| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 516 |
63.2%
|
| 2 | Only once | 67 |
8.2%
|
| 3 | Monthly | 72 |
8.8%
|
| 4 | Fortnightly | 21 |
2.6%
|
| 5 | Weekly or more often | 96 |
11.8%
|
| 6 | Rarely | 44 |
5.4%
|
| Sysmiss | 2189 |