| Value | Category | Cases | |
|---|---|---|---|
| -99 | 8 |
2.6%
|
|
| 1 | Weekly | 41 |
13.5%
|
| 2 | Monthly | 57 |
18.8%
|
| 3 | A few times a year | 66 |
21.8%
|
| 4 | Rarely | 87 |
28.7%
|
| 5 | Never | 44 |
14.5%
|
| Sysmiss | 72 |