| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 114 |
4%
|
| 2 | Once a month | 21 |
0.7%
|
| 3 | 2-3 times/month | 28 |
1%
|
| 4 | Once a week | 54 |
1.9%
|
| 5 | 2-6 times/week | 84 |
3%
|
| 6 | Once a day | 1904 |
67%
|
| 7 | Twice or more a day | 635 |
22.4%
|
| Sysmiss | 2735 |