| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 0 |
0%
|
| 2 | Once or more a week but not daily | 6 |
8.2%
|
| 3 | Once or more a month but not weekly | 29 |
39.7%
|
| 4 | Less than once a month | 38 |
52.1%
|
| Sysmiss | 8498 |