| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week or more often | 15 |
78.9%
|
| 2 | About once a fortnight | 4 |
21.1%
|
| 3 | About once a month | 0 |
0%
|
| 4 | Less often than once a month | 0 |
0%
|
| Sysmiss | 980 |