| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 20 |
3.3%
|
| 2 | Monthly | 46 |
7.6%
|
| 3 | A few times a year | 154 |
25.4%
|
| 4 | Rarely | 179 |
29.5%
|
| 5 | Never | 180 |
29.7%
|
| Sysmiss | 27 |
4.5%
|