| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1029 |
14.8%
|
| 2 | Once a month | 224 |
3.2%
|
| 3 | 2-3 times a month | 198 |
2.8%
|
| 4 | Once a week | 540 |
7.8%
|
| 5 | 2-6 times a week | 814 |
11.7%
|
| 6 | Once a day | 2275 |
32.7%
|
| 7 | Twice or more a day | 1873 |
26.9%
|
| Sysmiss | 36 |