| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 18 |
9.4%
|
| 2 | Monthly | 62 |
32.5%
|
| 3 | A few times a year | 73 |
38.2%
|
| 4 | Rarely | 31 |
16.2%
|
| 5 | Never | 7 |
3.7%
|
| Sysmiss | 12 |