| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 12 |
9.3%
|
| 2 | Monthly | 23 |
17.8%
|
| 3 | A few times a year | 63 |
48.8%
|
| 4 | Rarely | 24 |
18.6%
|
| 5 | Never | 7 |
5.4%
|
| -99 | 2 | ||
| Sysmiss | 28 |