| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 13130 |
74.2%
|
| 2 | Less than 10 days | 4221 |
23.8%
|
| 3 | 10-20 days | 266 |
1.5%
|
| 4 | 20-30 days | 63 |
0.4%
|
| 5 | Every day / almost every day | 12 |
0.1%
|
| 6 | Don’t know | 15 |
0.1%
|
| Sysmiss | 5288 |