| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1316 |
54.8%
|
| 1 | Yes, once or twice | 434 |
18.1%
|
| 2 | Yes, several times | 546 |
22.8%
|
| 3 | Yes, often | 100 |
4.2%
|
| 8 | Refused to answer | 0 |
0%
|
| 9 | Don't know | 4 |
0.2%
|