| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 23 |
4.2%
|
| 2 | Monthly | 58 |
10.5%
|
| 3 | A few times a year | 231 |
41.9%
|
| 4 | Rarely | 156 |
28.3%
|
| 5 | Never | 83 |
15.1%
|
| -99 | 2 | ||
| Sysmiss | 104 |