| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 790 |
22.5%
|
| 2 | Once a month | 24 |
0.7%
|
| 3 | 2-3 times a month | 5 |
0.1%
|
| 4 | Once a week | 5 |
0.1%
|
| 5 | 2-6 times a week | 21 |
0.6%
|
| 6 | Once a day | 591 |
16.8%
|
| 7 | Twice or more a day | 2072 |
59.1%
|
| Sysmiss | 8 |