| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 13 |
0.9%
|
| 2 | Once a month | 13 |
0.9%
|
| 3 | 2-3 times a month | 2 |
0.1%
|
| 4 | Once a week | 18 |
1.3%
|
| 5 | 2-6 times a week | 41 |
3%
|
| 6 | Once a day | 371 |
26.9%
|
| 7 | Twice or more a day | 919 |
66.7%
|
| Sysmiss | 61 |