| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 131 |
15.9%
|
| 2 | More than once a week | 245 |
29.7%
|
| 3 | Once a week | 120 |
14.5%
|
| 4 | Less than once a week | 313 |
37.9%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 17 |
2.1%
|
| Sysmiss | 12085 |