| Value | Category | Cases | |
|---|---|---|---|
| -99 | 2 |
1.4%
|
|
| 1 | Weekly | 18 |
12.2%
|
| 2 | Monthly | 38 |
25.9%
|
| 3 | A few times a year | 43 |
29.3%
|
| 4 | Rarely | 18 |
12.2%
|
| 5 | Never | 8 |
5.4%
|
| Sysmiss | 20 |
13.6%
|