| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 514 |
63%
|
| 2 | Only once | 63 |
7.7%
|
| 3 | Monthly | 64 |
7.8%
|
| 4 | Fortnightly | 19 |
2.3%
|
| 5 | Weekly or more often | 97 |
11.9%
|
| 6 | Rarely | 59 |
7.2%
|
| Sysmiss | 2189 |