| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2164 |
60.4%
|
| 1 | Once | 401 |
11.2%
|
| 2 | 2-4 times | 503 |
14%
|
| 3 | 5-9 times | 248 |
6.9%
|
| 4 | About once a month on average | 108 |
3%
|
| 5 | About twice a month on average | 53 |
1.5%
|
| 6 | About once a week on average | 60 |
1.7%
|
| 7 | More than once a week | 47 |
1.3%
|
| Sysmiss | 1733 |