| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 39 |
8.3%
|
| 2 | Monthly | 43 |
9.2%
|
| 3 | A few times a year | 133 |
28.4%
|
| 4 | Rarely | 152 |
32.4%
|
| 5 | Never | 82 |
17.5%
|
| Sysmiss | 20 |
4.3%
|