| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 6940 |
81.4%
|
| 2 | Less than 10 days | 1508 |
17.7%
|
| 3 | 10-20 days | 56 |
0.7%
|
| 4 | 20-30 days | 16 |
0.2%
|
| 5 | Every day / almost every day | 5 |
0.1%
|
| 6 | Don’t know | 6 |
0.1%
|
| Sysmiss | 2668 |