| Value | Category | Cases | |
|---|---|---|---|
| -99 | 2 |
0.6%
|
|
| 1 | Never | 59 |
19.1%
|
| 2 | Less than once a year | 54 |
17.5%
|
| 3 | Once a year to a few times a year | 91 |
29.4%
|
| 4 | Less than once a month | 25 |
8.1%
|
| 5 | At least once a month | 31 |
10%
|
| 6 | At least once a week | 14 |
4.5%
|
| Sysmiss | 33 |
10.7%
|