| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 10 |
2.2%
|
| 2 | Monthly | 25 |
5.5%
|
| 3 | A few times a year | 66 |
14.5%
|
| 4 | Rarely | 136 |
29.8%
|
| 5 | Never | 219 |
48%
|
| Sysmiss | 19 |