| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
1%
|
|
| 1 | Weekly | 15 |
4.9%
|
| 2 | Monthly | 58 |
18.8%
|
| 3 | A few times a year | 113 |
36.6%
|
| 4 | Rarely | 71 |
23%
|
| 5 | Never | 20 |
6.5%
|
| Sysmiss | 29 |
9.4%
|