| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 9362 |
72.1%
|
| 2 | Less than 10 days | 3284 |
25.3%
|
| 3 | 10-20 days | 230 |
1.8%
|
| 4 | 20-30 days | 65 |
0.5%
|
| 5 | Every day / almost every day | 19 |
0.1%
|
| 6 | Don’t know | 21 |
0.2%
|
| Sysmiss | 3479 |