| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 29 |
8.3%
|
| 2 | Monthly | 57 |
16.2%
|
| 3 | A few times a year | 136 |
38.7%
|
| 4 | Rarely | 67 |
19.1%
|
| 5 | Never | 44 |
12.5%
|
| Sysmiss | 18 |
5.1%
|