| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 6079 |
67.1%
|
| 2 | Less than 10 days | 2746 |
30.3%
|
| 3 | 10-20 days | 147 |
1.6%
|
| 4 | 20-30 days | 55 |
0.6%
|
| 5 | Every day / almost every day | 13 |
0.1%
|
| 6 | Don’t know | 22 |
0.2%
|