| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 30 |
29.4%
|
| 2 | Only once | 9 |
8.8%
|
| 3 | Monthly | 30 |
29.4%
|
| 4 | Fortnightly | 4 |
3.9%
|
| 5 | Weekly or more often | 27 |
26.5%
|
| 6 | Rarely | 2 |
2%
|
| Sysmiss | 2903 |