| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 21 |
1.7%
|
| 2 | Once a month | 16 |
1.3%
|
| 3 | 2-3 times a month | 14 |
1.1%
|
| 4 | Once a week | 46 |
3.7%
|
| 5 | 2-6 times a week | 67 |
5.3%
|
| 6 | Once a day | 335 |
26.7%
|
| 7 | Twice or more a day | 758 |
60.3%
|
| Sysmiss | 15 |