| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 21 |
10.3%
|
| 2 | A few times in a week | 36 |
17.6%
|
| 3 | Once a week | 10 |
4.9%
|
| 4 | A few times in a month | 17 |
8.3%
|
| 5 | Once a month | 6 |
2.9%
|
| 6 | Never | 114 |
55.9%
|
| 555 | Other | 0 |
0%
|
| Sysmiss | 2192 |