| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 0 |
0%
|
| 1 | Several days | 9034 |
92.3%
|
| 2 | More than half the days | 392 |
4%
|
| 3 | Nearly every day | 121 |
1.2%
|
| 4 | 31 |
0.3%
|
|
| 5 | 212 |
2.2%
|
|
| Sysmiss | 10 |