| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 28 |
32.2%
|
| 2 | Only once | 19 |
21.8%
|
| 3 | Monthly | 22 |
25.3%
|
| 4 | Fortnightly | 2 |
2.3%
|
| 5 | Weekly or more often | 9 |
10.3%
|
| 6 | Rarely | 7 |
8%
|
| Sysmiss | 2918 |