| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 7 |
4.1%
|
| 2 | Monthly | 30 |
17.5%
|
| 3 | A few times a year | 69 |
40.4%
|
| 4 | Rarely | 44 |
25.7%
|
| 5 | Never | 21 |
12.3%
|
| -99 | 3 | ||
| Sysmiss | 30 |