| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.3%
|
|
| 1 | Never | 150 |
43%
|
| 2 | Less than once a year | 27 |
7.7%
|
| 3 | Once a year to a few times a year | 85 |
24.4%
|
| 4 | Less than once a month | 12 |
3.4%
|
| 5 | At least once a month | 29 |
8.3%
|
| 6 | At least once a week | 8 |
2.3%
|
| Sysmiss | 37 |
10.6%
|