| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 7 |
6.9%
|
| 2 | Less than once a year | 18 |
17.6%
|
| 3 | Once a year to a few times a year | 50 |
49%
|
| 4 | Less than once a month | 15 |
14.7%
|
| 5 | At least once a month | 10 |
9.8%
|
| 6 | At least once a week | 2 |
2%
|
| Sysmiss | 12 |