| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 6 |
2.8%
|
| 2 | Monthly | 66 |
31.1%
|
| 3 | A few times a year | 92 |
43.4%
|
| 4 | Rarely | 28 |
13.2%
|
| 5 | Never | 20 |
9.4%
|
| Sysmiss | 13 |