| Value | Category | Cases | |
|---|---|---|---|
| -3 | Missing | 0 |
0%
|
| -2 | Do not know | 1 |
0.1%
|
| -1 | Refused | 0 |
0%
|
| 1 | always | 13 |
1.3%
|
| 2 | just once or twice | 216 |
21.8%
|
| 3 | many times | 13 |
1.3%
|
| 4 | never | 635 |
63.9%
|
| 5 | several times | 115 |
11.6%
|
| 99 | Other | 0 |
0%
|
| Sysmiss | 6 |