| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1122 |
46.8%
|
| 1 | Yes, once or twice | 507 |
21.1%
|
| 2 | Yes, several times | 601 |
25%
|
| 3 | Yes, often | 170 |
7.1%
|
| 8 | Refused to answer | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|