| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1038 |
31.7%
|
| 2 | Less than once a year | 236 |
7.2%
|
| 3 | About once or twice a year | 295 |
9%
|
| 4 | Several times a year | 559 |
17.1%
|
| 5 | About once a month | 215 |
6.6%
|
| 6 | 2-3 times a month | 291 |
8.9%
|
| 7 | Nearly every week | 199 |
6.1%
|
| 8 | Every week | 313 |
9.6%
|
| 9 | Several times a week | 128 |
3.9%
|
| Sysmiss | 18 |