| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 585 |
48.8%
|
| 1 | Yes, once or twice | 234 |
19.5%
|
| 2 | Yes, several times | 340 |
28.3%
|
| 3 | Yes, often | 40 |
3.3%
|
| 8 | Refused to answer | 0 |
0%
|
| 9 | Don't know | 1 |
0.1%
|