| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost everyday | 647 |
71.3%
|
| 2 | More than once a week | 148 |
16.3%
|
| 3 | About once a week | 67 |
7.4%
|
| 4 | Less than once a week but at least once a month | 28 |
3.1%
|
| 5 | Less than once a month | 18 |
2%
|
| Sysmiss | 8181 |