| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 881 |
43.7%
|
| 2 | Once a year | 78 |
3.9%
|
| 3 | Once a term | 419 |
20.8%
|
| 4 | Once a month | 216 |
10.7%
|
| 5 | Once a week | 260 |
12.9%
|
| 98 | Other | 164 |
8.1%
|
| Sysmiss | 1309 |