| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 9 |
7.7%
|
| 2 | Monthly | 23 |
19.7%
|
| 3 | A few times a year | 36 |
30.8%
|
| 4 | Rarely | 38 |
32.5%
|
| 5 | Never | 11 |
9.4%
|
| Sysmiss | 26 |