| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 560 |
68.6%
|
| 2 | Only once | 67 |
8.2%
|
| 3 | Monthly | 63 |
7.7%
|
| 4 | Fortnightly | 17 |
2.1%
|
| 5 | Weekly or more often | 57 |
7%
|
| 6 | Rarely | 52 |
6.4%
|
| Sysmiss | 2189 |