%
|
| 3 | Nearly every day | 151 |
11.4%
|
| 4 | Several days | 0 |
0%
|